ActiveMQ_监听器(四)
一、本文章包含的内容
1、列举了ActiveMQ中监听器的使用
2、spring+activemq方式
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<!-- 消息监听容器(Queue),配置连接工厂,监听的队列是queue3,监听器是上面定义的监听器 --> <!--加载spring配置后,studentInfoHandler的onMessage方法自动运行并接收队列-->
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二、配置文件(spring-jms.xml)
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<? xml version = "1.0" encoding = "UTF-8" ?> xsi:schemaLocation=" <!-- 启用spring mvc 注解 --> < context:component-scan base-package = "org.soa.test.activemq" /> <!-- 配置JMS连接工厂 --> < bean id = "connectionFactory" class = "org.apache.activemq.ActiveMQConnectionFactory" > <!--解决接收消息抛出异常:javax.jms.JMSException: Failed to build body from content. Serializable class not available to broke--> < property name = "trustAllPackages" value = "true" /> <!-- 是否异步发送 --> < property name = "useAsyncSend" value = "true" /> </ bean > <!--============================监听模块==============--> < bean id = "queueDestination3" class = "org.apache.activemq.command.ActiveMQQueue" > <!-- 设置消息队列的名字 --> < constructor-arg > < value >queue3</ value > </ constructor-arg > </ bean > < bean id = "studentInfoHandler" class = "org.soa.test.activemq.listeners.StudentInfoHandler" /> <!-- 消息监听容器(Queue),配置连接工厂,监听的队列是queue3,监听器是上面定义的监听器 --> <!--加载spring配置后,studentInfoHandler的onMessage方法自动运行并接收队列--> < bean id = "jmsContainer" class = "org.springframework.jms.listener.DefaultMessageListenerContainer" > < property name = "connectionFactory" ref = "connectionFactory" /> < property name = "destination" ref = "queueDestination3" /> < property name = "messageListener" ref = "studentInfoHandler" /> </ bean > </ beans > |
三、监听代码
1、监听代码
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package org.soa.test.activemq.listeners; import org.soa.test.activemq.StudentInfo; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageListener; import javax.jms.TextMessage; /** * Created by JamesC on 16-9-22. */ public class StudentInfoHandler implements MessageListener { //加载spring配置后,studentInfoHandler的onMessage方法自动运行并接收队列 @Override public void onMessage(Message message) { TextMessage tm = (TextMessage) message; try { System.out.println( "ConsumerMessageListener收到了文本消息:\t" + tm.getText()); } catch (JMSException e) { e.printStackTrace(); } } } |
2、测试代码
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package org.soa.test.activemq.listeners; import org.junit.Test; import org.junit.runner.RunWith; import org.soa.test.activemq.queues.ProduceMsg; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import javax.jms.Destination; /** * Created by JamesC on 16-9-22. */ @RunWith (SpringJUnit4ClassRunner. class ) @ContextConfiguration ( "/spring-jms.xml" ) public class ListenerTest { @Autowired @Qualifier ( "queueDestination3" ) //配置文件中只配置了接收queueDestination3的消息 private Destination destination; @Autowired private ProduceMsg produceMsg; @Test public void sendMsg(){ produceMsg.sendMessage(destination, "----这里测试使用配置实现监听器测试消息接收" ); } } |