001/**
002 * Copyright (C) 2007 - 2016, Jens Lehmann
003 *
004 * This file is part of DL-Learner.
005 *
006 * DL-Learner is free software; you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation; either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * DL-Learner is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018 */
019package org.dllearner.algorithms.pattern;
020
021import java.util.Comparator;
022
023import org.semanticweb.owlapi.model.OWLObject;
024import org.semanticweb.owlapi.util.OWLObjectTypeIndexProvider;
025
026public class OWLObjectComparator implements Comparator<OWLObject> {
027
028        private final OWLObjectTypeIndexProvider indexProvider = new OWLObjectTypeIndexProvider();
029
030        @Override
031        public int compare(OWLObject o1, OWLObject o2) {
032                int diff = indexProvider.getTypeIndex(o1) - indexProvider.getTypeIndex(o2);
033                if(diff == 0){
034                        return o1.compareTo(o2);
035                } else {
036                        return diff;
037                }
038        }
039}