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.io.Serializable;
023    import java.net.URI;
024    import java.util.Map;
025    
026    import org.dllearner.utilities.Helper;
027    
028    /**
029     * @author Jens Lehmann
030     *
031     */
032    public class DatatypeProperty implements Comparable<DatatypeProperty>, Property, NamedKBElement, Serializable {
033    
034            /**
035             * 
036             */
037            private static final long serialVersionUID = 8452865438915671952L;
038            protected String name;
039            
040            public DatatypeProperty(String name) {
041                    this.name=name;
042            }       
043            
044            /* (non-Javadoc)
045             * @see org.dllearner.core.dl.KBElement#getLength()
046             */
047            public int getLength() {
048                    return 1;
049            }
050    
051            public String getName() {
052                    return name;
053            }
054    
055        public URI getURI() {
056            return URI.create(name);
057        }   
058            
059            @Override
060            public String toString() {
061                    return toString(null, null);
062            }
063            
064            public String toString(String baseURI, Map<String, String> prefixes) {
065                    return  Helper.getAbbreviatedString(name, baseURI, prefixes);
066            }
067            
068            public String toKBSyntaxString(String baseURI, Map<String, String> prefixes) {
069                    return "\"" + Helper.getAbbreviatedString(name, baseURI, prefixes) + "\"";
070            }
071    
072            public void accept(KBElementVisitor visitor) {
073                    visitor.visit(this);
074            }
075    
076            /* (non-Javadoc)
077             * @see java.lang.Comparable#compareTo(java.lang.Object)
078             */
079            public int compareTo(DatatypeProperty o) {
080                    return name.compareTo(o.name);
081            }       
082            
083            @Override
084            public boolean equals(Object nc) {
085                    // standard equals code - always return true for object identity and
086                    // false if classes differ
087                    if(nc == this) {
088                            return true;
089                    } else if(getClass() != nc.getClass()) {
090                            return false;
091                    }
092                    // compare on URIs
093                    return ((DatatypeProperty)nc).name.equals(name);
094            }
095            
096            @Override
097            public int hashCode() {
098                    return name.hashCode();
099            }
100    
101            /* (non-Javadoc)
102             * @see org.dllearner.core.owl.KBElement#toManchesterSyntaxString(java.lang.String, java.util.Map)
103             */
104            @Override
105            public String toManchesterSyntaxString(String baseURI, Map<String, String> prefixes) {
106                    return Helper.getAbbreviatedString(name, baseURI, prefixes);
107            }       
108    }