/*
 * 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.algebra.op;

import org.apache.jena.sparql.algebra.Op ;
import org.apache.jena.sparql.algebra.OpVisitor ;
import org.apache.jena.sparql.algebra.Transform ;
import org.apache.jena.sparql.core.TriplePath ;
import org.apache.jena.sparql.sse.Tags ;
import org.apache.jena.sparql.util.Iso ;
import org.apache.jena.sparql.util.NodeIsomorphismMap ;

public class OpPath extends Op0
{
    private TriplePath triplePath ;

//    public OpPath(Node start, Path path, Node end)
//    {
//        this.subject = start ;
//        this.path = path ;
//        this.object = object ;
//    }
    
    public OpPath(TriplePath triplePath)
    {
        this.triplePath = triplePath ;
    }
    
    public TriplePath getTriplePath()   { return triplePath ; }

    @Override
    public String getName()     { return Tags.tagPath ; }

    @Override
    public Op apply(Transform transform)
    { return transform.transform(this) ; }

    @Override
    public Op0 copy()    { return new OpPath(triplePath) ; }

    @Override
    public boolean equalTo(Op other, NodeIsomorphismMap isoMap)
    {
        if ( ! (other instanceof OpPath) ) return false ;
        OpPath p = (OpPath)other ;
        return  Iso.triplePathIso(triplePath, p.triplePath, isoMap) ;
    }

    @Override
    public int hashCode()
    {
        return triplePath.hashCode() ;
    }

    @Override
    public void visit(OpVisitor opVisitor)
    { opVisitor.visit(this) ; }

}
