1 /*
2 wsmo4j - a WSMO API and Reference Implementation
3 Copyright (c) 2005 University of Innsbruck, Austria
4 2005 National University of Ireland, Galway
5 This library is free software; you can redistribute it and/or modify it under
6 the terms of the GNU Lesser General Public License as published by the Free
7 Software Foundation; either version 2.1 of the License, or (at your option)
8 any later version.
9 This library is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 details.
13 You should have received a copy of the GNU Lesser General Public License along
14 with this library; if not, write to the Free Software Foundation, Inc.,
15 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18 package org.deri.wsmo4j.logicalexpression;
19
20
21 import org.omwg.logicalexpression.*;
22 import org.omwg.logicalexpression.Visitor;
23 import org.omwg.logicalexpression.terms.*;
24
25
26 /**
27 * @author DERI Innsbruck, reto.krummenacher@deri.org
28 * @author DERI Innsbruck, thomas.haselwanter@deri.org
29 * @author DERI Innsbruck, holger.lausen@deri.org
30 */
31 public class AttributeValueMoleculeImpl
32 extends AttributeMoleculeImpl
33 implements
34 AttributeValueMolecule {
35
36 public AttributeValueMoleculeImpl(Term leftTerm, Term attributeName, Term rightTerm) {
37 super(leftTerm,attributeName,rightTerm);
38 }
39
40 public void accept(Visitor v) {
41 v.visitAttributeValueMolecule(this);
42 }
43
44 /**
45 * <p>
46 * The <code>equals</code> method implements an equivalence relation
47 * on non-null object references. Attribute Specifications are equal if their operator,
48 * their name and their arguments are equal.
49 * </p>
50 * <p>
51 * It is generally necessary to override the <code>hashCode</code> method whenever this method
52 * is overridden.
53 * </p>
54 * @param o the reference object with which to compare.
55 * @return <code>true</code> if this object is the same as the obj
56 * argument; <code>false</code> otherwise.
57 * @see java.lang.Object#equals(java.lang.Object)
58 * @see java.lang.Object#hashCode()
59 */
60 public boolean equals(Object o) {
61 if (o instanceof AttributeValueMolecule) {
62 AttributeValueMolecule as = (AttributeValueMolecule)o;
63 return (attributeName.equals(as.getAttribute())
64 && getLeftParameter().equals(as.getLeftParameter())
65 && getRightParameter().equals(as.getRightParameter()));
66 }
67 return false;
68 }
69 }