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}