栏目分类:
子分类:
返回
名师互学网用户登录
快速导航关闭
当前搜索
当前分类
子分类
实用工具
热门搜索
名师互学网 > IT > 面试经验 > 面试问答

kafka Avro消息反序列化器,可用于多个主题

面试问答 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

kafka Avro消息反序列化器,可用于多个主题

在配置中使用以下行:

props.put( KafkaAvroSerializerConfig.VALUE_SUBJECT_NAME_STRATEGY, TopicRecordNameStrategy.class.getName());props.put( ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, KafkaAvroDeserializer.class.getName() );

代替:

props.put( SpecificAvroWithSchemaDeserializer.AVRO_VALUE_RECORD_TYPE, mysql.researchdb.institutes.Value.class );props.put( ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, SpecificAvroWithSchemaDeserializer.class );

最终代码为:

package com.moglix.netsuite.kafka;import io.confluent.kafka.serializers.AbstractKafkaAvroSerDeConfig;import io.confluent.kafka.serializers.KafkaAvroDeserializer;import io.confluent.kafka.serializers.KafkaAvroDeserializerConfig;import io.confluent.kafka.serializers.KafkaAvroSerializerConfig;import io.confluent.kafka.serializers.subject.TopicRecordNameStrategy;import org.apache.kafka.clients.consumer.ConsumerConfig;import org.apache.kafka.common.serialization.StringDeserializer;import org.springframework.beans.factory.annotation.Value;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.kafka.annotation.EnableKafka;import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;import org.springframework.kafka.core.ConsumerFactory;import org.springframework.kafka.core.DefaultKafkaConsumerFactory;import org.springframework.kafka.listener.ContainerProperties;import java.util.HashMap;import java.util.Map;@EnableKafka@Configurationpublic class ReviewsConsumerConfig{@Value( "${kafka.bootstrap-servers}" )private String bootstrapServers;@Value( "${kafka.schema-registry-url}" )private String schemaRegistryUrl;@Value( "${kafka.reviews.start-offset}" )private String orderStartOffset;@Value( "${kafka.reviews.max-poll-records}" )private Integer maxPollRecords;@Beanpublic <T> ConcurrentKafkaListenerContainerFactory<String, T> kafkaListenerContainerFactory(){    ConcurrentKafkaListenerContainerFactory<String, T> factory =        new ConcurrentKafkaListenerContainerFactory<>();    factory.setConsumerFactory( consumerFactory1() );    factory.setBatchListener( true );    factory.getContainerProperties().setAckMode( ContainerProperties.AckMode.MANUAL );    factory.getContainerProperties().setSyncCommits( true );    return factory;}@Beanpublic <T> ConsumerFactory<String, T> consumerFactory1(){    return new DefaultKafkaConsumerFactory<>( consumerConfigs1() );}@Beanpublic Map<String, Object> consumerConfigs1(){    Map<String, Object> props = new HashMap<>();    props.put( ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers );    props.put( ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class );    props.put( ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, KafkaAvroDeserializer.class.getName() );    props.put( ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, orderStartOffset );    props.put( AbstractKafkaAvroSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, schemaRegistryUrl );    props.put( KafkaAvroDeserializerConfig.SPECIFIC_AVRO_READER_CONFIG, true );    props.put( KafkaAvroSerializerConfig.VALUE_SUBJECT_NAME_STRATEGY, TopicRecordNameStrategy.class.getName());// This is main line for my problem solution    //props.put( SpecificAvroWithSchemaDeserializer.AVRO_VALUE_RECORD_TYPE, mysql.researchdb.institutes.Value.class );    props.put( ConsumerConfig.MAX_POLL_RECORDS_CONFIG, maxPollRecords );    props.put( ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, false );    return props;}}


转载请注明:文章转载自 www.mshxw.com
本文地址:https://www.mshxw.com/it/383795.html
我们一直用心在做
关于我们 文章归档 网站地图 联系我们

版权所有 (c)2021-2022 MSHXW.COM

ICP备案号:晋ICP备2021003244-6号