1.下載ActiveMQ
去官方網站下載:http://activemq.apache.org/
2.運行ActiveMQ
解壓縮apache-activemq-5.5.1-bin.zip,然後雙擊apache-activemq-5.5.1\bin\activemq.bat運行ActiveMQ程序。
啓動ActiveMQ以後,登陸:http://localhost:8161/admin/,創建一個Queue,命名爲FirstQueue。
3.創建Eclipse項目並運行
創建project:ActiveMQ-5.5,並導入apache-activemq-5.5.1\lib目錄下需要用到的jar文件,項目結構如下圖所示:
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 發送的消息" + i); System.out.println("發送消息:" + "ActiveMq 發送的消息" + 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.注意事項
最後接收者跟發送者在不同的機器上測試
項目所引用的jar最後在ActiveMQ下的lib中找,這樣不會出現版本衝突。
5.測試過程
因爲是在單機上測試,所以需要開啓兩個eclipse,每一個eclipse都有自身的workspace。我們在eclipse1中運行Receiver,在eclipse2中運行Sender。
剛開始eclipse1中運行Receiver以後console介面沒有任何信息,在eclipse2中運行Sender以後,eclipse2中的console顯示如下信息:
發送消息:ActiveMq 發送的消息1
發送消息:ActiveMq 發送的消息2
發送消息:ActiveMq 發送的消息3
發送消息:ActiveMq 發送的消息4
發送消息:ActiveMq 發送的消息5
而回到eclipse1中發現console界面出現如下信息:
收到消息ActiveMq 發送的消息1
收到消息ActiveMq 發送的消息2
收到消息ActiveMq 發送的消息3
收到消息ActiveMq 發送的消息4
收到消息ActiveMq 發送的消息5
PS:2012-2-27
今天發現測試並不需要開啓兩個eclipse,在一個eclipse下頁可以啓動多個程序,並且有多個console,在上面的Receiver.java中,設置一個較大的時間,比如receive(500000),如下代碼所示:
TextMessage message = (TextMessage) consumer.receive(500000);
這個時候運行Receiver.java的話,會使得這個Receiver.java一直運行500秒,在eclipse中可以發現:
點擊那個紅色方塊可以手動停止運行程序。
運行玩receiver以後我們在運行sender,在運行完sender以後,我們要切換到receiver的console,如下圖所示: