/*
 * 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
 *
 *   https://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.
 *
 *   SPDX-License-Identifier: Apache-2.0
 */

package org.apache.jena.sparql.path ;

import org.apache.jena.graph.Node ;
import org.apache.jena.sparql.util.Iso ;
import org.apache.jena.sparql.util.NodeIsomorphismMap ;

public class P_ReverseLink extends P_Path0 {
    public P_ReverseLink(Node n) {
        super(n) ;
    }

    @Override
    public boolean isForward() {
        return false ;
    }

    @Override
    public void visit(PathVisitor visitor) {
        visitor.visit(this) ;
    }

    @Override
    public boolean equalTo(Path path2, NodeIsomorphismMap isoMap) {
        if ( path2 instanceof P_ReverseLink other )
            return Iso.nodeIso(node, other.node, isoMap) ;
        return false ;
    }

    @Override
    public int hashCode() {
        return node.hashCode() ^ hashRevLink ;
    }
}
