ActiveMQ 实例

2009-06-24

ProducerTool.java用于发送消息：

 

import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;

public class ProducerTool {

    private String user = ActiveMQConnection.DEFAULT_USER;

    private String password = ActiveMQConnection.DEFAULT_PASSWORD;

    private String url = ActiveMQConnection.DEFAULT_BROKER_URL;

    private String subject = "TOOL.DEFAULT";

    private Destination destination = null;

    private Connection connection = null;

    private Session session = null;

    private MessageProducer producer = null;

    // 初始化
    private void initialize() throws JMSException, Exception {
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
                user, password, url);
        connection = connectionFactory.createConnection();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        destination = session.createQueue(subject);
        producer = session.createProducer(destination);
        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
    }

    // 发送消息
    public void produceMessage(String message) throws JMSException, Exception {
        initialize();
        TextMessage msg = session.createTextMessage(message);
        connection.start();
        System.out.println("Producer:->Sending message: " + message);
        producer.send(msg);
        System.out.println("Producer:->Message sent complete!");
    }

    // 关闭连接
    public void close() throws JMSException {
        System.out.println("Producer:->Closing connection");
        if (producer != null)
            producer.close();
        if (session != null)
            session.close();
        if (connection != null)
            connection.close();
    }
}

 

ConsumerTool.java用于接受消息，我用的是基于消息监听的机制，需要实现MessageListener接口，这个接口有个onMessage方法，当接受到消息的时候会自动调用这个函数对消息进行处理。

 

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.MessageListener;
import javax.jms.Message;
import javax.jms.TextMessage;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;

public class ConsumerTool implements MessageListener {

    private String user = ActiveMQConnection.DEFAULT_USER;

    private String password = ActiveMQConnection.DEFAULT_PASSWORD;

    private String url = ActiveMQConnection.DEFAULT_BROKER_URL;
padding-top: 0px !important; padding-right: 3px !important; paddin

  


  
    
    分享到：
      
      
    
  

  
    
      ActiveMQ学习笔记----ActiveMQ和JBossMQ性 ...
      |
      轻松掌握MySQL数据库锁机制的相关原理
    
  
  
    
      2011-03-29 23:21
      浏览 996
      评论(0)
      
      
      分类:企业架构      
      查看更多