/**
* Copyright (c) 2002-2013 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel;
import org.neo4j.graphdb.traversal.TraversalBranch;
class PathUnique extends AbstractUniquenessFilter
{
PathUnique( PrimitiveTypeFetcher type )
{
super( type );
}
public boolean check( TraversalBranch source )
{
long idToCompare = type.getId( source );
while ( (source = source.parent()) != null )
{
if (type.idEquals(source, idToCompare))
{
return false;
}
}
return true;
}
}