JMS持久订阅（DurableSubscribe）模式示例

为了缓和严格的时间相关性，JMS允许订阅者创建一个可持久化的订阅。这样，即使订阅者没有被激活（运行），它也能接收到发布者的消息。

发布者：

package com.zzj.durablesubscriber;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;

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

public class Producer {
private static final String DEST = "com.zzj.dest.03";

public static void main(String[] args) throws Exception {
ConnectionFactory factory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, ActiveMQConnection.DEFAULT_BROKER_URL);
Connection connection = factory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic(DEST);
MessageProducer producer = session.createProducer(topic);
Message message = session.createTextMessage("Hello world!");
producer.send(message);
System.out.println("发送成功！");
// 关闭资源
producer.close();
session.close();
connection.close();
}
}

创建一个DurableSubscriber的两个前提条件是：

connection.setClientID("ClientID");

session.createDurableSubscriber(topic,"SubscriberName");

订阅者：package com.zzj.durablesubscriber;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

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

/**
* 同步消费
* @author lenovo
*
*/
public class Customer {
private static final String DEST = "com.zzj.dest.03";

public static void main(String[] args) throws Exception {
ConnectionFactory factory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, ActiveMQConnection.DEFAULT_BROKER_URL);
Connection connection = factory.createConnection();
connection.setClientID("zzj.client01");
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic(DEST);
MessageConsumer consumer = session.createDurableSubscriber(topic, "zzj.subscriber01");
TextMessage message = (TextMessage) consumer.receive(); // 阻塞方法，直到接收到消息
System.out.println(message.getText());
// 关闭资源
consumer.close();
session.close();
connection.close();
}
}