alphabeticalinvariantbynamecomparator.java

UML设计测试工具

/*
 * 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:[e-mail]">Fabian Gutsche</a>
 * @version $ProjectVersion: 2-3-0-release.1 $
 */
public class AlphabeticalInvariantByNameComparator implements SortingComparator {
    private CompareUtil compareUtil;

    /**
     * Constructor of AlphabeticalInvariantByNameComparator
     */
    public AlphabeticalInvariantByNameComparator() {
        this.compareUtil = new CompareUtilImpl();
    }

    /**
     * Compares two invariants by their name
     * @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 String firstComparisonString = ((MClassInvariant) object1).getNameAndClassAsString();
        final String secondComparisonString = ((MClassInvariant) object2).getNameAndClassAsString();
        return compareUtil.compareString(firstComparisonString, secondComparisonString);
    }

    /**
     * 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;
    }

}