/**
* 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.index.impl.lucene;
import java.util.Iterator;
import org.neo4j.graphdb.index.IndexHits;
import org.neo4j.helpers.collection.IteratorUtil;
import org.neo4j.helpers.collection.PrefetchingIterator;
//TODO this is generic and should move out of the Lucene - component
public abstract class AbstractIndexHits<T> extends PrefetchingIterator<T> implements IndexHits<T>
{
public Iterator<T> iterator()
{
return this;
}
public void close()
{
}
public T getSingle()
{
try
{
return IteratorUtil.singleOrNull( (Iterator<T>) this );
}
finally
{
close();
}
}
}