notificationinputstream.java

一个类似于openJMS分布在ObjectWeb之下的JMS消息中间件。

/*
 * Copyright (C) 2001 - 2004 ScalAgent Distributed Technologies
 * Copyright (C) 1996 - 2000 BULL
 * Copyright (C) 1996 - 2000 INRIA
 *
 * 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): Dyade
 * Contributor(s): ScalAgent Distributed Technologies
 */


package fr.dyade.aaa.agent;

import java.io.*;


/**
 * This interface must be implemented by all classes used in
 * filtering an input stream to a <code>DriverIn</code> object.
 *
 * @see	ProxyAgent
 * @see	DriverIn
 */
public interface NotificationInputStream {



  /**
   * Gets a <code>Notification</code> from the stream.
   *
   * @return	a notification, or <code>null</code> on end of stream.
   * @exception ClassNotFoundException
   *	when the notification class may not be found
   * @exception IOException
   *	thrown by the underlying stream operations
   */
  public Notification readNotification()
    throws ClassNotFoundException, IOException;

  /**
   * Closes the stream.
   */
  public void close() throws IOException;
}