org.semanticweb.elk.reasoner.saturation.inferences.SubClassInclusionExpandedFirstEquivalentClass Maven / Gradle / Ivy
/**
*
*/
package org.semanticweb.elk.reasoner.saturation.inferences;
/*
* #%L
* ELK Reasoner
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2011 - 2013 Department of Computer Science, University of Oxford
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* 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
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import org.semanticweb.elk.owl.interfaces.ElkAxiom;
import org.semanticweb.elk.reasoner.indexing.model.IndexedClassExpression;
import org.semanticweb.elk.reasoner.indexing.model.IndexedContextRoot;
import org.semanticweb.elk.reasoner.indexing.model.IndexedEquivalentClassesAxiom;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusionComposed;
import org.semanticweb.elk.reasoner.saturation.conclusions.model.SubClassInclusionDecomposed;
import org.semanticweb.elk.reasoner.tracing.Conclusion;
import org.semanticweb.elk.reasoner.tracing.Conclusion.Factory;
/**
* A {@link ClassInference} producing a {@link SubClassInclusionDecomposed} from
* a {@link SubClassInclusionComposed} and
* {@link IndexedEquivalentClassesAxiom}:
*
*
* (1) (2)
* [C] ⊑ +D [D = E]
* ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
* [C] ⊑ -E
*
*
* The parameters can be obtained as follows:
*
* C = {@link #getOrigin()} = {@link #getDestination()}
* D = {@link #getPremiseSubsumer()}
* E = {@link #getConclusionSubsumer()}
*
* @author Pavel Klinov
*
* [email protected]
*
* @author Yevgeny Kazakov
*/
public class SubClassInclusionExpandedFirstEquivalentClass
extends AbstractSubClassInclusionExpansionInference {
public SubClassInclusionExpandedFirstEquivalentClass(
IndexedContextRoot inferenceRoot,
IndexedClassExpression premiseSubsumer,
IndexedClassExpression conclusionSubsumer, ElkAxiom reason) {
super(inferenceRoot, premiseSubsumer, conclusionSubsumer, reason);
}
public IndexedEquivalentClassesAxiom getSecondPremise(
IndexedEquivalentClassesAxiom.Factory factory) {
return factory.getIndexedEquivalentClassesAxiom(getReason(),
getPremiseSubsumer(), getConclusionSubsumer());
}
@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(
SubClassInclusionDecomposedInference.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(SubClassInclusionExpandedFirstEquivalentClass inference);
}
}