/*
* 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.* ;
import org.apache.jena.ontology.* ;
/**
* <p>
* Implementation of the max cardinality restriction abstraction.
* </p>
*/
public class MaxCardinalityRestrictionImpl
extends RestrictionImpl
implements MaxCardinalityRestriction
{
// Constants
//////////////////////////////////
// Static variables
//////////////////////////////////
/**
* A factory for generating MaxCardinalityRestriction 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 MaxCardinalityRestrictionImpl( n, eg );
}
else {
throw new ConversionException( "Cannot convert node " + n + " to MaxCardinalityRestriction");
}
}
@Override
public boolean canWrap( Node node, EnhGraph eg ) {
// node will support being a MaxCardinalityRestriction facet if it has rdf:type owl:Restriction or equivalent
// and the combination of owl:onProperty and owl:cardinality (or equivalents)
Profile profile = (eg instanceof OntModel) ? ((OntModel) eg).getProfile() : null;
return (profile != null) && profile.isSupported( node, eg, MaxCardinalityRestriction.class );
}
};
// Instance variables
//////////////////////////////////
// Constructors
//////////////////////////////////
/**
* <p>
* Construct a max cardinality 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 MaxCardinalityRestrictionImpl( Node n, EnhGraph g ) {
super( n, g );
}
// External signature methods
//////////////////////////////////
// maxCardinality
/**
* <p>Assert that this restriction restricts the property to have the given
* maximum cardinality. Any existing statements for <code>maxCardinality</code>
* will be removed.</p>
* @param cardinality The maximum cardinality of the restricted property
* @exception ProfileException If the {@link Profile#MAX_CARDINALITY()} property is not supported in the current language profile.
*/
@Override
public void setMaxCardinality( int cardinality ) {
setPropertyValue( getProfile().MAX_CARDINALITY(), "MAX_CARDINALITY", getModel().createTypedLiteral( cardinality ) );
}
/**
* <p>Answer the maximum cardinality of the restricted property.</p>
* @return The maximum cardinality of the restricted property
* @exception ProfileException If the {@link Profile#MAX_CARDINALITY()} property is not supported in the current language profile.
*/
@Override
public int getMaxCardinality() {
return objectAsInt( getProfile().MAX_CARDINALITY(), "MAX_CARDINALITY" );
}
/**
* <p>Answer true if this property restriction has the given maximum cardinality.</p>
* @param cardinality The cardinality to test against
* @return True if the given cardinality is the max cardinality of the restricted property in this restriction
* @exception ProfileException If the {@link Profile#MAX_CARDINALITY()} property is not supported in the current language profile.
*/
@Override
public boolean hasMaxCardinality( int cardinality ) {
return hasPropertyValue( getProfile().MAX_CARDINALITY(), "MAX_CARDINALITY", getModel().createTypedLiteral( cardinality ) );
}
/**
* <p>Remove the statement that this restriction has the given maximum cardinality
* for the restricted property. If this statement
* is not true of the current model, nothing happens.</p>
* @param cardinality A max cardinality value to be removed from this restriction
*/
@Override
public void removeMaxCardinality( int cardinality ) {
removePropertyValue( getProfile().MAX_CARDINALITY(), "MAX_CARDINALITY", getModel().createTypedLiteral( cardinality ) );
}
// Internal implementation methods
//////////////////////////////////
//==============================================================================
// Inner class definitions
//==============================================================================
}