001    /**
002     * Copyright (C) 2007-2011, 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     */
019    
020    package org.dllearner.core.owl;
021    
022    import java.util.Map;
023    
024    
025    public class Negation extends Description {
026    
027            /*
028        @Override
029        protected void calculateSets(FlatABox abox, SortedSet<String> adcPosSet, SortedSet<String> adcNegSet) {
030            children.get(0).calculateSets(abox, posSet, negSet);
031            posSet = children.get(0).negSet;
032            negSet = children.get(0).posSet;
033        }
034        */
035    
036            /**
037             * 
038             */
039            private static final long serialVersionUID = -3007095278542800128L;
040    
041            public Negation(Description c) {
042                    addChild(c);
043            }
044            
045        public String toString(String baseURI, Map<String,String> prefixes) {
046            return "(NOT " +children.get(0).toString(baseURI, prefixes) + ")";
047        }
048        
049        public String toKBSyntaxString(String baseURI, Map<String,String> prefixes) {
050            //TODO brackets removed, but they maybe have to be here
051            return "NOT " +children.get(0).toKBSyntaxString(baseURI, prefixes) + "";
052        }
053    
054            public int getLength() {
055                    return 1 + children.get(0).getLength();
056            }
057    
058            @Override
059            public int getArity() {
060                    return 1;
061            }       
062        
063            /* (non-Javadoc)
064             * @see org.dllearner.core.owl.Description#accept(org.dllearner.core.owl.DescriptionVisitor)
065             */
066            @Override
067            public void accept(DescriptionVisitor visitor) {
068                    visitor.visit(this);
069            }       
070            
071            public void accept(KBElementVisitor visitor) {
072                    visitor.visit(this);
073            }
074    
075            /* (non-Javadoc)
076             * @see org.dllearner.core.owl.Description#toManchesterSyntaxString(java.lang.String, java.util.Map)
077             */
078            @Override
079            public String toManchesterSyntaxString(String baseURI, Map<String, String> prefixes) {
080            return "(not " +children.get(0).toManchesterSyntaxString(baseURI, prefixes) + ")";              
081            }       
082    }