/*
* 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.Property ;
/**
* <p>
* Implementation of a node representing a union class description.
* </p>
*/
public class UnionClassImpl
extends BooleanClassDescriptionImpl
implements UnionClass
{
// Constants
//////////////////////////////////
// Static variables
//////////////////////////////////
/**
* A factory for generating UnionClass 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 UnionClassImpl( n, eg );
}
else {
throw new ConversionException( "Cannot convert node " + n + " to UnionClass");
}
}
@Override
public boolean canWrap( Node node, EnhGraph eg ) {
// node will support being an UnionClass facet if it has rdf:type owl:Class and an owl:unionOf statement (or equivalents)
Profile profile = (eg instanceof OntModel) ? ((OntModel) eg).getProfile() : null;
Property union = (profile == null) ? null : profile.UNION_OF();
return (profile != null) &&
profile.isSupported( node, eg, OntClass.class ) &&
union != null &&
eg.asGraph().contains( node, union.asNode(), Node.ANY );
}
};
// Instance variables
//////////////////////////////////
// Constructors
//////////////////////////////////
/**
* <p>
* Construct a union class 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 UnionClassImpl( Node n, EnhGraph g ) {
super( n, g );
}
// External signature methods
//////////////////////////////////
@Override
public Property operator() {return getProfile().UNION_OF();}
@Override
public String getOperatorName() {return "UNION_OF";}
// Internal implementation methods
//////////////////////////////////
//==============================================================================
// Inner class definitions
//==============================================================================
}