org.semanticweb.elk.matching.inferences.ForwardLinkCompositionMatch1 Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elk-proofs Show documentation
Show all versions of elk-proofs Show documentation
Utilities to present tracing results (encoded proofs) to the
user
package org.semanticweb.elk.matching.inferences;
import org.semanticweb.elk.matching.conclusions.BackwardLinkMatch1;
import org.semanticweb.elk.matching.conclusions.BackwardLinkMatch1Watch;
/*
* #%L
* ELK Proofs Package
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2011 - 2016 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.matching.conclusions.ConclusionMatchExpressionFactory;
import org.semanticweb.elk.matching.conclusions.ForwardLinkMatch1;
import org.semanticweb.elk.matching.root.IndexedContextRootMatch;
import org.semanticweb.elk.owl.interfaces.ElkObjectInverseOf;
import org.semanticweb.elk.owl.interfaces.ElkObjectProperty;
import org.semanticweb.elk.owl.interfaces.ElkObjectPropertyChain;
import org.semanticweb.elk.owl.interfaces.ElkObjectPropertyExpression;
import org.semanticweb.elk.owl.interfaces.ElkSubObjectPropertyExpression;
import org.semanticweb.elk.owl.visitors.ElkSubObjectPropertyExpressionVisitor;
import org.semanticweb.elk.reasoner.saturation.inferences.ForwardLinkComposition;
public class ForwardLinkCompositionMatch1
extends AbstractInferenceMatch
implements BackwardLinkMatch1Watch {
private final IndexedContextRootMatch destinationMatch_;
private final ElkSubObjectPropertyExpression fullCompositionMatch_;
private final int compositionStartPos_;
ForwardLinkCompositionMatch1(ForwardLinkComposition parent,
ForwardLinkMatch1 conclusionMatch) {
super(parent);
this.destinationMatch_ = conclusionMatch.getDestinationMatch();
this.fullCompositionMatch_ = conclusionMatch.getFullChainMatch();
this.compositionStartPos_ = conclusionMatch.getChainStartPos();
checkEquals(conclusionMatch, getConclusionMatch(DEBUG_FACTORY));
}
IndexedContextRootMatch getDestinationMatch() {
return destinationMatch_;
}
public ElkSubObjectPropertyExpression getFullCompositionMatch() {
return fullCompositionMatch_;
}
public int getCompositionStartPos() {
return compositionStartPos_;
}
ForwardLinkMatch1 getConclusionMatch(
ConclusionMatchExpressionFactory factory) {
return factory.getForwardLinkMatch1(getParent().getConclusion(factory),
getDestinationMatch(), getFullCompositionMatch(),
getCompositionStartPos());
}
ElkObjectPropertyExpression getFirstProperty() {
final int startPos = getCompositionStartPos();
// TODO: more rigorous matching checks
return getFullCompositionMatch().accept(
new ElkSubObjectPropertyExpressionVisitor() {
@Override
public ElkObjectPropertyExpression visit(
ElkObjectPropertyChain expression) {
return expression.getObjectPropertyExpressions()
.get(startPos);
}
@Override
public ElkObjectPropertyExpression visit(
ElkObjectInverseOf expression) {
return expression;
}
@Override
public ElkObjectPropertyExpression visit(
ElkObjectProperty expression) {
return expression;
}
});
}
public BackwardLinkMatch1 getFirstPremiseMatch(
ConclusionMatchExpressionFactory factory) {
return factory.getBackwardLinkMatch1(
getParent().getFirstPremise(factory), getDestinationMatch());
}
@Override
public O accept(InferenceMatch.Visitor visitor) {
return visitor.visit(this);
}
@Override
public O accept(BackwardLinkMatch1Watch.Visitor visitor) {
return visitor.visit(this);
}
/**
* The visitor pattern for instances
*
* @author Yevgeny Kazakov
*
* @param
* the type of the output
*/
public interface Visitor {
O visit(ForwardLinkCompositionMatch1 inferenceMatch1);
}
/**
* A factory for creating instances
*
* @author Yevgeny Kazakov
*
*/
public interface Factory {
ForwardLinkCompositionMatch1 getForwardLinkCompositionMatch1(
ForwardLinkComposition parent,
ForwardLinkMatch1 conclusionMatch);
}
}