package com.frinika.sequencer.model; /* * Created on Mar 5, 2006 * * Copyright (c) 2004-2006 Peter Johan Salomonsen (http://www.petersalomonsen.com) * * http://www.frinika.com * * This file is part of Frinika. * * Frinika 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. * * Frinika 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 Frinika; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /** * Objects which changes are to be recorded in the editHistoryContainer should implement this interface * * EditHistory container records adding and removal of objects - if you need to change a property on the * object you should remove it first, do your changes, and add it again. * * On removal the EditHistoryContainer will attempt to clone the object - and if restored later * it will use the restoreFromClone method to restore the cloned data on the original instance. * @author Peter Johan Salomonsen */ public interface EditHistoryRecordable { /** * If restoration from a clone is needed - this method should return a clone * otherwise throw the CloneNotSupportedException * @return * @throws CloneNotSupportedException */ public Object clone() throws CloneNotSupportedException; /** * On removal the EditHistoryContainer will attempt to clone the object - and if restored later * it will use the restoreFromClone method to restore the cloned data on the original instance. * @param object */ public abstract void restoreFromClone(EditHistoryRecordable object); }