source: trunk/gli/src/org/greenstone/gatherer/msm/MSMAdapter.java@ 4436

/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Author: John Thompson, Greenstone Digital Library, University of Waikato
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * This program 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.
 *
 * <BR><BR>
 *
 * This program 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 General Public License for more details.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */

 




/* GPL_HEADER */
package org.greenstone.gatherer.msm;
/**************************************************************************************
 * Title:        Gatherer
 * Description:  The Gatherer: a tool for gathering and enriching a digital collection.
 * Copyright:    Copyright (c) 2001
 * Company:      The University of Waikato
 * Written:      22/07/02
 * Revised:
 * @author John Thompson, 9826509
 * @version 2.3
 **************************************************************************************/
import org.greenstone.gatherer.msm.MSMEvent;
import org.greenstone.gatherer.msm.MSMListener;
/** The default adapter for a MSMListener doesn't actually do anything, thus users can override whatever methods they want. */
public class MSMAdapter 
    implements MSMListener {
    /** Method that is called whenever an element within a set is changed or modified.
     * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
      */
    public void elementChanged(MSMEvent event){}
    /** Called whenever the metadata value changes in some way, such as the addition of a new value.
      * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
      */
    public void metadataChanged(MSMEvent event){}
    /** Method that is called whenever the metadata set collection changes in some way, such as the addition of a new set or the merging of two sets.
      * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
      */
    public void setChanged(MSMEvent event){}
    /** Called whenever the value tree of an metadata element changes in some way, such as the addition of a new value.
      * @param event A <strong>MSMEvent</strong> containing details of the event that caused this message to be fired.
      */
    public void valueChanged(MSMEvent event){}
}