/** 
 *  BlackHole Source File
 *
 *  GNU Copyright (C) 2008  Gaspar Sinai gaspar(at)adys.org 
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2,
 *  dated June 1991. See file COPYYING for details.
 *
 *  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.
 *
 *  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.
 */
package sinai.gaspar.blackhole;

/**
 * Envoked when something might have changed.
 * @author Gaspar Sinai
 * @version 2008-04-28
 */
public interface IChangeListener {
    public void changed ();
}