org.neo4j.kernel.PlaceboTransaction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of neo4j-kernel Show documentation

Neo4j kernel is a lightweight, embedded Java database designed to store data structured as graphs rather than tables. For more information, see http://neo4j.org.

There is a newer version: 2025.02.0

Show newest version

/*
 * 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 .
 */
package org.neo4j.kernel;

import org.neo4j.graphdb.Lock;
import org.neo4j.graphdb.PropertyContainer;
import org.neo4j.graphdb.Transaction;

/**
 * @deprecated This will be moved to internal packages in the next major release.
 */
@Deprecated
public class PlaceboTransaction implements Transaction
{
    private final TopLevelTransaction parentTransaction;
    private boolean success;

    public PlaceboTransaction( TopLevelTransaction parentTransaction )
    {
        this.parentTransaction = parentTransaction;
    }

    @Override
    public void terminate()
    {
        parentTransaction.terminate();
    }

    @Override
    public void failure()
    {
    	parentTransaction.failure();
    }

    @Override
    public void success()
    {
        success = true;
    }

    @Override
    public void close()
    {
        if ( !success && !parentTransaction.failureCalled() )
        {
            parentTransaction.failure();
        }
    }

	@Override
	public void finish()
	{
		close();
	}

	@Override
	public Lock acquireWriteLock( PropertyContainer entity )
	{
		return parentTransaction.acquireWriteLock( entity );
	}

	@Override
	public Lock acquireReadLock( PropertyContainer entity )
	{
		return parentTransaction.acquireReadLock( entity );
	}
}