/* Copyright (C) 2006 Christian Schneider * * This file is part of Nomad. * * Nomad 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. * * Nomad 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 Nomad; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* * Created on Sep 2, 2006 */ package net.sf.nmedit.jmisc.collections; import java.io.Serializable; public interface Mapping extends Serializable { public int getIndex(Object o); public static class IDMapping implements Mapping { /** * */ private static final long serialVersionUID = -2933401665316464339L; public int getIndex( Object o ) { return o == null ? -1 : ((Indexed)o).getIndex(); } } }