/**
* Copyright (c) 2002-2014 "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.index.impl.lucene;
import org.neo4j.graphdb.Node;
import org.neo4j.test.OtherThreadExecutor.WorkerCommand;
public class PutIfAbsentCommand implements WorkerCommand<CommandState, Node>
{
private final String key;
private final Object value;
private final Node node;
public PutIfAbsentCommand( Node node, String key, Object value )
{
this.node = node;
this.key = key;
this.value = value;
}
@Override
public Node doWork( CommandState state )
{
return state.index.putIfAbsent( node, key, value );
}
}