org.neo4j.kernel.impl.transaction.BaseSpringTransactionImpl Maven / Gradle / Ivy

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/**
 * Copyright (c) 2002-2013 "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.impl.transaction;

import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.InvalidTransactionException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;

import org.neo4j.kernel.GraphDatabaseAPI;

public abstract class BaseSpringTransactionImpl
{
    /*
     * The GD API reference below is used exclusively for accessing
     * the TransactionManager. It is on purpose _not_ replaced with a
     * reference to that however. In HA settings the reference passed is
     * to a HAGD which when restarted has its TM changed. If we kept a
     * reference to the TM it would be valid until the next internal
     * restart. In contrast, this way always looks up the "real"
     * reference and keeps the Spring integration working even when
     * HA master switches happen.
     */
    private final GraphDatabaseAPI neo4j;

    public BaseSpringTransactionImpl( GraphDatabaseAPI neo4j )
    {
        this.neo4j = neo4j;
    }

    private TransactionManager getTxManager()
    {
        return neo4j.getTxManager();
    }

    public void begin() throws NotSupportedException, SystemException
    {
        getTxManager().begin();
    }

    public void commit() throws RollbackException, HeuristicMixedException,
        HeuristicRollbackException, SecurityException, IllegalStateException,
        SystemException
    {
        getTxManager().commit();
    }

    public int getStatus() throws SystemException
    {
        return getTxManager().getStatus();
    }

    public Transaction getTransaction() throws SystemException
    {
        return getTxManager().getTransaction();
    }

    public void resume( Transaction tx ) throws InvalidTransactionException,
        IllegalStateException, SystemException
    {
        getTxManager().resume(tx);
    }

    public void rollback() throws IllegalStateException, SecurityException,
        SystemException
    {
        getTxManager().rollback();
    }

    public void setRollbackOnly() throws IllegalStateException, SystemException
    {
        getTxManager().setRollbackOnly();
    }

    public void setTransactionTimeout( int sec ) throws SystemException
    {
        getTxManager().setTransactionTimeout(sec);
    }

    public Transaction suspend() throws SystemException
    {
        return getTxManager().suspend();
    }
}