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.prolog;
020
021/**
022 * 
023 * @author Sebastian Bader
024 *
025 */
026public class PrologConstant extends Constant {
027    private String name;
028    
029    public PrologConstant(String name) {
030        this.name = name;
031    }
032    
033    public String getName() {
034        return name;
035    }
036    
037    public void setName(String name) {
038        this.name = name;
039    }
040
041    @Override
042        public boolean isGround() {
043        return true;
044    }
045
046    @Override
047        public String toString() {
048        return "C["+name+"]";
049    }
050    @Override
051        public String toPLString() {
052        return name;
053    }
054
055    @Override
056        public Term getInstance(Variable variable, Term term) {
057        return new PrologConstant(name);
058    }
059    
060    @Override
061        public boolean equals(Object obj) {
062        return name.equals(obj);
063    }
064
065    @Override
066        public int hashCode() {
067        return name.hashCode();
068    }
069
070    @Override
071        public Object clone() {
072        return new PrologConstant(name);
073    }
074}