/* Copyright (C) 2008 Helmut Juskewycz 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 3 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package de.danielsenff.dropps.models; /** * * @author Helmut Juskewycz * @createdon 01. January 2007 * @lastmodified 01. January 2007 * @history */ public interface IProgressObserverable { public void addListener(IProgressListener listener); public void removeListener(IProgressListener listener); }