/**
* 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 java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;
import org.neo4j.helpers.Pair;
import org.neo4j.kernel.impl.cache.LruCache;
/**
* An Lru Cache for Lucene Index searchers.
*
* @see LuceneDataSource
*/
public class IndexSearcherLruCache extends LruCache<IndexIdentifier, Pair<IndexReference, AtomicBoolean>>
{
/**
* Creates a LRU cache. If <CODE>maxSize < 1</CODE> an
* IllegalArgumentException is thrown.
*
* @param maxSize maximum size of this cache
*/
public IndexSearcherLruCache( int maxSize )
{
super( "IndexSearcherCache", maxSize );
}
@Override
public void elementCleaned( Pair<IndexReference, AtomicBoolean> searcher )
{
try
{
searcher.first().dispose( true );
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
}
}