| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program 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 (at your option) any later version. |
| * |
| * 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.lang.observer; |
| |
| /** |
| * Implement if you want to register with an {@link Observable} |
| * |
| * @author Ian Dunlop |
| * @author Stian Soiland |
| * |
| * @param <Message> |
| */ |
| public interface Observer<Message> { |
| /** |
| * Called by the {@link Observable} to notify the implementing class of |
| * changes |
| * |
| * @param sender |
| * the class where the changes have happened |
| * @param message |
| * what has changed |
| * @throws Exception |
| */ |
| public void notify(Observable<Message> sender, Message message) |
| throws Exception; |
| } |