?? durabletopicrecvclient.java
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package org.jboss.book.jms.ex1;import javax.jms.JMSException;import javax.jms.Message;import javax.jms.MessageListener;import javax.jms.Topic;import javax.jms.TopicConnection;import javax.jms.TopicConnectionFactory;import javax.jms.TopicPublisher;import javax.jms.TopicSubscriber;import javax.jms.TopicSession;import javax.jms.TextMessage;import javax.naming.InitialContext;import javax.naming.NamingException;/** * A JMS client example program that synchronously receives a message a Topic * * @author Scott.Stark@jboss.org * @version $Revision: 1.1 $ */public class DurableTopicRecvClient{ TopicConnection conn = null; TopicSession session = null; Topic topic = null; public void setupPubSub() throws JMSException, NamingException { InitialContext iniCtx = new InitialContext(); Object tmp = iniCtx.lookup("ConnectionFactory"); TopicConnectionFactory tcf = (TopicConnectionFactory) tmp; conn = tcf.createTopicConnection("john", "needle"); topic = (Topic) iniCtx.lookup("topic/testTopic"); session = conn.createTopicSession(false, TopicSession.AUTO_ACKNOWLEDGE); conn.start(); } public void recvSync() throws JMSException, NamingException { System.out.println("Begin recvSync"); // Setup the pub/sub connection, session setupPubSub(); // Wait upto 5 seconds for the message TopicSubscriber recv = session.createDurableSubscriber(topic, "jms-ex1dtps"); Message msg = recv.receive(5000); if (msg == null) { System.out.println("Timed out waiting for msg"); } else { System.out.println("DurableTopicRecvClient.recv, msgt=" + msg); } } public void stop() throws JMSException { conn.stop(); session.close(); conn.close(); } public static void main(String args[]) throws Exception { System.out.println("Begin DurableTopicRecvClient, now=" + System.currentTimeMillis()); DurableTopicRecvClient client = new DurableTopicRecvClient(); client.recvSync(); client.stop(); System.out.println("End DurableTopicRecvClient"); System.exit(0); }}
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