ActiveMQ Topic发布订阅消息

package com.googlecode.garbagecan.jmsstudy.activemq.topic;

import org.apache.activemq.ActiveMQConnectionFactory;

import javax.jms.*;

public class TopicPublisher {
	public static void main(String[] args) throws JMSException {
		ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:61616");
		Connection connection = factory.createConnection();
		connection.start();
		
		Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		Topic topic = session.createTopic("myTopic.messages");

		MessageProducer producer = session.createProducer(topic);
		producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

		while(true) {
			TextMessage message = session.createTextMessage();
			message.setText("message_" + System.currentTimeMillis());
			producer.send(message);
			System.out.println("Sent message: " + message.getText());

			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}

//		session.close();
//		connection.stop();
//		connection.close();
	}
}

 

package com.googlecode.garbagecan.jmsstudy.activemq.topic;

import org.apache.activemq.ActiveMQConnectionFactory;

import javax.jms.*;

public class TopicSubscriber {
	public static void main(String[] args) throws JMSException {
		ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:61616");
		Connection connection = factory.createConnection();
		connection.start();
		
		Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
		Topic topic = session.createTopic("myTopic.messages");

		MessageConsumer consumer = session.createConsumer(topic);
		consumer.setMessageListener(new MessageListener() {
			public void onMessage(Message message) {
				TextMessage tm = (TextMessage) message;
				try {
					System.out.println("Received message: " + tm.getText());
				} catch (JMSException e) {
					e.printStackTrace();
				}
			}
		});
//		session.close();
//		connection.stop();
//		connection.close();
	}
}