org.semanticweb.elk.reasoner.indexing.classes.ModifiableIndexedEquivalentClassesAxiomImpl Maven / Gradle / Ivy
package org.semanticweb.elk.reasoner.indexing.classes;
/*
* #%L
* ELK Reasoner
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2011 - 2015 Department of Computer Science, University of Oxford
* %%
* 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.
* #L%
*/
import org.semanticweb.elk.owl.interfaces.ElkAxiom;
import org.semanticweb.elk.reasoner.indexing.model.ModifiableIndexedAxiom;
import org.semanticweb.elk.reasoner.indexing.model.ModifiableIndexedClassExpression;
import org.semanticweb.elk.reasoner.indexing.model.ModifiableIndexedEquivalentClassesAxiom;
import org.semanticweb.elk.reasoner.indexing.model.ModifiableOntologyIndex;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.EquivalentClassFirstFromSecondRule;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.EquivalentClassSecondFromFirstRule;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.IndexedClassDecompositionRule;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.IndexedClassFromDefinitionRule;
public class ModifiableIndexedEquivalentClassesAxiomImpl
extends
IndexedEquivalentClassesAxiomImpl
implements ModifiableIndexedEquivalentClassesAxiom {
protected ModifiableIndexedEquivalentClassesAxiomImpl(A originalAxiom,
ModifiableIndexedClassExpression firstMember,
ModifiableIndexedClassExpression secondMember) {
super(originalAxiom, firstMember, secondMember);
}
@Override
public boolean addOccurrence(ModifiableOntologyIndex index) {
ElkAxiom reason = getOriginalAxiom();
boolean success = IndexedClassDecompositionRule.addRuleFor(this, index,
reason);
if (success) {
success = IndexedClassFromDefinitionRule.addRuleFor(this, index,
reason);
if (success) {
return true;
}
// else revert
IndexedClassDecompositionRule.removeRuleFor(this, index, reason);
}
// else
success = EquivalentClassFirstFromSecondRule.addRuleFor(this, index,
reason);
if (success) {
success = EquivalentClassSecondFromFirstRule.addRuleFor(this, index,
reason);
if (success) {
return true;
}
// else revert
EquivalentClassFirstFromSecondRule.removeRuleFor(this, index,
reason);
}
// all failed
return false;
}
@Override
public boolean removeOccurrence(ModifiableOntologyIndex index) {
ElkAxiom reason = getOriginalAxiom();
boolean success = IndexedClassDecompositionRule.removeRuleFor(this,
index, reason);
if (success) {
success = IndexedClassFromDefinitionRule.removeRuleFor(this, index,
reason);
if (success) {
return true;
}
// else revert
IndexedClassDecompositionRule.addRuleFor(this, index, reason);
}
// else
success = EquivalentClassFirstFromSecondRule.removeRuleFor(this, index,
reason);
if (success) {
success = EquivalentClassSecondFromFirstRule.removeRuleFor(this,
index, reason);
if (success) {
return true;
}
// else revert
EquivalentClassFirstFromSecondRule.addRuleFor(this, index, reason);
}
// all failed
return false;
}
@Override
public O accept(ModifiableIndexedAxiom.Visitor visitor) {
return visitor.visit(this);
}
}