/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, The University of Manchester
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
*
* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
*
* Copyright 2011, University of Manchester
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package uk.ac.manchester.cs.owl.owlapi;
import org.semanticweb.owlapi.model.OWLDataFactory;
import org.semanticweb.owlapi.model.OWLObjectPropertyExpression;
import org.semanticweb.owlapi.model.OWLObjectVisitor;
import org.semanticweb.owlapi.model.OWLObjectVisitorEx;
import org.semanticweb.owlapi.model.SWRLIArgument;
import org.semanticweb.owlapi.model.SWRLObjectPropertyAtom;
import org.semanticweb.owlapi.model.SWRLObjectVisitor;
import org.semanticweb.owlapi.model.SWRLObjectVisitorEx;
/**
* Author: Matthew Horridge<br>
* The University Of Manchester<br>
* Bio-Health Informatics Group<br>
* Date: 15-Jan-2007<br><br>
*/
public class SWRLObjectPropertyAtomImpl extends SWRLBinaryAtomImpl<SWRLIArgument, SWRLIArgument> implements SWRLObjectPropertyAtom {
public SWRLObjectPropertyAtomImpl(OWLDataFactory dataFactory, OWLObjectPropertyExpression predicate, SWRLIArgument arg0, SWRLIArgument arg1) {
super(dataFactory, predicate, arg0, arg1);
}
@Override
public OWLObjectPropertyExpression getPredicate() {
return (OWLObjectPropertyExpression) super.getPredicate();
}
/**
* Gets a simplified form of this atom. This basically creates and returns a new atom where the predicate is not
* an inverse object property. If the atom is of the form P(x, y) then P(x, y) is returned. If the atom is of the
* form inverseOf(P)(x, y) then P(y, x) is returned.
* @return This atom in a simplified form
*/
public SWRLObjectPropertyAtom getSimplified() {
OWLObjectPropertyExpression prop = getPredicate().getSimplified();
if (prop.equals(getPredicate())) {
return this;
}
else if (prop.isAnonymous()) {
// Flip
return getOWLDataFactory().getSWRLObjectPropertyAtom(prop.getInverseProperty().getSimplified(), getSecondArgument(), getFirstArgument());
}
else {
// No need to flip
return getOWLDataFactory().getSWRLObjectPropertyAtom(prop, getFirstArgument(), getSecondArgument());
}
}
public void accept(OWLObjectVisitor visitor) {
visitor.visit(this);
}
public void accept(SWRLObjectVisitor visitor) {
visitor.visit(this);
}
public <O> O accept(SWRLObjectVisitorEx<O> visitor) {
return visitor.visit(this);
}
public <O> O accept(OWLObjectVisitorEx<O> visitor) {
return visitor.visit(this);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof SWRLObjectPropertyAtom)) {
return false;
}
SWRLObjectPropertyAtom other = (SWRLObjectPropertyAtom) obj;
return other.getPredicate().equals(getPredicate()) && other.getFirstArgument().equals(getFirstArgument()) && other.getSecondArgument().equals(getSecondArgument());
}
}