org.semanticweb.elk.reasoner.saturation.conclusions.classes.AbstractSubClassInclusion Maven / Gradle / Ivy
/*
* #%L
* ELK Reasoner
*
* $Id$
* $HeadURL$
* %%
* Copyright (C) 2011 - 2012 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%
*/
package org.semanticweb.elk.reasoner.saturation.conclusions.classes;
import org.semanticweb.elk.reasoner.indexing.model.IndexedClassExpression;
import org.semanticweb.elk.reasoner.indexing.model.IndexedContextRoot;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.ClassConclusion;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusion;
import org.semanticweb.elk.reasoner.saturation.context.ContextPremises;
import org.semanticweb.elk.reasoner.saturation.rules.ClassInferenceProducer;
import org.semanticweb.elk.reasoner.saturation.rules.RuleVisitor;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.LinkedSubsumerRule;
import org.semanticweb.elk.reasoner.saturation.rules.subsumers.SubsumerDecompositionVisitor;
/**
* An implementation of {@link SubClassInclusion}
*
* @author Frantisek Simancik
* @author "Yevgeny Kazakov"
*
* @param
* the type of the super-expression of {@link IndexedClassExpression}
*/
public abstract class AbstractSubClassInclusion
extends AbstractClassConclusion implements SubClassInclusion {
/**
* the implied {@code IndexedClassExpression} represented by this
* {@link SubClassInclusion}
*/
private final S expression_;
protected AbstractSubClassInclusion(IndexedContextRoot subExpression,
S superExpression) {
super(subExpression);
if (superExpression == null)
throw new NullPointerException("Subsumer cannot be null!");
this.expression_ = superExpression;
}
@Override
public S getSubsumer() {
return expression_;
}
void applyCompositionRules(RuleVisitor ruleAppVisitor,
ContextPremises premises, ClassInferenceProducer producer) {
LinkedSubsumerRule compositionRule = expression_
.getCompositionRuleHead();
while (compositionRule != null) {
compositionRule.accept(ruleAppVisitor, expression_, premises,
producer);
compositionRule = compositionRule.next();
}
}
void applyDecompositionRules(RuleVisitor ruleAppVisitor,
ContextPremises premises, ClassInferenceProducer producer) {
expression_.accept(new SubsumerDecompositionVisitor(ruleAppVisitor,
premises, producer));
}
@Override
public O accept(ClassConclusion.Visitor visitor) {
return accept((SubClassInclusion.Visitor) visitor);
}
}