RabbitMq06 事务--AMQPX协议

开启事务：
channel.txSelect();
提交事务：
channel.txCommit();
回滚事务：
channel.txRollback();

缺点：会影响消息处理性能。。。。

package com.xiaoxu.simple;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.IOException;
import java.util.concurrent.TimeoutException;


public class Producter {

    //定义一个消息队列
    static  final  String QUEUE_NAME = "tx";

    public static void main(String[] args) throws IOException, TimeoutException {
        Connection connection = null;
        Channel channel = null;
        try {
            //1、创建连接工厂
            ConnectionFactory connectionFactory = new ConnectionFactory();
            connectionFactory.setHost("39.101.204.74");//设置主机地址
            connectionFactory.setPort(5672);//端口号
            connectionFactory.setUsername("guest");
            connectionFactory.setPassword("guest");

            //2. 创建连接；（抽取一个获取连接的工具类）
            connection = connectionFactory.newConnection();
            // 3. 创建频道；
            channel = connection.createChannel();
            //开启事务
            channel.txSelect();
            //4. 声明队列；
            
            channel.queueDeclare(QUEUE_NAME,true,false,false,null);

            // 5. 创建消费者（接收消息并处理消息）；
            String msg = "我是一个消息。。。。。";

            // 6. 监听队列

            

            channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
            System.out.println(msg);
            int i = 1/0;
            channel.txCommit();
        } catch (TimeoutException | IOException e) {
            e.printStackTrace();
            channel.txRollback();
        }

        //7、关闭资源
        channel.close();
        connection.close();
    }
}