/*
* 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 java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;
import org.semanticweb.owlapi.model.AxiomType;
import org.semanticweb.owlapi.model.OWLAnnotation;
import org.semanticweb.owlapi.model.OWLAnnotationProperty;
import org.semanticweb.owlapi.model.OWLAxiom;
import org.semanticweb.owlapi.model.OWLDataFactory;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.util.CollectionFactory;
import org.semanticweb.owlapi.util.NNF;
/**
* Author: Matthew Horridge<br>
* The University Of Manchester<br>
* Bio-Health Informatics Group<br>
* Date: 26-Oct-2006<br><br>
*/
public abstract class OWLAxiomImpl extends OWLObjectImpl implements OWLAxiom {
private OWLAxiom nnf;
private final Set<OWLAnnotation> annotations;
public OWLAxiomImpl(OWLDataFactory dataFactory, Collection<? extends OWLAnnotation> annotations) {
super(dataFactory);
if (!annotations.isEmpty()) {
this.annotations = CollectionFactory.getCopyOnRequestSet(new TreeSet<OWLAnnotation>(annotations));
}
else {
this.annotations = Collections.emptySet();
}
}
public boolean isAnnotated() {
return !annotations.isEmpty();
}
public Set<OWLAnnotation> getAnnotations() {
return annotations;
}
public Set<OWLAnnotation> getAnnotations(OWLAnnotationProperty annotationProperty) {
if (annotations.isEmpty()) {
return annotations;
}
else {
Set<OWLAnnotation> result = new HashSet<OWLAnnotation>();
for (OWLAnnotation anno : annotations) {
if (anno.getProperty().equals(annotationProperty)) {
result.add(anno);
}
}
return result;
}
}
/**
* Determines if another axiom is equal to this axiom not taking into consideration the annotations on the axiom
* @param axiom The axiom to test if equal
* @return <code>true</code> if <code>axiom</code> without annotations is equal to this axiom without annotations
* otherwise <code>false</code>.
*/
public boolean equalsIgnoreAnnotations(OWLAxiom axiom) {
return this.getAxiomWithoutAnnotations().equals(axiom.getAxiomWithoutAnnotations());
}
/**
* Determines if this axiom is one of the specified types
* @param axiomTypes The axiom types to check for
* @return <code>true</code> if this axiom is one of the specified types, otherwise <code>false</code>
* @since 3.0
*/
public boolean isOfType(AxiomType<?>... axiomTypes) {
for (AxiomType<?> type : axiomTypes) {
if (getAxiomType().equals(type)) {
return true;
}
}
return false;
}
/**
* Determines if this axiom is one of the specified types
* @param types The axiom types to check for
* @return <code>true</code> if this axioms is one of the specified types, otherwise <code>false</code>
* @since 3.0
*/
public boolean isOfType(Set<AxiomType<?>> types) {
return types.contains(getAxiomType());
}
/**
* A convenience method for implementation that returns a set containing the annotations on this axiom plus the
* annoations in the specified set.
* @param annos The annotations to add to the annotations on this axiom
* @return The annotations
*/
protected Set<OWLAnnotation> mergeAnnos(Set<OWLAnnotation> annos) {
Set<OWLAnnotation> merged = new HashSet<OWLAnnotation>(annos);
merged.addAll(getAnnotations());
return merged;
}
@Override
public boolean equals(Object obj) {
if (!super.equals(obj)) {
return false;
}
if (!(obj instanceof OWLAxiom)) {
return false;
}
OWLAxiom other = (OWLAxiom) obj;
return annotations.equals(other.getAnnotations());
}
public Set<OWLEntity> getReferencedEntities() {
return getSignature();
}
public OWLAxiom getNNF() {
if (nnf == null) {
NNF con = new NNF(getOWLDataFactory());
nnf = accept(con);
}
return nnf;
}
}