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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, Ulm University
 *
 * 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, Ulm University
 *
 * 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 de.uulm.ecs.ai.owlapi.krssrenderer;

import static de.uulm.ecs.ai.owlapi.krssrenderer.KRSSVocabulary.*;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;

import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLAnnotation;
import org.semanticweb.owlapi.model.OWLAnnotationAssertionAxiom;
import org.semanticweb.owlapi.model.OWLAnnotationProperty;
import org.semanticweb.owlapi.model.OWLAnnotationPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLAnnotationPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLAnonymousIndividual;
import org.semanticweb.owlapi.model.OWLAsymmetricObjectPropertyAxiom;
import org.semanticweb.owlapi.model.OWLAxiom;
import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLClassAssertionAxiom;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataAllValuesFrom;
import org.semanticweb.owlapi.model.OWLDataComplementOf;
import org.semanticweb.owlapi.model.OWLDataExactCardinality;
import org.semanticweb.owlapi.model.OWLDataHasValue;
import org.semanticweb.owlapi.model.OWLDataIntersectionOf;
import org.semanticweb.owlapi.model.OWLDataMaxCardinality;
import org.semanticweb.owlapi.model.OWLDataMinCardinality;
import org.semanticweb.owlapi.model.OWLDataOneOf;
import org.semanticweb.owlapi.model.OWLDataProperty;
import org.semanticweb.owlapi.model.OWLDataPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLDataPropertyDomainAxiom;
import org.semanticweb.owlapi.model.OWLDataPropertyRangeAxiom;
import org.semanticweb.owlapi.model.OWLDataRange;
import org.semanticweb.owlapi.model.OWLDataSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLDataUnionOf;
import org.semanticweb.owlapi.model.OWLDatatype;
import org.semanticweb.owlapi.model.OWLDatatypeDefinitionAxiom;
import org.semanticweb.owlapi.model.OWLDatatypeRestriction;
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.OWLEquivalentClassesAxiom;
import org.semanticweb.owlapi.model.OWLEquivalentDataPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLEquivalentObjectPropertiesAxiom;
import org.semanticweb.owlapi.model.OWLFacetRestriction;
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.OWLLiteral;
import org.semanticweb.owlapi.model.OWLNamedIndividual;
import org.semanticweb.owlapi.model.OWLNegativeDataPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLNegativeObjectPropertyAssertionAxiom;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.model.OWLObjectAllValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectComplementOf;
import org.semanticweb.owlapi.model.OWLObjectExactCardinality;
import org.semanticweb.owlapi.model.OWLObjectHasSelf;
import org.semanticweb.owlapi.model.OWLObjectHasValue;
import org.semanticweb.owlapi.model.OWLObjectIntersectionOf;
import org.semanticweb.owlapi.model.OWLObjectInverseOf;
import org.semanticweb.owlapi.model.OWLObjectMaxCardinality;
import org.semanticweb.owlapi.model.OWLObjectMinCardinality;
import org.semanticweb.owlapi.model.OWLObjectOneOf;
import org.semanticweb.owlapi.model.OWLObjectProperty;
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.OWLObjectSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectUnionOf;
import org.semanticweb.owlapi.model.OWLObjectVisitor;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyManager;
import org.semanticweb.owlapi.model.OWLPropertyExpression;
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.SWRLBuiltInAtom;
import org.semanticweb.owlapi.model.SWRLClassAtom;
import org.semanticweb.owlapi.model.SWRLDataPropertyAtom;
import org.semanticweb.owlapi.model.SWRLDataRangeAtom;
import org.semanticweb.owlapi.model.SWRLDifferentIndividualsAtom;
import org.semanticweb.owlapi.model.SWRLIndividualArgument;
import org.semanticweb.owlapi.model.SWRLLiteralArgument;
import org.semanticweb.owlapi.model.SWRLObjectPropertyAtom;
import org.semanticweb.owlapi.model.SWRLRule;
import org.semanticweb.owlapi.model.SWRLSameIndividualAtom;
import org.semanticweb.owlapi.model.SWRLVariable;
import org.semanticweb.owlapi.util.CollectionFactory;

/**
 * A {@code KRSSObjectRenderer} renderes an OWLOntology in the original KRSS
 * syntax. Note that only a subset of OWL can be expressed in KRSS. 
* Abbreviations * * * * * * * * * * * * * * * * * *
CNconcept name
C,D,Econcept expression
RNrole name
R, R1, R2,...role expressions, i.e. role name or inverse role
*
* KRSS concept language * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
KRSSOWLClassExpression
(at-least n R C)(OWLObjectMinCardinality R n C)
(at-most n R C)(OWLObjectMaxCardinality R n C)
(exactly n R C)(OWLObjectExactCardinality R n C)
(some R C)(OWLObjectSomeValuesFrom R C)
(all R C)(OWLObjectAllValuesFrom R C)
(not C)(OWLObjectComplementOf C)
(and C D E)(OWLObjectIntersectionOf C D E)
(or C D E)(OWLObjectUnionOf C D E)
*
* KRSS role language * * * * * * * * * *
KRSSOWLObjectPropertyExpression
(inv R)(OWLInverseObjectPropertiesAxiom R)
*
* Each referenced class, object property as well as individual is defined using * define-concept resp. define-primitive-concept, * define-role and define-individual. In addition, axioms are * translated as follows.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
OWLAxiomKRSS syntaxRemarks
OWLEquivalentClasses(define-concept C D)OWLEquivalentClasses C D1 D2...Dn will be translated to:
* (define-concept C (and D1 D2...Dn))
* Only applicable if there is no OWLSubClassOf axiom.
*
OWLDisjointClassesAxiom(disjoint C D)multiple pairwise disjoint statements are added in case of more than 2 * disjoint expressions
OWLSubClassOf(define-primitive-concept C D)Multiple OWLSubClassOf axioms for C will be combined:
* (define-primitive-concept C (and D1...Dn))
* Only applicable if there is no OWLEquivalentClasses axiom.
* KRSS does not allow both define-concept C and define-primitive-concept C. * GCIs not supported in KRSS (see KRSS2)
OWLEquivalentObjectPropertiesAxiom(define-role R S)Only applicable if the is no OWLSubObjectPropertyOf for R and the number * of the involved properties must be two
OWLObjectPropertyDomainAxiom(domain P D)
OWLObjectPropertyRangeAxiom(range P D)
OWLSubObjectPropertyOf(define-primitive-role R S)Only applicable if the is no OWLEquivalentObjectPropertiesAxiom for R and * only one OWLSubObjectPropertyOf axiom for a given property is allowed. If * there are more one is randomly chosen.
OWLTransitiveObjectPropertyAxiom(transitive P)
OWLClassAssertionAxiom(instance i D)
OWLDifferentIndividualsAxiom(distinct i1 i2)OWLDifferentIndividualsAxiom i1 i2 ... in will be splitted into:
* { (distinct i(j) i(j+k)) | 1 <= j <=n, j<k<=n, j=|=k}
OWLObjectPropertyAssertionAxiom(related i1 P i2)i1: subject, i2: object
OWLSameIndividualsAxiom(equal i1 i2)OWLSameIndividual i1 i2 ...i(n-1) in will be splitted into:
* { (equal i(j) i(j+k)) | 1 <= j <=n, j<k<=n, j=|=k}
*
* * @author Olaf Noppens, Ulm University, Institute of Artificial Intelligence */ @SuppressWarnings({ "unused", "javadoc" }) public class KRSSObjectRenderer implements OWLObjectVisitor { private static final String OPEN_BRACKET = "("; private static final String CLOSE_BRACKET = ")"; private static final String NEWLINE = "\n"; protected final OWLOntology ontology; protected final Writer writer; private int pos = 0; private int lastNewLinePos = 0; @Deprecated public KRSSObjectRenderer(OWLOntologyManager manager, OWLOntology ontology, Writer writer) { this(ontology, writer); } public KRSSObjectRenderer(OWLOntology ontology, Writer writer) { this.ontology = ontology; this.writer = new PrintWriter(writer); } protected List sort(Collection objects) { List sortedDescriptions = new ArrayList(objects); CollectionFactory.sortOptionally(sortedDescriptions); return sortedDescriptions; } protected final void writeOpenBracket() { write(OPEN_BRACKET); } protected final void writeCloseBracket() { write(CLOSE_BRACKET); } protected final void write(int i) { write(" " + i); } protected final void write(IRI iri) { write(iri.toString()); } private void write(KRSSVocabulary v) { write(v.toString()); } protected final void writeSpace() { write(" "); } protected final void write(String s) { try { int newLineIndex = s.indexOf('\n'); if (newLineIndex != -1) { lastNewLinePos = pos + newLineIndex; } pos += s.length(); writer.write(s); } catch (IOException e) { throw new OWLRuntimeException(e); } } protected final int getIndent() { return pos - lastNewLinePos - 1; } protected final void writeIndent(int indent) { for (int i = 0; i < indent; i++) { writeSpace(); } } protected final void writeln() { write(NEWLINE); } public final void write(OWLClassExpression obj) { writeSpace(); obj.accept(this); } public final void write(OWLIndividual ind) { writeSpace(); ind.accept(this); } public final void write(OWLPropertyExpression obj) { writeSpace(); obj.accept(this); } public final void write(OWLDataRange obj) { writeSpace(); obj.accept(this); } protected void flattenProperties( final Set properties, KRSSVocabulary junctor) { if (properties.isEmpty()) { return; } if (properties.size() == 1) { write(properties.iterator().next()); return; } if (junctor != null) { writeOpenBracket(); write(junctor); } List props = sort(properties); write(props.get(0)); final int size = props.size(); final int indent = getIndent(); for (int i = 1; i < size; i++) { writeln(); writeIndent(indent); write(props.get(i)); } if (junctor != null) { writeCloseBracket(); } } protected void flatten(final Set description, KRSSVocabulary junctor) { if (description.isEmpty()) { return; } if (description.size() == 1) { write(description.iterator().next()); return; } writeOpenBracket(); write(junctor); List descs = sort(description); write(descs.get(0)); final int size = descs.size(); final int indent = getIndent(); for (int i = 1; i < size; i++) { writeln(); writeIndent(indent); write(descs.get(i)); } writeCloseBracket(); } @Override public void visit(OWLOntology ontology1) { Set classes = ontology1.getClassesInSignature(); classes.remove(ontology1.getOWLOntologyManager().getOWLDataFactory() .getOWLThing()); classes.remove(ontology1.getOWLOntologyManager().getOWLDataFactory() .getOWLNothing()); for (final OWLClass eachClass : sort(classes)) { final boolean primitive = !eachClass.isDefined(ontology1); if (primitive) { writeOpenBracket(); write(DEFINE_PRIMITIVE_CONCEPT); write(eachClass); writeSpace(); flatten(eachClass.getSuperClasses(ontology1), KRSSVocabulary.AND); writeCloseBracket(); writeln(); } else { writeOpenBracket(); write(DEFINE_CONCEPT); write(eachClass); flatten(eachClass.getEquivalentClasses(ontology1), KRSSVocabulary.AND); writeCloseBracket(); writeln(); } } for (final OWLObjectProperty property : sort(ontology1 .getObjectPropertiesInSignature())) { writeOpenBracket(); Set properties = property .getEquivalentProperties(ontology1); boolean isDefined = !properties.isEmpty(); if (isDefined) { write(DEFINE_ROLE); write(property); // choose randomly one property (KRSS restriction) properties.remove(property); if (!properties.isEmpty()) { write(properties.iterator().next()); } } else { write(DEFINE_PRIMITIVE_ROLE); write(property); writeSpace(); properties = property.getSuperProperties(ontology1); if (!properties.isEmpty()) { write(properties.iterator().next()); } } writeCloseBracket(); writeln(); } for (final OWLAxiom axiom : ontology1.getAxioms()) { axiom.accept(this); } try { writer.flush(); } catch (IOException io) { io.printStackTrace(); } } @Override public void visit(OWLSubClassOfAxiom axiom) {} @Override public void visit(OWLNegativeObjectPropertyAssertionAxiom axiom) {} @Override public void visit(OWLAsymmetricObjectPropertyAxiom axiom) {} @Override public void visit(OWLReflexiveObjectPropertyAxiom axiom) {} @Override public void visit(OWLDisjointClassesAxiom axiom) { List classes = sort(axiom.getClassExpressions()); int size = classes.size(); if (size <= 1) { return; } for (int i = 0; i < size; i++) { for (int j = i + 1; j < size; j++) { writeOpenBracket(); write(DISJOINT); write(classes.get(i)); write(classes.get(j)); writeCloseBracket(); writeln(); } } } @Override public void visit(OWLDataPropertyDomainAxiom axiom) {} public void visit(OWLImportsDeclaration axiom) {} @Override public void visit(OWLObjectPropertyDomainAxiom axiom) { writeOpenBracket(); write(DOMAIN); write(axiom.getProperty()); write(axiom.getDomain()); writeCloseBracket(); writeln(); } @Override public void visit(OWLEquivalentObjectPropertiesAxiom axiom) {} @Override public void visit(OWLNegativeDataPropertyAssertionAxiom axiom) {} @Override public void visit(OWLDifferentIndividualsAxiom axiom) { List individuals = sort(axiom.getIndividuals()); int size = individuals.size(); if (size <= 1) { return; } for (int i = 0; i < size; i++) { for (int j = i + 1; j < size; j++) { writeOpenBracket(); write(DISTINCT); write(individuals.get(i)); write(individuals.get(j)); writeCloseBracket(); writeln(); } } } @Override public void visit(OWLDisjointDataPropertiesAxiom axiom) {} @Override public void visit(OWLDisjointObjectPropertiesAxiom axiom) {} @Override public void visit(OWLObjectPropertyRangeAxiom axiom) { writeOpenBracket(); write(RANGE); write(axiom.getProperty()); write(axiom.getRange()); writeCloseBracket(); writeln(); } @Override public void visit(OWLObjectPropertyAssertionAxiom axiom) { writeOpenBracket(); write(RELATED); write(axiom.getSubject()); write(axiom.getProperty()); write(axiom.getObject()); writeCloseBracket(); writeln(); } @Override public void visit(OWLFunctionalObjectPropertyAxiom axiom) {} @Override public void visit(OWLSubObjectPropertyOfAxiom axiom) {} @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) { writeOpenBracket(); write(INSTANCE); write(axiom.getIndividual()); write(axiom.getClassExpression()); writeCloseBracket(); writeln(); } @Override public void visit(OWLEquivalentClassesAxiom axiom) {} @Override public void visit(OWLDataPropertyAssertionAxiom axiom) {} @Override public void visit(OWLTransitiveObjectPropertyAxiom axiom) { writeOpenBracket(); write(TRANSITIVE); write(axiom.getProperty()); writeCloseBracket(); writeln(); } @Override public void visit(OWLIrreflexiveObjectPropertyAxiom axiom) {} @Override public void visit(OWLSubDataPropertyOfAxiom axiom) {} @Override public void visit(OWLInverseFunctionalObjectPropertyAxiom axiom) {} @Override public void visit(OWLSameIndividualAxiom axiom) { final List individuals = sort(axiom.getIndividuals()); final int size = individuals.size(); if (size <= 1) { return; } for (int i = 0; i < size; i++) { for (int j = i + 1; j < size; j++) { writeOpenBracket(); write(EQUAL); write(individuals.get(i)); write(individuals.get(j)); writeCloseBracket(); writeln(); } } } @Override public void visit(OWLSubPropertyChainOfAxiom axiom) {} @Override public void visit(OWLInverseObjectPropertiesAxiom axiom) {} @Override public void visit(SWRLRule rule) {} @Override public void visit(SWRLClassAtom node) {} @Override public void visit(SWRLDataRangeAtom node) {} @Override public void visit(SWRLObjectPropertyAtom node) {} @Override public void visit(SWRLDataPropertyAtom node) {} @Override public void visit(SWRLBuiltInAtom node) {} @Override public void visit(SWRLVariable node) {} @Override public void visit(SWRLIndividualArgument node) {} @Override public void visit(SWRLLiteralArgument node) {} @Override public void visit(SWRLSameIndividualAtom node) {} @Override public void visit(SWRLDifferentIndividualsAtom node) {} @Override public void visit(OWLClass desc) { write(desc.getIRI()); } @Override public void visit(OWLObjectIntersectionOf desc) { writeOpenBracket(); write(AND); final List operands = sort(desc.getOperands()); final int size = operands.size(); if (size > 0) { final int indent = getIndent(); write(operands.get(0)); for (int i = 1; i < size; i++) { writeln(); writeIndent(indent); write(operands.get(i)); } } writeCloseBracket(); } @Override public void visit(OWLObjectUnionOf desc) { writeOpenBracket(); write(OR); final List operands = sort(desc.getOperands()); final int size = operands.size(); if (size > 0) { final int indent = getIndent(); write(operands.get(0)); for (int i = 1; i < size; i++) { writeln(); writeIndent(indent); write(operands.get(i)); } } writeCloseBracket(); } @Override public void visit(OWLObjectComplementOf desc) { writeOpenBracket(); write(NOT); write(desc.getOperand()); writeCloseBracket(); } @Override public void visit(OWLObjectSomeValuesFrom desc) { writeOpenBracket(); write(SOME); write(desc.getProperty()); write(desc.getFiller()); writeCloseBracket(); } @Override public void visit(OWLObjectAllValuesFrom desc) { writeOpenBracket(); write(ALL); write(desc.getProperty()); write(desc.getFiller()); writeCloseBracket(); } @Override public void visit(OWLObjectHasValue desc) {} @Override public void visit(OWLObjectMinCardinality desc) { writeOpenBracket(); write(AT_LEAST); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLObjectExactCardinality desc) { writeOpenBracket(); write(EXACTLY); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLObjectMaxCardinality desc) { writeOpenBracket(); write(AT_MOST); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLObjectHasSelf desc) {} @Override public void visit(OWLObjectOneOf desc) {} @Override public void visit(OWLDataSomeValuesFrom desc) { writeOpenBracket(); write(SOME); write(desc.getProperty()); write(desc.getFiller()); writeCloseBracket(); } @Override public void visit(OWLDataAllValuesFrom desc) { writeOpenBracket(); write(ALL); write(desc.getProperty()); write(desc.getFiller()); writeCloseBracket(); } @Override public void visit(OWLDataHasValue desc) {} @Override public void visit(OWLDataMinCardinality desc) { writeOpenBracket(); write(AT_LEAST); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLDataExactCardinality desc) { writeOpenBracket(); write(EXACTLY); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLDataMaxCardinality desc) { writeOpenBracket(); write(AT_MOST); write(desc.getCardinality()); write(desc.getProperty()); if (desc.isQualified()) { write(desc.getFiller()); } writeCloseBracket(); } @Override public void visit(OWLDatatype node) {} @Override public void visit(OWLDataComplementOf node) {} @Override public void visit(OWLDataOneOf node) {} @Override public void visit(OWLDatatypeRestriction node) {} @Override public void visit(OWLLiteral node) { write(node.getLiteral()); } @Override public void visit(OWLFacetRestriction node) {} @Override public void visit(OWLObjectProperty property) { write(property.getIRI()); } @Override public void visit(OWLObjectInverseOf property) { writeOpenBracket(); write(INVERSE); writeSpace(); property.getInverse().accept(this); writeCloseBracket(); } @Override public void visit(OWLDataProperty property) { write(property.getIRI()); } @Override public void visit(OWLNamedIndividual individual) { write(individual.getIRI()); } @Override public void visit(OWLHasKeyAxiom axiom) {} @Override public void visit(OWLDatatypeDefinitionAxiom axiom) {} @Override public void visit(OWLSubAnnotationPropertyOfAxiom axiom) {} @Override public void visit(OWLAnnotationPropertyDomainAxiom axiom) {} @Override public void visit(OWLAnnotationPropertyRangeAxiom axiom) {} @Override public void visit(OWLDataIntersectionOf node) {} @Override public void visit(OWLDataUnionOf node) {} @Override public void visit(OWLAnnotationProperty property) {} @Override public void visit(OWLAnonymousIndividual individual) {} @Override public void visit(IRI iri) {} @Override public void visit(OWLAnnotation node) {} }




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