/*
* JORAM: Java(TM) Open Reliable Asynchronous Messaging
* Copyright (C) 2001 - 2008 ScalAgent Distributed Technologies
* Copyright (C) 1996 - 2000 Dyade
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Initial developer(s): Frederic Maistre (INRIA)
* Contributor(s): ScalAgent Distributed Technologies
*/
package deadMQueue;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.JMSException;
import javax.naming.Context;
import javax.naming.InitialContext;
/**
* Producer/Consumer generating dead messages.
*/
public class DMQClient {
public static void main(String[] args) throws Exception {
Context ictx = new InitialContext();
Queue queue1 = (Queue) ictx.lookup("queue1");
Queue queue2 = (Queue) ictx.lookup("queue2");
// Queue queue3 = (Queue) ictx.lookup("queue3");
ConnectionFactory cf = (ConnectionFactory) ictx.lookup("cf");
ictx.close();
Connection cnx = cf.createConnection();
Session prodSession = cnx.createSession(false, Session.AUTO_ACKNOWLEDGE);
Session consSession = cnx.createSession(true, 0);
MessageProducer producer = prodSession.createProducer(null);
MessageConsumer consumer = consSession.createConsumer(queue1);
cnx.start();
// Producing messages with a very short time to live: 20 ms.
System.out.println("Sends Message1 with a very short time to live");
TextMessage msg = prodSession.createTextMessage("Message1");
producer.send(queue1, msg, DeliveryMode.NON_PERSISTENT, Message.DEFAULT_PRIORITY, 20);
// Waiting for the message to be expired.
System.out.println("Waits for the message to be expired");
Thread.sleep(100);
msg = (TextMessage) consumer.receiveNoWait();
System.out.println("receives: " + msg);
// Producing "undeliverable" messages
System.out.println("Send Message2");
msg = prodSession.createTextMessage("Message2");
producer.send(queue1, msg);
msg = (TextMessage) consumer.receive();
System.out.println("Receives: " + msg.getText() + " then deny it!");
consSession.rollback();
msg = (TextMessage) consumer.receive();
System.out.println("Receives: " + msg.getText() + " then deny it!");
consSession.rollback();
// Producing "forbidden" messages
System.out.println("Send Message3");
msg = prodSession.createTextMessage("Message3");
try {
producer.send(queue2, msg);
} catch (JMSException exc) {
System.out.println(exc.getMessage());
}
// // Producing a message to a deleted destination
// System.out.println("Send Message4");
// msg = prodSession.createTextMessage("Message4");
// try {
// producer.send(queue3, msg);
// } catch (JMSException exc) {
// System.out.println(exc.getMessage());
// }
cnx.close();
}
}