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/*
 * This file is part of the OWL API.
 *
 * The contents of this file are subject to the LGPL License, Version 3.0.
 *
 * Copyright (C) 2011, The University of Manchester
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 *
 * 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.
 *
 * Copyright 2011, The University of Manchester
 *
 * 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.
 */
package uk.ac.manchester.cs.owl.explanation.ordering;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;

import org.semanticweb.owlapi.model.AddAxiom;
import org.semanticweb.owlapi.model.AxiomType;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLAnnotationAssertionAxiom;
import org.semanticweb.owlapi.model.OWLAnnotationPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLAnnotationPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLAsymmetricObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLAxiom;
import org.semanticweb.owlapi.model.OWLAxiomVisitor;
import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLClassAssertionAxiom;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLDataPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLDataPropertyExpression;
import org.semanticweb.owlapi.model.OWLDataPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLDatatypeDefinitionAxiom;
import org.semanticweb.owlapi.model.OWLDeclarationAxiom;
import org.semanticweb.owlapi.model.OWLDifferentIndividualsAxiom;
import org.semanticweb.owlapi.model.OWLDisjointClassesAxiom;
import org.semanticweb.owlapi.model.OWLDisjointDataPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLDisjointObjectPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLDisjointUnionAxiom;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLEquivalentClassesAxiom;
import org.semanticweb.owlapi.model.OWLEquivalentDataPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLEquivalentObjectPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLFunctionalDataPropertyAxiom;
import org.semanticweb.owlapi.model.OWLFunctionalObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLHasKeyAxiom;
import org.semanticweb.owlapi.model.OWLImportsDeclaration;
import org.semanticweb.owlapi.model.OWLIndividual;
import org.semanticweb.owlapi.model.OWLInverseFunctionalObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLInverseObjectPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLIrreflexiveObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLNegativeDataPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLNegativeObjectPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.model.OWLObjectPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLObjectPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLObjectPropertyExpression;
import org.semanticweb.owlapi.model.OWLObjectPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyChange;
import org.semanticweb.owlapi.model.OWLOntologyCreationException;
import org.semanticweb.owlapi.model.OWLOntologyManager;
import org.semanticweb.owlapi.model.OWLProperty;
import org.semanticweb.owlapi.model.OWLPropertyAxiom;
import org.semanticweb.owlapi.model.OWLReflexiveObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLRuntimeException;
import org.semanticweb.owlapi.model.OWLSameIndividualAxiom;
import org.semanticweb.owlapi.model.OWLSubAnnotationPropertyOfAxiom;
import org.semanticweb.owlapi.model.OWLSubClassOfAxiom;
import org.semanticweb.owlapi.model.OWLSubDataPropertyOfAxiom;
import org.semanticweb.owlapi.model.OWLSubObjectPropertyOfAxiom;
import org.semanticweb.owlapi.model.OWLSubPropertyChainOfAxiom;
import org.semanticweb.owlapi.model.OWLSymmetricObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLTransitiveObjectPropertyAxiom;
import org.semanticweb.owlapi.model.SWRLRule;

import uk.ac.manchester.cs.bhig.util.Tree;

/** Author: Matthew Horridge
* The University Of Manchester
* Bio-Health Informatics Group
* Date: 11-Jan-2008
*
*

* Provides ordering and indenting of explanations based on various ordering * heuristics. */ public class ExplanationOrdererImpl implements ExplanationOrderer { private Set currentExplanation; private final Map> lhs2AxiomMap; private final Map> entitiesByAxiomRHS; private final SeedExtractor seedExtractor; private final OWLOntologyManager man; private OWLOntology ont; private final Map> mappedAxioms; private final Set consumedAxioms; private final Set> passTypes; private OWLEntity currentSource; private OWLEntity currentTarget; /** @param m * the manager to use */ public ExplanationOrdererImpl(OWLOntologyManager m) { currentExplanation = Collections.emptySet(); lhs2AxiomMap = new HashMap>(); entitiesByAxiomRHS = new HashMap>(); seedExtractor = new SeedExtractor(); man = m; mappedAxioms = new HashMap>(); passTypes = new HashSet>(); // I'm not sure what to do with disjoint classes yet. At the // moment, we just shove them at the end at the top level. passTypes.add(AxiomType.DISJOINT_CLASSES); consumedAxioms = new HashSet(); } private void reset() { lhs2AxiomMap.clear(); entitiesByAxiomRHS.clear(); consumedAxioms.clear(); } @Override public ExplanationTree getOrderedExplanation(OWLAxiom entailment, Set axioms) { currentExplanation = new HashSet(axioms); buildIndices(); ExplanationTree root = new EntailedAxiomTree(entailment); currentSource = seedExtractor.getSource(entailment); insertChildren(currentSource, root); currentTarget = seedExtractor.getTarget(entailment); Set axs = root.getUserObjectClosure(); final Set targetAxioms = new HashSet(); if (currentTarget != null) { if (currentTarget.isOWLClass()) { targetAxioms.addAll(ont.getAxioms(currentTarget.asOWLClass())); } if (currentTarget.isOWLObjectProperty()) { targetAxioms.addAll(ont.getAxioms(currentTarget.asOWLObjectProperty())); } if (currentTarget.isOWLDataProperty()) { targetAxioms.addAll(ont.getAxioms(currentTarget.asOWLDataProperty())); } if (currentTarget.isOWLNamedIndividual()) { targetAxioms.addAll(ont.getAxioms(currentTarget.asOWLNamedIndividual())); } } List rootAxioms = new ArrayList(); for (OWLAxiom ax : axioms) { if (!axs.contains(ax)) { rootAxioms.add(ax); } } Collections.sort(rootAxioms, new Comparator() { @Override public int compare(OWLAxiom o1, OWLAxiom o2) { if (targetAxioms.contains(o1)) { return 1; } if (targetAxioms.contains(o2)) { return -1; } return 0; } }); for (OWLAxiom ax : rootAxioms) { root.addChild(new ExplanationTree(ax)); } return root; } private List getRHSEntitiesSorted(OWLAxiom ax) { Collection entities = getRHSEntities(ax); List sortedEntities = new ArrayList(entities); Collections.sort(sortedEntities, propertiesFirstComparator); return sortedEntities; } private void insertChildren(OWLEntity entity, ExplanationTree tree) { Set currentPath = new HashSet(tree.getUserObjectPathToRoot()); Set axioms = Collections.emptySet(); if (entity != null) { if (entity.isOWLClass()) { axioms = ont.getAxioms(entity.asOWLClass()); } else if (entity.isOWLObjectProperty()) { axioms = ont.getAxioms(entity.asOWLObjectProperty()); } else if (entity.isOWLDataProperty()) { axioms = ont.getAxioms(entity.asOWLDataProperty()); } else if (entity.isOWLNamedIndividual()) { axioms = ont.getAxioms(entity.asOWLNamedIndividual()); } for (OWLAxiom ax : axioms) { if (passTypes.contains(ax.getAxiomType())) { continue; } Set mapped = getIndexedSet(entity, mappedAxioms, true); if (consumedAxioms.contains(ax) || mapped.contains(ax) || currentPath.contains(ax)) { continue; } mapped.add(ax); consumedAxioms.add(ax); ExplanationTree child = new ExplanationTree(ax); tree.addChild(child); for (OWLEntity ent : getRHSEntitiesSorted(ax)) { insertChildren(ent, child); } } } sortChildrenAxioms(tree); } private static Comparator> comparator = new OWLAxiomTreeComparator(); private void sortChildrenAxioms(ExplanationTree tree) { tree.sortChildren(comparator); } private static AtomicLong randomstart = new AtomicLong(System.currentTimeMillis()); private void buildIndices() { reset(); AxiomMapBuilder builder = new AxiomMapBuilder(); for (OWLAxiom ax : currentExplanation) { ax.accept(builder); } try { if (ont != null) { man.removeOntology(ont); } ont = man.createOntology(IRI.create("http://www.semanticweb.org/ontology" + randomstart.incrementAndGet())); List changes = new ArrayList(); for (OWLAxiom ax : currentExplanation) { changes.add(new AddAxiom(ont, ax)); ax.accept(builder); } man.applyChanges(changes); } catch (OWLOntologyCreationException e) { throw new OWLRuntimeException(e); } } /** A utility method that obtains a set of axioms that are indexed by some * object * * @param obj * The object that indexed the axioms * @param map * The map that provides the index structure * @param addIfEmpty * A flag that indicates whether an empty set of axiom should be * added to the index if there is not value present for the * indexing object. * @return A set of axioms (may be empty) */ private static Set getIndexedSet(K obj, Map> map, boolean addIfEmpty) { Set values = map.get(obj); if (values == null) { values = new HashSet(); if (addIfEmpty) { map.put(obj, values); } } return values; } /** Gets axioms that have a LHS corresponding to the specified entity. * * @param lhs * The entity that occurs on the left hand side of the axiom. * @return A set of axioms that have the specified entity as their left hand * side. */ protected Set getAxiomsForLHS(OWLEntity lhs) { return getIndexedSet(lhs, lhs2AxiomMap, true); } private Collection getRHSEntities(OWLAxiom axiom) { return getIndexedSet(axiom, entitiesByAxiomRHS, true); } protected void indexAxiomsByRHSEntities(OWLObject rhs, OWLAxiom axiom) { getIndexedSet(axiom, entitiesByAxiomRHS, true).addAll(rhs.getSignature()); } private static final class PropertiesFirstComparator implements Comparator { public PropertiesFirstComparator() {} @Override public int compare(OWLObject o1, OWLObject o2) { if (o1 instanceof OWLProperty) { return -1; } else { if (o1.equals(o2)) { return 0; } return 1; } } } private static PropertiesFirstComparator propertiesFirstComparator = new PropertiesFirstComparator(); // /////////////////////////////////////////////////////////////////////////////////////////////////////////// // /////////////////////////////////////////////////////////////////////////////////////////////////////////// /** tree comparator XXX this class is stateless, a singleton might be used to * access it */ private static final class OWLAxiomTreeComparator implements Comparator>, Serializable { private static final long serialVersionUID = 30402L; public OWLAxiomTreeComparator() {} @Override public int compare(Tree o1, Tree o2) { OWLAxiom ax1 = o1.getUserObject(); OWLAxiom ax2 = o2.getUserObject(); // Equivalent classes axioms always come last if (ax1 instanceof OWLEquivalentClassesAxiom) { return 1; } if (ax2 instanceof OWLEquivalentClassesAxiom) { return -1; } if (ax1 instanceof OWLPropertyAxiom) { return -1; } int childCount1 = o1.getChildCount(); childCount1 = childCount1 > 0 ? 0 : 1; int childCount2 = o2.getChildCount(); childCount2 = childCount2 > 0 ? 0 : 1; int diff = childCount1 - childCount2; if (diff != 0) { return diff; } if (ax1 instanceof OWLSubClassOfAxiom && ax2 instanceof OWLSubClassOfAxiom) { OWLSubClassOfAxiom sc1 = (OWLSubClassOfAxiom) ax1; OWLSubClassOfAxiom sc2 = (OWLSubClassOfAxiom) ax2; return sc1.getSuperClass().compareTo(sc2.getSuperClass()); } return 1; } } @SuppressWarnings("unused") private static class SeedExtractor implements OWLAxiomVisitor { private OWLEntity source; private OWLEntity target; public SeedExtractor() {} public OWLEntity getSource(OWLAxiom axiom) { axiom.accept(this); return source; } public OWLEntity getTarget(OWLAxiom axiom) { axiom.accept(this); return target; } @Override public void visit(OWLSubClassOfAxiom axiom) { if (!axiom.getSubClass().isAnonymous()) { source = axiom.getSubClass().asOWLClass(); } if (!axiom.getSuperClass().isOWLNothing()) { OWLClassExpression classExpression = axiom.getSuperClass(); if (!classExpression.isAnonymous()) { target = classExpression.asOWLClass(); } } } @Override public void visit(OWLNegativeObjectPropertyAssertionAxiom axiom) {} @Override public void visit(OWLAsymmetricObjectPropertyAxiom axiom) {} @Override public void visit(OWLReflexiveObjectPropertyAxiom axiom) {} @Override public void visit(OWLDisjointClassesAxiom axiom) { for (OWLClassExpression ce : axiom.getClassExpressions()) { if (!ce.isAnonymous()) { if (source == null) { source = ce.asOWLClass(); } else if (target == null) { target = ce.asOWLClass(); } else { break; } } } } @Override public void visit(OWLDataPropertyDomainAxiom axiom) {} public void visit(OWLImportsDeclaration axiom) {} @Override public void visit(OWLObjectPropertyDomainAxiom axiom) {} @Override public void visit(OWLEquivalentObjectPropertiesAxiom axiom) {} @Override public void visit(OWLNegativeDataPropertyAssertionAxiom axiom) {} @Override public void visit(OWLDifferentIndividualsAxiom axiom) {} @Override public void visit(OWLDisjointDataPropertiesAxiom axiom) {} @Override public void visit(OWLDisjointObjectPropertiesAxiom axiom) {} @Override public void visit(OWLObjectPropertyRangeAxiom axiom) {} @Override public void visit(OWLObjectPropertyAssertionAxiom axiom) {} @Override public void visit(OWLFunctionalObjectPropertyAxiom axiom) {} @Override public void visit(OWLSubObjectPropertyOfAxiom axiom) { if (!axiom.getSubProperty().isAnonymous()) { source = axiom.getSubProperty().asOWLObjectProperty(); } if (!axiom.getSuperProperty().isAnonymous()) { target = axiom.getSuperProperty().asOWLObjectProperty(); } } @Override public void visit(OWLDisjointUnionAxiom axiom) {} @Override public void visit(OWLDeclarationAxiom axiom) {} @Override public void visit(OWLAnnotationAssertionAxiom axiom) {} @Override public void visit(OWLSymmetricObjectPropertyAxiom axiom) {} @Override public void visit(OWLDataPropertyRangeAxiom axiom) {} @Override public void visit(OWLFunctionalDataPropertyAxiom axiom) {} @Override public void visit(OWLEquivalentDataPropertiesAxiom axiom) {} @Override public void visit(OWLClassAssertionAxiom axiom) { if (!axiom.getClassExpression().isAnonymous()) { source = axiom.getIndividual().asOWLNamedIndividual(); target = axiom.getClassExpression().asOWLClass(); } } @Override public void visit(OWLEquivalentClassesAxiom axiom) { for (OWLClass cls : axiom.getNamedClasses()) { if (source == null) { source = cls; } else if (target == null) { target = cls; } else { break; } } } @Override public void visit(OWLDataPropertyAssertionAxiom axiom) {} @Override public void visit(OWLTransitiveObjectPropertyAxiom axiom) {} @Override public void visit(OWLIrreflexiveObjectPropertyAxiom axiom) {} @Override public void visit(OWLSubDataPropertyOfAxiom axiom) {} @Override public void visit(OWLInverseFunctionalObjectPropertyAxiom axiom) {} @Override public void visit(OWLSameIndividualAxiom axiom) {} @Override public void visit(OWLSubPropertyChainOfAxiom axiom) {} @Override public void visit(OWLInverseObjectPropertiesAxiom axiom) {} @Override public void visit(SWRLRule rule) {} @Override public void visit(OWLHasKeyAxiom axiom) {} @Override public void visit(OWLAnnotationPropertyDomainAxiom axiom) {} @Override public void visit(OWLAnnotationPropertyRangeAxiom axiom) {} @Override public void visit(OWLSubAnnotationPropertyOfAxiom axiom) {} @Override public void visit(OWLDatatypeDefinitionAxiom axiom) {} } // /////////////////////////////////////////////////////////////////////////////////////////////////////////// // /////////////////////////////////////////////////////////////////////////////////////////////////////////// /** A visitor that indexes axioms by their left and right hand sides. */ @SuppressWarnings("unused") private class AxiomMapBuilder implements OWLAxiomVisitor { public AxiomMapBuilder() {} @Override public void visit(OWLSubClassOfAxiom axiom) { if (!axiom.getSubClass().isAnonymous()) { getAxiomsForLHS(axiom.getSubClass().asOWLClass()).add(axiom); indexAxiomsByRHSEntities(axiom.getSuperClass(), axiom); } } @Override public void visit(OWLNegativeObjectPropertyAssertionAxiom axiom) {} @Override public void visit(OWLAsymmetricObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLReflexiveObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLDisjointClassesAxiom axiom) { for (OWLClassExpression desc : axiom.getClassExpressions()) { if (!desc.isAnonymous()) { getAxiomsForLHS(desc.asOWLClass()).add(axiom); } indexAxiomsByRHSEntities(desc, axiom); } } @Override public void visit(OWLDataPropertyDomainAxiom axiom) { getAxiomsForLHS(axiom.getProperty().asOWLDataProperty()).add(axiom); indexAxiomsByRHSEntities(axiom.getDomain(), axiom); } public void visit(OWLImportsDeclaration axiom) {} @Override public void visit(OWLObjectPropertyDomainAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } indexAxiomsByRHSEntities(axiom.getDomain(), axiom); } @Override public void visit(OWLEquivalentObjectPropertiesAxiom axiom) { for (OWLObjectPropertyExpression prop : axiom.getProperties()) { if (!prop.isAnonymous()) { getAxiomsForLHS(prop.asOWLObjectProperty()).add(axiom); } indexAxiomsByRHSEntities(prop, axiom); } } @Override public void visit(OWLNegativeDataPropertyAssertionAxiom axiom) {} @Override public void visit(OWLDifferentIndividualsAxiom axiom) { for (OWLIndividual ind : axiom.getIndividuals()) { if (!ind.isAnonymous()) { getAxiomsForLHS(ind.asOWLNamedIndividual()).add(axiom); indexAxiomsByRHSEntities(ind, axiom); } } } @Override public void visit(OWLDisjointDataPropertiesAxiom axiom) { for (OWLDataPropertyExpression prop : axiom.getProperties()) { getAxiomsForLHS(prop.asOWLDataProperty()).add(axiom); indexAxiomsByRHSEntities(prop, axiom); } } @Override public void visit(OWLDisjointObjectPropertiesAxiom axiom) { for (OWLObjectPropertyExpression prop : axiom.getProperties()) { if (!prop.isAnonymous()) { getAxiomsForLHS(prop.asOWLObjectProperty()).add(axiom); } indexAxiomsByRHSEntities(prop, axiom); } } @Override public void visit(OWLObjectPropertyRangeAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } indexAxiomsByRHSEntities(axiom.getRange(), axiom); } @Override public void visit(OWLObjectPropertyAssertionAxiom axiom) {} @Override public void visit(OWLFunctionalObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLSubObjectPropertyOfAxiom axiom) { if (!axiom.getSubProperty().isAnonymous()) { getAxiomsForLHS(axiom.getSubProperty().asOWLObjectProperty()).add(axiom); } indexAxiomsByRHSEntities(axiom.getSuperProperty(), axiom); } @Override public void visit(OWLDisjointUnionAxiom axiom) { getAxiomsForLHS(axiom.getOWLClass()).add(axiom); } @Override public void visit(OWLDeclarationAxiom axiom) {} @Override public void visit(OWLAnnotationAssertionAxiom axiom) {} @Override public void visit(OWLSymmetricObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLDataPropertyRangeAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLDataProperty()).add(axiom); } indexAxiomsByRHSEntities(axiom.getRange(), axiom); } @Override public void visit(OWLFunctionalDataPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLDataProperty()).add(axiom); } } @Override public void visit(OWLEquivalentDataPropertiesAxiom axiom) { for (OWLDataPropertyExpression prop : axiom.getProperties()) { getAxiomsForLHS(prop.asOWLDataProperty()).add(axiom); indexAxiomsByRHSEntities(prop, axiom); } } @Override public void visit(OWLClassAssertionAxiom axiom) { if (!axiom.getIndividual().isAnonymous()) { getAxiomsForLHS(axiom.getIndividual().asOWLNamedIndividual()).add(axiom); indexAxiomsByRHSEntities(axiom.getClassExpression(), axiom); } } @Override public void visit(OWLEquivalentClassesAxiom axiom) { for (OWLClassExpression desc : axiom.getClassExpressions()) { if (!desc.isAnonymous()) { getAxiomsForLHS(desc.asOWLClass()).add(axiom); } indexAxiomsByRHSEntities(desc, axiom); } } @Override public void visit(OWLDataPropertyAssertionAxiom axiom) { indexAxiomsByRHSEntities(axiom.getSubject(), axiom); } @Override public void visit(OWLTransitiveObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLIrreflexiveObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLSubDataPropertyOfAxiom axiom) { getAxiomsForLHS(axiom.getSubProperty().asOWLDataProperty()).add(axiom); indexAxiomsByRHSEntities(axiom.getSuperProperty(), axiom); } @Override public void visit(OWLInverseFunctionalObjectPropertyAxiom axiom) { if (!axiom.getProperty().isAnonymous()) { getAxiomsForLHS(axiom.getProperty().asOWLObjectProperty()).add(axiom); } } @Override public void visit(OWLSameIndividualAxiom axiom) { for (OWLIndividual ind : axiom.getIndividuals()) { if (!ind.isAnonymous()) { getAxiomsForLHS(ind.asOWLNamedIndividual()).add(axiom); indexAxiomsByRHSEntities(ind, axiom); } } } @Override public void visit(OWLSubPropertyChainOfAxiom axiom) {} @Override public void visit(OWLDatatypeDefinitionAxiom axiom) {} @Override public void visit(OWLInverseObjectPropertiesAxiom axiom) { if (!axiom.getFirstProperty().isAnonymous()) { getAxiomsForLHS(axiom.getFirstProperty().asOWLObjectProperty()) .add(axiom); } indexAxiomsByRHSEntities(axiom.getFirstProperty(), axiom); indexAxiomsByRHSEntities(axiom.getSecondProperty(), axiom); } @Override public void visit(SWRLRule rule) {} @Override public void visit(OWLHasKeyAxiom axiom) { if (!axiom.getClassExpression().isAnonymous()) { indexAxiomsByRHSEntities(axiom.getClassExpression().asOWLClass(), axiom); } } @Override public void visit(OWLAnnotationPropertyDomainAxiom axiom) {} @Override public void visit(OWLAnnotationPropertyRangeAxiom axiom) {} @Override public void visit(OWLSubAnnotationPropertyOfAxiom axiom) {} } }





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