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.utilities.owl; 020 021import java.util.Comparator; 022 023import com.google.common.collect.ComparisonChain; 024import org.dllearner.learningproblems.EvaluatedDescriptionPosNeg; 025 026/** 027 * Comparator for evaluated descriptions, which orders them by 028 * accuracy as first criterion, length as second criterion, and 029 * syntactic structure as third criterion. 030 * 031 * @author Jens Lehmann 032 * 033 */ 034public class EvaluatedDescriptionPosNegComparator implements Comparator<EvaluatedDescriptionPosNeg> { 035 036 /* (non-Javadoc) 037 * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) 038 */ 039 @Override 040 public int compare(EvaluatedDescriptionPosNeg ed1, EvaluatedDescriptionPosNeg ed2) { 041 return ComparisonChain.start() 042 .compare(ed1.getAccuracy(), ed2.getAccuracy()) 043 .compare(ed1.getDescriptionLength(), ed2.getDescriptionLength()) 044 .compare(ed1.getDescription(), ed2.getDescription()) 045 .result(); 046 } 047 048}