topicconnection.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) 2001 - ScalAgent Distributed Technologies
 * Copyright (C) 1996 - 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): Nicolas Tachker (ScalAgent)
 */
package com.scalagent.kjoram;

import com.scalagent.kjoram.excepts.JMSException;
import com.scalagent.kjoram.excepts.IllegalStateException;

public class TopicConnection extends Connection
{
  /**
   * Creates a <code>TopicConnection</code> instance.
   *
   * @param factoryParameters  The factory parameters.
   * @param connectionImpl  The actual connection to wrap.
   *
   * @exception JMSSecurityException  If the user identification is incorrect.
   * @exception IllegalStateException  If the server is not listening.
   */
  public TopicConnection(FactoryParameters factoryParameters,
                         ConnectionItf connectionImpl) throws JMSException
  {
    super(factoryParameters, connectionImpl);
  }


  /**
   * API method.
   * 
   * @exception IllegalStateException  If the connection is closed.
   * @exception InvalidSelectorException  If the selector syntax is wrong.
   * @exception InvalidDestinationException  If the target destination does
   *              not exist.
   * @exception JMSException  If the method fails for any other reason.
   */
  public ConnectionConsumer
         createConnectionConsumer(Topic topic, String selector,
                                  ServerSessionPool sessionPool,
                                  int maxMessages) throws JMSException
  {
    if (closed)
      throw new IllegalStateException("Forbidden call on a closed"
                                      + " connection.");

    return new ConnectionConsumer(this, (Topic) topic, selector,
                                  sessionPool, maxMessages);
  }

  /**
   * API method.
   * 
   * @exception IllegalStateException  If the connection is closed.
   * @exception InvalidSelectorException  If the selector syntax is wrong.
   * @exception InvalidDestinationException  If the target topic does
   *              not exist.
   * @exception JMSException  If the method fails for any other reason.
   */
  public ConnectionConsumer
         createDurableConnectionConsumer(Topic topic, String subName,
                                         String selector,
                                         ServerSessionPool sessPool,
                                         int maxMessages) throws JMSException
  {
    if (closed)
      throw new IllegalStateException("Forbidden call on a closed"
                                      + " connection.");

    return new ConnectionConsumer(this, (Topic) topic, subName, selector,
                                  sessPool, maxMessages);
  }

  /**
   * API method.
   * 
   * @exception IllegalStateException  If the connection is closed.
   * @exception JMSException  In case of an invalid acknowledge mode.
   */
  public TopicSession
         createTopicSession(boolean transacted, int acknowledgeMode)
         throws JMSException
  {
    if (closed)
      throw new IllegalStateException("Forbidden call on a closed"
                                      + " connection.");
    
    return new TopicSession(this, transacted, acknowledgeMode);
  }
}