org.semanticweb.owlapi.MakeClassesMutuallyDisjoint Maven / Gradle / Ivy
/*
* This file is part of the OWL API.
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* Copyright (C) 2011, The University of Manchester
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* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
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* Copyright 2011, The University of Manchester
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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.
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package org.semanticweb.owlapi;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.semanticweb.owlapi.model.AddAxiom;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataFactory;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyChange;
import org.semanticweb.owlapi.util.CollectionFactory;
/**
* Author: Matthew Horridge
* The University Of Manchester
* Bio-Health Informatics Group
* Date: 24-Jul-2007
*
* Given a set of class expressions, this composite change will make them mutually disjoint.
* The composite change offers the option of using one disjoint classes axiom to do this
* or using multiple disjoint classes axioms to make them pairwise disjoint (for backwards
* compatibility with OWL 1.0).
*/
public class MakeClassesMutuallyDisjoint extends AbstractCompositeOntologyChange {
private final Set classExpressions;
private final boolean usePairwiseDisjointAxioms;
private final OWLOntology targetOntology;
private List changes;
/**
* Creates a composite change which makes a set of classes mutually disjoint
*
* @param dataFactory The data factory which should be used for creating the axioms
* @param classExpressions The class expressions which should be made mutually disjoint.
* @param usePairwiseDisjointAxioms true if multiple disjoint classes
* axioms should be used to make the class expressions pairwise disjoint (for backwards
* compatibility with OWL 1.0), or false if one disjoint classes axiom
* should be used (preferred OWL 1.1 method).
* @param targetOntology The target ontology which the changes will be applied to.
*/
public MakeClassesMutuallyDisjoint(OWLDataFactory dataFactory, Set classExpressions,
boolean usePairwiseDisjointAxioms, OWLOntology targetOntology) {
super(dataFactory);
this.classExpressions = classExpressions;
this.usePairwiseDisjointAxioms = usePairwiseDisjointAxioms;
this.targetOntology = targetOntology;
generateChanges();
}
private void generateChanges() {
changes = new ArrayList();
if (usePairwiseDisjointAxioms) {
List descList = new ArrayList(classExpressions);
for (int i = 0; i < descList.size(); i++) {
for (int j = i + 1; j < descList.size(); j++) {
changes.add(new AddAxiom(targetOntology,
getDataFactory().getOWLDisjointClassesAxiom(CollectionFactory.createSet(
descList.get(i),
descList.get(j)))));
}
}
} else {
changes.add(new AddAxiom(targetOntology, getDataFactory().getOWLDisjointClassesAxiom(classExpressions)));
}
}
@Override
public List getChanges() {
return changes;
}
}