/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 /////////////// package org.apache.jena.ontology.impl; // Imports /////////////// import org.apache.jena.enhanced.* ; import org.apache.jena.graph.Node ; import org.apache.jena.ontology.* ; import org.apache.jena.rdf.model.* ; /** * <p> * Implementation of qualied restrictions. * </p> */ public class QualifiedRestrictionImpl extends RestrictionImpl implements QualifiedRestriction { // Constants ////////////////////////////////// // Static variables ////////////////////////////////// /** * A factory for generating QualifiedRestriction facets from nodes in enhanced graphs. * Note: should not be invoked directly by user code: use * {@link org.apache.jena.rdf.model.RDFNode#as as()} instead. */ @SuppressWarnings("hiding") public static Implementation factory = new Implementation() { @Override public EnhNode wrap( Node n, EnhGraph eg ) { if (canWrap( n, eg )) { return new QualifiedRestrictionImpl( n, eg ); } else { throw new ConversionException( "Cannot convert node " + n + " to QualifiedRestriction"); } } @Override public boolean canWrap( Node node, EnhGraph eg ) { return isValidQualifiedRestriction( node, eg ); } }; private static boolean isValidQualifiedRestriction( Node node, EnhGraph eg ) { // node will support being a QualifiedRestriction facet if it has rdf:type owl:Restriction or equivalent Profile profile = (eg instanceof OntModel) ? ((OntModel) eg).getProfile() : null; return (profile != null) && profile.isSupported( node, eg, QualifiedRestriction.class ); } @Override public boolean isValid() { return isValidQualifiedRestriction( asNode(), getGraph() ); } // Instance variables ////////////////////////////////// // Constructors ////////////////////////////////// /** * <p> * Construct a qualified restriction node represented by the given node in the given graph. * </p> * * @param n The node that represents the resource * @param g The enh graph that contains n */ public QualifiedRestrictionImpl( Node n, EnhGraph g ) { super( n, g ); } // External signature methods ////////////////////////////////// /** * <p>Assert that this qualified restriction restricts the property to have a given * cardinality and to have values belonging to the class denoted by <code>hasClassQ</code>. * Any existing statements for <code>hasClassQ</code> * will be removed.</p> * @param cls The class to which all of the value of the restricted property must belong * @exception ProfileException If the {@link Profile#HAS_CLASS_Q()} property is not supported in the current language profile. */ @Override public void setHasClassQ( OntClass cls ) { setPropertyValue( getProfile().HAS_CLASS_Q(), "HAS_CLASS_Q", cls ); } /** * <p>Answer the class or datarnage to which all values of the restricted property belong.</p> * @return The ontology class of the restricted property values * @exception ProfileException If the {@link Profile#HAS_CLASS_Q()} property is not supported in the current language profile. */ @Override public OntResource getHasClassQ() { checkProfile( getProfile().HAS_CLASS_Q(), "HAS_CLASS_Q" ); Resource r = getProperty( getProfile().HAS_CLASS_Q() ).getResource(); if (r.canAs( OntClass.class )) { return r.as( OntClass.class ); } else if (r.canAs( DataRange.class )) { return r.as( DataRange.class ); } else { return r.as( OntResource.class ); } } /** * <p>Answer true if this qualified property restriction has the given class as * the class to which all of the property values must belong.</p> * @param cls The class to test against * @return True if the given class is the class to which all members of this restriction must belong * @exception ProfileException If the {@link Profile#HAS_CLASS_Q()} property is not supported in the current language profile. */ @Override public boolean hasHasClassQ( OntClass cls ) { return hasPropertyValue( getProfile().HAS_CLASS_Q(), "HAS_CLASS_Q", cls ); } /** * <p>Answer true if this qualified property restriction has the given datarange as * the class to which all of the property values must belong.</p> * @param dr The datarange to test against * @return True if the given class is the class to which all members of this restriction must belong * @exception ProfileException If the {@link Profile#HAS_CLASS_Q()} property is not supported in the current language profile. */ @Override public boolean hasHasClassQ( DataRange dr ) { return hasPropertyValue( getProfile().HAS_CLASS_Q(), "HAS_CLASS_Q", dr ); } /** * <p>Remove the statement that this restriction has the given class * as the class to which all values must belong. If this statement * is not true of the current model, nothing happens.</p> * @param cls The ont class that is the object of the <code>hasClassQ</code> property. */ @Override public void removeHasClassQ( OntClass cls ) { Property has_class_q = getProfile().HAS_CLASS_Q(); removePropertyValue( has_class_q, "HAS_CLASS_Q", cls ); } /** * <p>Remove the statement that this restriction has the given datarange * as the class to which all values must belong. If this statement * is not true of the current model, nothing happens.</p> * @param dr The datarange that is the object of the <code>hasClassQ</code> property. */ @Override public void removeHasClassQ( DataRange dr ) { removePropertyValue( getProfile().HAS_CLASS_Q(), "HAS_CLASS_Q", dr ); } // Internal implementation methods ////////////////////////////////// //============================================================================== // Inner class definitions //============================================================================== }