org.topbraid.shacl.arq.functions.IsInTargetOfFunction Maven / Gradle / Ivy
/*
* 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.arq.functions;
import org.apache.jena.graph.Node;
import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.sparql.expr.NodeValue;
import org.apache.jena.sparql.function.FunctionEnv;
import org.topbraid.jenax.functions.AbstractFunction2;
import org.topbraid.shacl.model.SHFactory;
import org.topbraid.shacl.model.SHShape;
/**
* The function tosh:isInTargetOf.
*
* @author Holger Knublauch
*/
public class IsInTargetOfFunction extends AbstractFunction2 {
@Override
protected NodeValue exec(Node nodeNode, Node shapeNode, FunctionEnv env) {
Model model = ModelFactory.createModelForGraph(env.getActiveGraph());
SHShape shape = SHFactory.asShape(model.asRDFNode(shapeNode));
return NodeValue.makeBoolean(shape.hasTargetNode(model.asRDFNode(nodeNode)));
}
}