1.下载ActiveMQ
去官方网站下载:http://activemq.apache.org/
2.运行ActiveMQ
解压缩apache-activemq-5.5.1-bin.zip,然后双击apache-activemq-5.5.1\bin\activemq.bat运行ActiveMQ程序。
启动ActiveMQ以后,登陆:http://localhost:8161/admin/,创建一个Queue,命名为FirstQueue。
3.创建Eclipse项目并运行
创建project:ActiveMQ-5.5,并导入apache-activemq-5.5.1\lib目录下需要用到的jar文件,项目结构如下图所示:
3.1.Sender.java
com.xuwei.activemq; javax.jms.Connection; javax.jms.ConnectionFactory; javax.jms.DeliveryMode; javax.jms.Destination; javax.jms.MessageProducer; javax.jms.Session; javax.jms.TextMessage; org.apache.activemq.ActiveMQConnection; org.apache.activemq.ActiveMQConnectionFactory; Sender { SEND_NUMBER = 5; main(String[] args) { ConnectionFactory connectionFactory; Connection connection = ; Session session; Destination destination; MessageProducer producer; connectionFactory = ActiveMQConnectionFactory( ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616"); { connection = connectionFactory.createConnection(); connection.start(); session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE); destination = session.createQueue("FirstQueue"); producer = session.createProducer(destination); producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT); sendMessage(session, producer); session.commit(); } (Exception e) { e.printStackTrace(); } { { ( != connection) connection.close(); } (Throwable ignore) { } } } sendMessage(Session session, MessageProducer producer) Exception { ( i = 1; i <= SEND_NUMBER; i++) { TextMessage message = session .createTextMessage("ActiveMq 发送的消息" + i); System.out.println("发送消息:" + "ActiveMq 发送的消息" + i); producer.send(message); } } }
3.2.Receiver.java
com.xuwei.activemq; javax.jms.Connection; javax.jms.ConnectionFactory; javax.jms.Destination; javax.jms.MessageConsumer; javax.jms.Session; javax.jms.TextMessage; org.apache.activemq.ActiveMQConnection; org.apache.activemq.ActiveMQConnectionFactory; Receiver { main(String[] args) { ConnectionFactory connectionFactory; Connection connection = ; Session session; Destination destination; MessageConsumer consumer; connectionFactory = ActiveMQConnectionFactory( ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616"); { connection = connectionFactory.createConnection(); connection.start(); session = connection.createSession(Boolean.FALSE, Session.AUTO_ACKNOWLEDGE); destination = session.createQueue("FirstQueue"); consumer = session.createConsumer(destination); () { TextMessage message = (TextMessage) consumer.receive(100000); ( != message) { System.out.println("收到消息" + message.getText()); } { ; } } } (Exception e) { e.printStackTrace(); } { { ( != connection) connection.close(); } (Throwable ignore) { } } } }
4.注意事项
最后接收者跟发送者在不同的机器上测试
项目所引用的jar最后在ActiveMQ下的lib中找,这样不会出现版本冲突。
5.测试过程
因为是在单机上测试,所以需要开启两个eclipse,每一个eclipse都有自身的workspace。我们在eclipse1中运行Receiver,在eclipse2中运行Sender。
刚开始eclipse1中运行Receiver以后console介面没有任何信息,在eclipse2中运行Sender以后,eclipse2中的console显示如下信息:
发送消息:ActiveMq 发送的消息1
发送消息:ActiveMq 发送的消息2
发送消息:ActiveMq 发送的消息3
发送消息:ActiveMq 发送的消息4
发送消息:ActiveMq 发送的消息5
而回到eclipse1中发现console界面出现如下信息:
收到消息ActiveMq 发送的消息1
收到消息ActiveMq 发送的消息2
收到消息ActiveMq 发送的消息3
收到消息ActiveMq 发送的消息4
收到消息ActiveMq 发送的消息5
PS:2012-2-27
今天发现测试并不需要开启两个eclipse,在一个eclipse下页可以启动多个程序,并且有多个console,在上面的Receiver.java中,设置一个较大的时间,比如receive(500000),如下代码所示:
TextMessage message = (TextMessage) consumer.receive(500000);
这个时候运行Receiver.java的话,会使得这个Receiver.java一直运行500秒,在eclipse中可以发现:
点击那个红色方块可以手动停止运行程序。
运行玩receiver以后我们在运行sender,在运行完sender以后,我们要切换到receiver的console,如下图所示: