spring boot整合JMS(ActiveMQ实现)

一、安装ActiveMQ

具体的安装步骤,请参考我的另一篇博文:

http://blog.csdn.net/liuchuanhong1/article/details/52057711

二、新建spring boot工程,并加入JMS(ActiveMQ)依赖

三、工程结构

pom依赖如下:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.chhliu.springboot.jms</groupId>
	<artifactId>springboot-jms</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>springboot-jms</name>
	<description>Demo project for Spring Boot Jms</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.4.3.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.7</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-activemq</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>
四、修改application.properties配置文件

## URL of the ActiveMQ broker. Auto-generated by default. For instance `tcp://localhost:61616`
# failover:(tcp://localhost:61616,tcp://localhost:61617)
# tcp://localhost:61616
spring.activemq.broker-url=tcp://localhost:61616
spring.activemq.in-memory=true
spring.activemq.pool.enabled=false //如果此处设置为true,需要加如下的依赖包,否则会自动配置失败,报JmsMessagingTemplate注入失败

<dependency>
			<groupId>org.apache.activemq</groupId>
			<artifactId>activemq-pool</artifactId>
			<!-- <version>5.7.0</version> -->
		</dependency>



五、消息生产者

package com.chhliu.springboot.jms;

import javax.jms.Destination;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jms.core.JmsMessagingTemplate;
import org.springframework.stereotype.Service;

@Service("producer")
public class Producer {
	@Autowired // 也可以注入JmsTemplate,JmsMessagingTemplate对JmsTemplate进行了封装
	private JmsMessagingTemplate jmsTemplate;
	// 发送消息,destination是发送到的队列,message是待发送的消息
	public void sendMessage(Destination destination, final String message){
		jmsTemplate.convertAndSend(destination, message);
	}
}
六、消息消费者

package com.chhliu.springboot.jms;

import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Component;

@Component
public class Consumer {
        // 使用JmsListener配置消费者监听的队列,其中text是接收到的消息
	@JmsListener(destination = "mytest.queue")
	public void receiveQueue(String text) {
		System.out.println("Consumer收到的报文为:"+text);
	}
}
消费者2的代码同上,注意,消息消费者的类上必须加上@Component,或者是@Service,这样的话,消息消费者类就会被委派给Listener类,原理类似 于使用 SessionAwareMessageListener 以及 MessageListenerAdapter 来实现消息驱动 POJO

七、测试

package com.chhliu.springboot.jms;

import javax.jms.Destination;

import org.apache.activemq.command.ActiveMQQueue;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringbootJmsApplicationTests {
	
	@Autowired
	private Producer producer;
	
	@Test
	public void contextLoads() throws InterruptedException {
		Destination destination = new ActiveMQQueue("mytest.queue");
		
		for(int i=0; i<100; i++){
			producer.sendMessage(destination, "myname is chhliu!!!");
		}
	}

}
测试结果如下:

Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!

经过上面的几个步骤,spring boot和Jms就基本上整合完成了,是不是使用起来很方便了!

八、实现双向队列

1、下面首先来对Consumer2这个消费者来进行下改造,代码如下:

package com.chhliu.springboot.jms;

import org.springframework.jms.annotation.JmsListener;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.stereotype.Component;

@Component
public class Consumer2 {

	@JmsListener(destination = "mytest.queue")
	@SendTo("out.queue")
	public String receiveQueue(String text) {
		System.out.println("Consumer2收到的报文为:"+text);
		return "return message"+text;
	}
}
从上面的代码可以看出,我们在receiveQueue方法上面多加了一个注解@SendTo("out.queue"),该注解的意思是将return回的值,再发送的"out.queue"队列中,下面我们再来跑一下前面的测试,在监控页面中,我们发现,"out.queue"队列中已经有内容了,如下:

进入Browse界面观看:

最后看下收到的具体信息:

我们发现,该队列中的消息,就是我们返回的值!

九、对Producer进行改造

通过上面的示例,我们现在对Producer进行改造,使其既能生产报文,又能消费队列中的报文,代码如下:

package com.chhliu.springboot.jms;

import javax.jms.Destination;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.jms.core.JmsMessagingTemplate;
import org.springframework.stereotype.Service;

@Service("producer")
public class Producer {
	@Autowired
	private JmsMessagingTemplate jmsTemplate;
	
	public void sendMessage(Destination destination, final String message){
		jmsTemplate.convertAndSend(destination, message);
	}
	
	@JmsListener(destination="out.queue")
	public void consumerMessage(String text){
		System.out.println("从out.queue队列收到的回复报文为:"+text);
	}
}
测试结果如下:

从out.queue队列收到的回复报文为:return messagemyname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
从out.queue队列收到的回复报文为:return messagemyname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
从out.queue队列收到的回复报文为:return messagemyname is chhliu!!!
Consumer收到的报文为:myname is chhliu!!!
Consumer2收到的报文为:myname is chhliu!!!
从out.queue队列收到的回复报文为:return messagemyname is chhliu!!!


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