class FlexiHash{private $_replicas = 200;private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
FlexiHash{private $_replicas = 200;private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_replicas = 200;private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_replicas = 200;private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= 200;private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_hasher = null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= null;private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_targetCount = 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= 0;private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_positionToTarget = array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
array();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
();private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_targetToPositions = array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
array();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
();private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
private $_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$_positionToTargetSorted = false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= false;public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function __construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
__construct(FlexiHash_Hasher $hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$hasher=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
=null, $replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$replicas = null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= null){// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// hash方法$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_hasher = $hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$hasher?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
?$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$hasher: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
: new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
new FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
FlexiHash_Crc32Hasher();// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// 虚拟节点的个数if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
if (!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
(!empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
empty($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$replicas)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
)){$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_replicas = $replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$replicas;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
addTarget($target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
if (isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
(isset($this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
])) {throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
throw new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
new FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
FlexiHash_Exception("Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
"Target $target already exists.");}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
);}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
] = array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
array();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
();for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
for ($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$i = 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= 0; $i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$i < $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
< $this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_replicas; $i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$i++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
++) {// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// 根据规定的方法hash$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$position = $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= $this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_hasher->hash($target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
.$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$i);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
);// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// 虚拟节点对应的真实的节点$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_positionToTarget[$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$position] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
] = $target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// 真实节点包含的虚拟节点$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
][] = $position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$position;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_positionToTargetSorted = false;// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
// 真实节点个数$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetCount++;return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
return $this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
addTargets($targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$targets){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
foreach ($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$targets as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
as $target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->addTarget($target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
);}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
return $this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
removeTarget($target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
if (!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
(!isset($this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
])){throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
throw new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
new FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
FlexiHash_Exception("target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
"target $target does not existn");}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
);}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
foreach($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
] as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
as $position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$position){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
unset($this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_positionToTarget[$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$position]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
]);}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
unset($this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions[$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$target]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
]);$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetCount--;return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
return $this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
;}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
getAllTargets(){return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
return array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
array_keys($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->_targetToPositions);}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
lookup($resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$resource){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$targets = $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
= $this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$this->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
->lookupList($resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$resource, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
, 1);if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
if (empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
(empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
empty($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
($targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$targets)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
)){throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
throw new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
new FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
FlexiHash_Exception("no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
"no targets exist");}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
);}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
return $targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$targets[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
[0];}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
}public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
public function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
function lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
lookupList($resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$resource, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
, $requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
$requestedCount){if (!$requestedCount) {throw new FlexiHash_Exception(
){if (!$requestedCount) {throw new FlexiHash_Exception(
if (!$requestedCount) {throw new FlexiHash_Exception(
(!$requestedCount) {throw new FlexiHash_Exception(
$requestedCount) {throw new FlexiHash_Exception(
) {throw new FlexiHash_Exception(
throw new FlexiHash_Exception(
new FlexiHash_Exception(
FlexiHash_Exception(
