org.semanticweb.elk.reasoner.saturation.inferences.SubClassInclusionComposedObjectIntersectionOf Maven / Gradle / Ivy
/**
*
*/
package org.semanticweb.elk.reasoner.saturation.inferences;
/*
* #%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.reasoner.indexing.model.IndexedContextRoot;
import org.semanticweb.elk.reasoner.indexing.model.IndexedObjectIntersectionOf;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusionComposed;
import org.semanticweb.elk.reasoner.tracing.Conclusion;
import org.semanticweb.elk.reasoner.tracing.Conclusion.Factory;
/**
* A {@link ClassInference} producing a {@link SubClassInclusionComposed} with
* {@link SubClassInclusionComposed#getSubsumer()} instance of
* {@link IndexedObjectIntersectionOf} from two
* {@link SubClassInclusionComposed} premises:
*
*
* (1) (2)
* [C] ⊑ +D1 [C] ⊑ +D2
* ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
* [C] ⊑ +(D1 ⊓ D2)
*
*
* The parameters can be obtained as follows:
*
* C = {@link #getOrigin()} = {@link #getDestination()}
* D1 ⊓ D2 = {@link #getConclusionSubsumer()} (from which D1 and D2 can be
* obtained)
*
* @see IndexedObjectIntersectionOf#getFirstConjunct()
* @see IndexedObjectIntersectionOf#getSecondConjunct()
*
* @author Pavel Klinov
*
* [email protected]
* @author Yevgeny Kazakov
*
*/
public class SubClassInclusionComposedObjectIntersectionOf extends
AbstractSubClassInclusionComposedInference {
public SubClassInclusionComposedObjectIntersectionOf(
IndexedContextRoot inferenceRoot,
IndexedObjectIntersectionOf conjunction) {
super(inferenceRoot, conjunction);
}
@Override
public IndexedContextRoot getOrigin() {
return getDestination();
}
public SubClassInclusionComposed getFirstPremise(
SubClassInclusionComposed.Factory factory) {
return factory.getSubClassInclusionComposed(getOrigin(),
getSubsumer().getFirstConjunct());
}
public SubClassInclusionComposed getSecondPremise(
SubClassInclusionComposed.Factory factory) {
return factory.getSubClassInclusionComposed(getOrigin(),
getSubsumer().getSecondConjunct());
}
@Override
public int getPremiseCount() {
return 2;
}
@Override
public Conclusion getPremise(int index, Factory factory) {
switch (index) {
case 0:
return getFirstPremise(factory);
case 1:
return getSecondPremise(factory);
default:
return failGetPremise(index);
}
}
@Override
public final O accept(
SubClassInclusionComposedInference.Visitor visitor) {
return visitor.visit(this);
}
/**
* Visitor pattern for instances
*
* @author Yevgeny Kazakov
*
* @param
* the type of the output
*/
public static interface Visitor {
public O visit(SubClassInclusionComposedObjectIntersectionOf inference);
}
}