MQ 发布/订阅者模式

 package com.chauvet.utils.mq.topic;

 import javax.jms.DeliveryMode;
 import javax.jms.JMSException;
 import javax.jms.MapMessage;
 import javax.jms.Session;
 import javax.jms.Topic;
 import javax.jms.TopicConnection;
 import javax.jms.TopicConnectionFactory;
 import javax.jms.TopicPublisher;
 import javax.jms.TopicSession;

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

 /***
 *
 * 第三种方式
 * Topic 主题发布 和 订阅消息
 * 该模式下 订阅者必须一直开启着才可以正常使用，否则发布的消息接收不到
 *
 * @author WXW
 *
 */
 public class TopicSender {

 public static final String MQ_TCP_URL = "tcp://localhost:61616";
 public static final String TOPIC_DESTINATION = "com.chauvet.mq.topic";

 public static void main(String[] args) {
 TopicConnection connection = null;
 TopicSession session = null;
 try {
 TopicConnectionFactory factory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, MQ_TCP_URL);
 connection = factory.createTopicConnection();
 connection.start();
 session = connection.createTopicSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
 Topic topic = session.createTopic(TOPIC_DESTINATION);
 TopicPublisher publisher = session.createPublisher(topic);
 publisher.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
 sendMessage(session, publisher);
 session.commit();

 } catch (Exception e) {
 e.printStackTrace();
 } finally {
 if (session != null) {
 try {
 session.close();
 } catch (JMSException e) {
 e.printStackTrace();
 }
 }
 if (connection != null) {
 try {
 connection.close();
 } catch (JMSException e) {
 e.printStackTrace();
 }
 }
 }

 }

 public static void sendMessage(TopicSession session, TopicPublisher publisher) throws Exception {
 System.out.println("------------发送消息开始-----------");
 MapMessage map = session.createMapMessage();
 map.setString("text", "【this is chauvet's TOPIC message】");
 map.setLong("time", System.currentTimeMillis());
 publisher.send(map);
 System.out.println("------------发送消息结束-----------");
 }
 }

 package com.chauvet.utils.mq.topic;

 import javax.jms.JMSException;
 import javax.jms.MapMessage;
 import javax.jms.Message;
 import javax.jms.MessageListener;
 import javax.jms.Session;
 import javax.jms.Topic;
 import javax.jms.TopicConnection;
 import javax.jms.TopicConnectionFactory;
 import javax.jms.TopicSession;
 import javax.jms.TopicSubscriber;

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

 /***
 *
 * 第三种方式
 * Topic主题发布和订阅消息
 * 该模式下 订阅者必须一直开启着才可以正常使用，否则发布的消息接收不到
 *
 * @author WXW
 *
 */
 public class TopicReceiver {

 public static final String MQ_TCP_URL = "tcp://localhost:61616";
 public static final String TOPIC_DESTINATION = "com.chauvet.mq.topic";

 public static void main(String[] args) {

 TopicConnection connection = null;
 TopicSession session = null;
 try {
 TopicConnectionFactory factory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, MQ_TCP_URL);
 connection = factory.createTopicConnection();
 connection.start();
 session = connection.createTopicSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
 Topic topic = session.createTopic(TOPIC_DESTINATION);
 TopicSubscriber subscriber = session.createSubscriber(topic);

 subscriber.setMessageListener(new MessageListener() {
 public void onMessage(Message msg) {
 if (msg != null) {
 MapMessage map = (MapMessage) msg;
 try {
 System.out.println(map.getLong("time") + "接收#" + map.getString("text"));
 } catch (JMSException e) {
 e.printStackTrace();
 }
 }
 }
 });
 Thread.sleep(1000 * 60);
 session.commit();
 } catch (Exception e) {
 e.printStackTrace();
 } finally {
 if (session != null) {
 try {
 session.close();
 } catch (JMSException e) {
 e.printStackTrace();
 }
 }
 if (connection != null) {
 try {
 connection.close();
 } catch (JMSException e) {
 e.printStackTrace();
 }
 }
 }

 }
 }