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ARQ is a SPARQL 1.1 query engine for Apache Jena

There is a newer version: 5.2.0

/*
 * 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 org.apache.jena.sparql.path;

import org.apache.jena.graph.Node ;
import org.apache.jena.sparql.core.TriplePath ;
import org.apache.jena.sparql.engine.ExecutionContext ;
import org.apache.jena.sparql.engine.QueryIterator ;
import org.apache.jena.sparql.engine.binding.Binding ;
import org.apache.jena.sparql.engine.iterator.QueryIterPath ;
import org.apache.jena.sparql.engine.iterator.QueryIterSingleton ;
import org.apache.jena.sparql.pfunction.PFuncSimple ;

public class PathPropertyFunction extends PFuncSimple
{
    private Path path ;
    public PathPropertyFunction(Path path)
    {
        super() ;
        this.path = path ;
    }

    @Override
    public QueryIterator execEvaluated(Binding binding,
                                       Node subject, Node predicate, Node object,
                                       ExecutionContext execCxt)
    {
        return new QueryIterPath(new TriplePath(subject, path, object),
                                 QueryIterSingleton.create(binding, execCxt),
                                 execCxt) ;
    }
 
}