/**
* Copyright (c) 2002-2011 "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 Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero 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 org.apache.lucene.document.Document;
public class HitsIterator extends AbstractIndexHits<Document>
{
private final int size;
private final Hits hits;
private int index;
public HitsIterator( Hits hits )
{
this.size = hits.length();
this.hits = hits;
}
@Override
protected Document fetchNextOrNull()
{
int i = index++;
try
{
return i < size() ? hits.doc( i ) : null;
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
}
public float currentScore()
{
int i = index-1;
try
{
return i >= 0 && i < size() ? hits.score( i ) : -1;
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
}
public int size()
{
return this.size;
}
}