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Integration layer between Neo4j and Lucene, providing one possible implementation of the Index API.

There is a newer version: 5.26.1

/*
 * Copyright (c) 2002-2016 "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 .
 */
package org.neo4j.index.impl.lucene.legacy;

import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;

import java.io.Closeable;
import java.util.Collection;

import org.neo4j.index.lucene.QueryContext;

class TxDataHolder implements Closeable
{
    final LuceneLegacyIndex index;
    private TxData data;

    TxDataHolder( LuceneLegacyIndex index, TxData initialData )
    {
        this.index = index;
        this.data = initialData;
    }

    void add( EntityId entityId, String key, Object value )
    {
        this.data.add( this, entityId, key, value );
    }

    void remove( EntityId entityId, String key, Object value )
    {
        this.data.remove( this, entityId, key, value );
    }

    Collection query( Query query, QueryContext contextOrNull )
    {
        return this.data.query( this, query, contextOrNull );
    }

    Collection get( String key, Object value )
    {
        return this.data.get( this, key, value );
    }

    Collection getOrphans( String key )
    {
        return this.data.getOrphans( key );
    }

    @Override
    public void close()
    {
        this.data.close();
    }

    IndexSearcher asSearcher( QueryContext context )
    {
        return this.data.asSearcher( this, context );
    }

    void set( TxData newData )
    {
        this.data = newData;
    }
}