/* * USE - UML based specification environment * Copyright (C) 1999-2004 Mark Richters, University of Bremen * * 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 2 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, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *//* $ProjectHeader: use 2-3-0-release.1 Mon, 12 Sep 2005 20:18:33 +0200 green $ */package org.tzi.use.gui.main.sorting;import org.tzi.use.uml.mm.MClassInvariant;/** * * @author <a href="mailto:gutsche@tzi.de">Fabian Gutsche</a> * @version $ProjectVersion: 2-3-0-release.1 $ */public class UseFileOrderInvariantComparator implements SortingComparator {    private CompareUtil compareUtil;    /**     * Constructor of UseFileOrderInvariantComparator     */    public UseFileOrderInvariantComparator() {        this.compareUtil = new CompareUtilImpl();    }    /**     * Sets the compareUtil, which supplies the basic comparison operations, to the given one     * @param compareUtil the new compareUtil     */    public void setCompareUtil(final CompareUtil compareUtil) {        this.compareUtil = compareUtil;    }    /**     * Compares two invariants by the order the USE-File provides     * @param object1 first invariant (has to be of type MClassInvariant)     * @param object2 second invariant (has to be of type MClassInvariant)     * @return a negative integer, zero, or a positive integer as the     *         first argument is less than, equal to, or greater than the     *         second.     */    public int compare(final Object object1, final Object object2) {        final int positionOfClass1 = ((MClassInvariant) object1).getPositionInModel();        final int positionOfClass2 = ((MClassInvariant) object2).getPositionInModel();        return compareUtil.compareInt(positionOfClass1, positionOfClass2);    }}