9.RabbitMQ Topic类型交换机

RabbitMQ消息服务中Topic类型交换机根据通配符路由消息,*代表一个单词，#代表代表0或多个单词。

 

生产者

消费者

 

代码

Producer.java

 

package com.test.topic2;

 

import com.rabbitmq.client.Channel;

import com.rabbitmq.client.Connection;

import com.rabbitmq.client.ConnectionFactory;

import com.rabbitmq.client.MessageProperties;

 

public class Producer {

public static void main(String[] args)

{

try

{

//1.

ConnectionFactory cf = new ConnectionFactory();

cf.setUsername("admin");

cf.setPassword("admin");

cf.setHost("192.168.169.142");

cf.setPort(5672);

//2.

Connection con = cf.newConnection();

//3.

Channel channel = con.createChannel();

//4.

String queue1 = "topic_queue1";

String queue2 = "topic_queue2";

String queue3 = "topic_queue3";

//5.

channel.queueDeclare(queue1, false, false, false, null);

channel.queueDeclare(queue2, false, false, false, null);

channel.queueDeclare(queue3, false, false, false, null);

//6.

String exg = "topic_exg";

channel.exchangeDeclare(exg, "topic", false);

//7.

channel.queueBind(queue1, exg, "*.test");//Binding key

channel.queueBind(queue2, exg, "#.test");//Binding key

channel.queueBind(queue3, exg, "my.user.test");//Binding
key

//8.

String message = "Hello Topic Message";

channel.basicPublish(exg, "user.test",
MessageProperties.TEXT_PLAIN, message.getBytes());

//9.

channel.close();

con.close();

}

catch(Exception e)

{

e.printStackTrace();

}

}

}

 

Customer.java

 

package com.test.topic2;

 

import java.io.IOException;

 

import com.rabbitmq.client.AMQP;

import com.rabbitmq.client.AMQP.BasicProperties;

import com.rabbitmq.client.Channel;

import com.rabbitmq.client.Connection;

import com.rabbitmq.client.ConnectionFactory;

import com.rabbitmq.client.Consumer;

import com.rabbitmq.client.Envelope;

import com.rabbitmq.client.ShutdownSignalException;

 

public class Customer implements
com.rabbitmq.client.Consumer{

public static void main(String[] args)

{

try

{

//1.

ConnectionFactory cf = new ConnectionFactory();

cf.setUsername("admin");

cf.setPassword("admin");

cf.setHost("192.168.169.142");

cf.setPort(5672);

//2.

Connection con = cf.newConnection();

//3.

Channel channel = con.createChannel();

//4.

String queue1 = "topic_queue1";

channel.queueDeclare(queue1, false, false, false, null);

com.test.topic2.Customer cust = new
com.test.topic2.Customer();

channel.basicConsume(queue1, true, cust);

 

Thread.sleep(5000);

channel.close();

con.close();

}

catch(Exception e)

{

e.printStackTrace();

}

}

 

@Override

public void handleConsumeOk(String consumerTag) {

// TODO Auto-generated method stub

}

 

@Override

public void handleCancelOk(String consumerTag) {

// TODO Auto-generated method stub

}

 

@Override

public void handleCancel(String consumerTag) throws
IOException {

// TODO Auto-generated method stub

}

 

@Override

public void handleDelivery(java.lang.String consumerTag,

     
      Envelope
envelope,

     
     
AMQP.BasicProperties properties,

     
      byte[]
body) throws IOException {

// TODO Auto-generated method stub

System.out.println("receive=" + new String(body));

}

 

@Override

public void handleShutdownSignal(String consumerTag,
ShutdownSignalException sig) {

// TODO Auto-generated method stub

}

 

@Override

public void handleRecoverOk(String consumerTag) {

// TODO Auto-generated method stub

}

}