activemq发送和接收对象

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1、网上的例子都是直接发送文本消息的, 我做了一个简单的变换,就是能够发送和接收对象。

首先,在这里确认一下版本,activemq版本是apache-activemq-5.4.1-bin.zip,activemq安装环境是win7,jdk是1.6版本。下载apache-activemq-5.4.1-bin.zip,到官网

http://activemq.apache.org/download.html,注意找对应的版本,然后下载解压到系统的任意一个目录。


如图,我这里是放在了我windows系统的e盘下面,然后双击activemq.bat文件,启动activemq,启动成功会出现下面这个界面:



请注意,如果activemq不能正常启动,出现这个问题的话:

java.io.EOFException: Chunk stream does not exist at page: 0

请参照这篇文章来解决

http://blog.csdn.net/technofantasy/article/details/6037295


2、将下载的activemq中的activemq-all-5.4.1.jar导入到工程中


3、发送类

package com.test.activemq;import java.io.Serializable;import javax.jms.Connection;  import javax.jms.ConnectionFactory;  import javax.jms.DeliveryMode;  import javax.jms.Destination;  import javax.jms.MessageProducer;  import javax.jms.Session;  import javax.jms.TextMessage;  import org.apache.activemq.ActiveMQConnection;  import org.apache.activemq.ActiveMQConnectionFactory;import org.apache.activemq.command.ActiveMQObjectMessage;public class SenderMain {private static final int SEND_NUMBER = 5;  public static void main(String[] args) {// TODO Auto-generated method stubConnectionFactory connectionFactory; // Connection :JMS 客户端到JMS // Provider 的连接          Connection connection = null; // Session: 一个发送或接收消息的线程          Session session; // Destination :消息的目的地;消息发送给谁.          Destination destination; // MessageProducer:消息发送者          MessageProducer producer; // TextMessage message;          // 构造ConnectionFactory实例对象,此处采用ActiveMq的实现jar          connectionFactory = new ActiveMQConnectionFactory(                  ActiveMQConnection.DEFAULT_USER,                  ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");                 try { // 构造从工厂得到连接对象              connection = connectionFactory.createConnection();              // 启动              connection.start();              // 获取操作连接              session = connection.createSession(Boolean.TRUE,                      Session.AUTO_ACKNOWLEDGE);              // 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置              destination = session.createQueue("FirstQueue");              // 得到消息生成者【发送者】              producer = session.createProducer(destination);              // 设置不持久化,此处学习,实际根据项目决定              producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);              // 构造消息,此处写死,项目就是参数,或者方法获取              sendMessage(session, producer);              session.commit();          } catch (Exception e) {              e.printStackTrace();          } finally {              try {                  if (null != connection)                      connection.close();              } catch (Throwable ignore) {              }          }  }/* * 利用activemq发送java对象 * */public static void sendMessage(Session session, MessageProducer producer)              throws Exception {  Student s=new Student();s.setName("蒋辉文是一个非常不错的好人!");ActiveMQObjectMessage msg = (ActiveMQObjectMessage) session.createObjectMessage();        msg.setObject((Serializable) s);        producer.send(msg);    }  }class Student implements Serializable{/** *  */private static final long serialVersionUID = 1L;private String name;public String getName() {return name;}public void setName(String name) {this.name = name;}}

4、接收类

package com.test.activemq;import javax.jms.Connection;  import javax.jms.ConnectionFactory;  import javax.jms.Destination;  import javax.jms.MessageConsumer;  import javax.jms.Session;  import javax.jms.TextMessage;  import org.apache.activemq.ActiveMQConnection;  import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.command.ActiveMQObjectMessage;public class ReceiveMain {public static void main(String[] args) {// TODO Auto-generated method stub// ConnectionFactory :连接工厂,JMS 用它创建连接          ConnectionFactory connectionFactory;          // Connection :JMS 客户端到JMS Provider 的连接          Connection connection = null;          // Session: 一个发送或接收消息的线程          Session session;          // Destination :消息的目的地;消息发送给谁.          Destination destination;          // 消费者,消息接收者          MessageConsumer consumer;          connectionFactory = new ActiveMQConnectionFactory(                  ActiveMQConnection.DEFAULT_USER,                  ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");          try {              // 构造从工厂得到连接对象              connection = connectionFactory.createConnection();              // 启动              connection.start();              // 获取操作连接              session = connection.createSession(Boolean.FALSE,                      Session.AUTO_ACKNOWLEDGE);              // 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置              destination = session.createQueue("FirstQueue");              consumer = session.createConsumer(destination);             /*         * 利用activemq接收java对象         * */            while (true) {                  // 设置接收者接收消息的时间,为了便于测试,这里谁定为100s              ActiveMQObjectMessage msg = (ActiveMQObjectMessage) session.createObjectMessage();            msg = (ActiveMQObjectMessage) consumer.receive(100000);              if(msg != null)            {            Student s=(Student) msg.getObject();                System.out.println("收到的消息对象:"+s.getName());            }                                       }          } catch (Exception e) {              e.printStackTrace();          } finally {              try {                  if (null != connection)                      connection.close();              } catch (Throwable ignore) {              }          }      }  }

5、先运行发送类,再运行接收类,会打印出下面的消息




说明运行正常,先给消息中间件发消息,然后从消息中间件接收消息。

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