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AbstractIndexHits.java
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AbstractIndexHits.java
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/*
* Copyright (c) 2002-2015 "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.lucene.legacy;
import java.util.Iterator;
import org.neo4j.graphdb.ResourceIterator;
import org.neo4j.graphdb.index.IndexHits;
import org.neo4j.helpers.collection.IteratorUtil;
import org.neo4j.helpers.collection.PrefetchingIterator;
public abstract class AbstractIndexHits<T> extends PrefetchingIterator<T> implements IndexHits<T>
{
@Override
public ResourceIterator<T> iterator()
{
return this;
}
@Override
public void close()
{ // Nothing to close by default
}
@Override
public T getSingle()
{
try
{
return IteratorUtil.singleOrNull( (Iterator<T>) this );
}
finally
{
close();
}
}
}