Package org.objectweb.joram.client.jms

Source Code of org.objectweb.joram.client.jms.TemporaryQueue

/*
* 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 org.objectweb.joram.client.jms;

import javax.jms.JMSException;
import javax.jms.JMSSecurityException;

import org.objectweb.joram.shared.client.TempDestDeleteRequest;
import org.objectweb.util.monolog.api.BasicLevel;

/**
* Implements the <code>javax.jms.TemporaryQueue</code> interface.
*/
public class TemporaryQueue extends Queue implements javax.jms.TemporaryQueue {
  /** define serialVersionUID for interoperability */
  private static final long serialVersionUID = 1L;

  /** The connection the queue belongs to, <code>null</code> if not known. */
  private Connection cnx;

  // Used by jndi2 SoapObjectHelper
  public TemporaryQueue() {}

  /**
   * Constructs a temporary queue.
   *
   * @param agentId  Identifier of the queue agent.
   * @param cnx  The connection the queue belongs to, <code>null</code> if
   *          not known.
   */
  public TemporaryQueue(String agentId, Connection cnx) {
    super(agentId, (byte) (QUEUE_TYPE | TEMPORARY));
    this.cnx = cnx;
  }

  /** Returns a String image of the queue. */
  public String toString() {
    return "TemporaryQueue" + agentId;
  }

  /**
   * API method.
   *
   * @exception IllegalStateException  If the connection is closed or broken.
   * @exception JMSException  If the request fails for any other reason.
   */
  public void delete() throws JMSException {
    if (cnx == null)
      throw new JMSSecurityException("Forbidden call as this TemporaryQueue does not belong to this connection.");

    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "--- " + this + ": deleting...");

    // Checking the connection's receivers:
    cnx.checkConsumers(agentId);

    // Sending the request to the server:
    cnx.syncRequest(new TempDestDeleteRequest(agentId));

    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, this + ": deleted.");
  }

  /**
   * Returns the connection this temporary queue belongs to,
   * <code>null</code> if not known.
   */
  public Connection getCnx() {
    return cnx;
  }
}
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