【Active入门-3】ActiveMQ学习-发布者与订阅者

package com.ll.activemq;
import java.util.Collection;
import java.util.Iterator;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.MapMessage;
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.createTopic("FirstTop");
			consumer = session.createConsumer(destination);
			// consumer2 = session.createConsumer(destination);
			System.out.println("订阅者1：消费者程序开始运行...");
			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(8000);
				// Object message = (Object) consumer.receive(28000);
				if (null != message) {
					System.out.println("订阅者1：收到消息-->" + message.getText());
				} else {
					System.out.println("订阅者1：运行结束...\n");
					break;
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (null != connection)
					connection.close();
			} catch (Throwable ignore) {
			}
		}
	}
}

package com.ll.activemq;
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.createTopic("FirstTop");
			// 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();
			System.out.println("发布者程序退出...");
		} 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 <= SEND_NUMBER; i++) {
			TextMessage message = session.createTextMessage("ActiveMq 发布的消息"
					+ i);
			// 发送消息到目的地方
			System.out.println("发布消息：" + "ActiveMq 发布的消息" + i);
			producer.send(message);
			session.commit();
			Thread.sleep(10000);
		}
	}
}