receiver.java

一个类似于openJMS分布在ObjectWeb之下的JMS消息中间件。

/*
 * JORAM: Java(TM) Open Reliable Asynchronous Messaging
 * Copyright (C) 2004 - France Telecom R&D
 *
 * 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): Nicolas Tachker (ScalAgent)
 * Contributor(s):
 */
package cluster.queue;

import javax.jms.*;
import javax.naming.*;

/**
 * Receives messages from the cluster queue.
 */
public class Receiver {
  static Context ictx = null; 

  public static void main(String[] args) throws Exception {

    int i = new Integer(args[0]).intValue();

    System.out.println();
    System.out.println("Receive to the cluster queue " + i);

    ictx = new InitialContext();
    Queue queue = (Queue) ictx.lookup("queue"+i);
    QueueConnectionFactory qcf = (QueueConnectionFactory) ictx.lookup("qcf"+i);
    ictx.close();

    QueueConnection qc = qcf.createQueueConnection();
    QueueSession qs = qc.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
    QueueReceiver qrec = qs.createReceiver(queue);

    qc.start();

    for (int j = 0; j < 10; j++) {
      Message msg = qrec.receive();
      if (msg instanceof TextMessage)
        System.out.println("Receiver" + i+" received: " + ((TextMessage) msg).getText()); 
    }

    qc.close();

    System.out.println();
    System.out.println("Consumer closed.");
  }
}