/*
* Copyright (c) 2002-2009 "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.lucene;
import java.util.Map;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Field.Index;
import org.neo4j.kernel.Config;
import org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog;
import org.neo4j.kernel.impl.transaction.xaframework.XaTransaction;
/**
* A lucene XA data store for storing fulltext indexing.
* This class is public because the XA framework requires it.
*/
public class LuceneFulltextDataSource extends LuceneDataSource
{
/**
* Constructs a {@link LuceneFulltextDataSource}.
*
* @param params XA parameters
* @throws InstantiationException if the data source couldn't be
* instantiated
*/
public LuceneFulltextDataSource( Map<Object, Object> params )
throws InstantiationException
{
super( params );
}
@Override
public XaTransaction createTransaction( int identifier,
XaLogicalLog logicalLog )
{
return new LuceneFulltextTransaction( identifier, logicalLog, this );
}
@Override
protected Index getIndexStrategy( String key, Object value )
{
return Index.ANALYZED;
}
@Override
protected String getDeleteDocumentsKey()
{
return LuceneFulltextIndexService.DOC_INDEX_SOURCE_KEY;
}
@Override
protected void fillDocument( Document document, long nodeId, String key,
Object value )
{
super.fillDocument( document, nodeId, key, value );
document.add( new Field(
LuceneFulltextIndexService.DOC_INDEX_SOURCE_KEY, value.toString(),
Field.Store.NO, Field.Index.NOT_ANALYZED ) );
}
@Override
protected void configureLog( Map<?,?> config )
{
if ( shouldKeepLog( (String) config.get( Config.KEEP_LOGICAL_LOGS ), "lucene-fulltext" ) )
{
getLogicalLog().setKeepLogs( true );
}
}
}