java 消息机制 ActiveMQ入门实例

package com.lm.activemq;

/**
 * @Header: Sender.java
 * 类描述：
 * @author: lm
 * @date 2013-7-17 上午10:52:42
 * @Email 
 * @company 欢
 * @addr 北京市朝阳区劲松
 */
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;

public class Sender {
	private static final int SEND_NUMBER = 5;

	public static void main(String[] args) {
		// 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; // 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) {
			}
		}
	}

	public static void sendMessage(Session session, MessageProducer producer)
			throws Exception {
		for (int i = 1; i 

package com.lm.activemq;

/**
 * @Header: Receiver.java
 * 类描述：
 * @author: lm
 * @date 2013-7-17 上午10:52:58
 * @Email 
 * @company 欢
 * @addr 北京市朝阳区劲松
 */
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;

public class Receiver {
	public static void main(String[] args) {
		// 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);
			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
				TextMessage message = (TextMessage) consumer.receive(100000);
				if (null != message) {
					System.out.println("收到消息" + message.getText());
				} else {
					break;
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (null != connection)
					connection.close();
			} catch (Throwable ignore) {
			}
		}
	}
}

TextMessage message = (TextMessage) consumer.receive(500000);