/*
 *  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.
 *
 *  See the NOTICE file distributed with this work for additional
 *  information regarding copyright ownership.
 */

package org.topbraid.shacl.util;

import org.apache.jena.enhanced.EnhGraph;
import org.apache.jena.enhanced.Implementation;
import org.apache.jena.graph.Node;
import org.apache.jena.vocabulary.RDF;

/**
 * Extended polymorphism support for Jena, checking whether the Node
 * has a given rdf:type. 
 * 
 * @author Holger Knublauch
 */
public abstract class ImplementationByType extends Implementation {

	private final Node type;


	public ImplementationByType(Node type) {
		this.type = type;
	}


	@Override
	public boolean canWrap(Node node, EnhGraph eg) {
		return eg.asGraph().contains(node, RDF.type.asNode(), type);
	}
}
