/*
* 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
//==============================================================================
}