001 /* 002 Copyright (C) 2001-2002 Laurent Martelli 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, but 010 WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA */ 018 019 package org.objectweb.jac.aspects.gui; 020 021 import org.objectweb.jac.core.rtti.MethodItem; 022 023 /** 024 * This interface defines a callback method used to notify that the 025 * value returned by a method has changed. 026 */ 027 public interface MethodUpdate { 028 /** 029 * Upcalled when a returned value has changed. 030 * 031 * @param substance the object of which a field was updated 032 * @param method the changed method 033 * @param param extra infos (unused) 034 * 035 * @see ViewControlWrapper#registerMethod(Wrappee,MethodItem,MethodUpdate,Object) 036 */ 037 void methodUpdated(Object substance, MethodItem method, Object param); 038 }