queuerequestor.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 76 行

/*
 * Copyright (c) 1998-2003 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package javax.jms;

/**
 * The main destination.
 */
public class QueueRequestor {
  private QueueSession _session;
  private Queue _queue;
  private QueueSender _sender;
  
  public QueueRequestor(QueueSession session, Queue queue)
    throws JMSException
  {
    _session = session;
    _queue = queue;
    _sender = _session.createSender(queue);
  }

  public Message request(Message message)
    throws JMSException
  {
    TemporaryQueue tempQueue = _session.createTemporaryQueue();

    try {
      message.setJMSReplyTo(tempQueue);

      _sender.send(message);

      QueueReceiver receiver = _session.createReceiver(tempQueue);

      try {
	return receiver.receive();
      } finally {
	receiver.close();
      }
    } finally {
      tempQueue.delete();
    }
  }

  public void close()
    throws JMSException
  {
    _sender.close();
    _session.close();
  }
}