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<?php
/**
* TMasterSlaveDbTransaction class file.
*
* @author Yves Berkholz <godzilla80[at]gmx[dot]net>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2010 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Testing.Data.Distributed.MasterSlave
*/
Prado::using('System.Data.TDbTransaction');
/**
* TMasterSlaveDbTransaction class
*
* IMPORTANT!!!
* BETA Version - Use with care and NOT in production environment (only tested with MySql)
*
* TMasterSlaveDbTransaction represents a DB transaction in master/slave senario.
*
* @author Yves Berkholz <godzilla80[at]gmx[dot]net>
* @version $Id$
* @package System.Testing.Data.Distributed.MasterSlave
* @since 4.0
*/
class TMasterSlaveDbTransaction extends TDbTransaction
{
/**
* @var boolean
*/
private $_compatible = false;
/**
* Constructor.
* @param TDbConnection the connection associated with this transaction
* @see TDbConnection::beginTransaction
*/
public function __construct(TDbConnection $connection)
{
if($connection instanceof ISlaveDbConnection)
{
$this->_compatible = true;
$master = $connection->getMasterConnection();
$master->setForceMaster(TMasterSlaveDbConnectionForceMaster::ON_TRANSACTION);
Prado::log('contstuct, ForceMaster: ON_TRANSACTION', TLogger::DEBUG, 'System.Testing.Data.Distributed.MasterSlave.TMasterSlaveDbTransaction');
parent::__construct($master);
}
else
{
if($connection instanceof IMasterSlaveDbConnection)
{
$this->_compatible = true;
$connection->setForceMaster(TMasterSlaveDbConnectionForceMaster::ON_TRANSACTION);
Prado::log('contstuct, ForceMaster: ON_TRANSACTION', TLogger::DEBUG, 'System.TestingData.Distributed.MasterSlave.TMasterSlaveDbTransaction');
}
parent::__construct($connection);
}
}
/**
* Commits a transaction.
* @throws TDbException if the transaction or the DB connection is not active.
*/
public function commit()
{
if($this->_compatible) $this->getConnection()->setForceMaster(TMasterSlaveDbConnectionForceMaster::OFF_AUTOMATIC);
Prado::log('commit, ForceMaster: OFF_AUTOMATIC', TLogger::DEBUG, 'System.Testing.Data.Distributed.MasterSlave.TMasterSlaveDbTransaction');
parent::commit();
}
/**
* Rolls back a transaction.
* @throws TDbException if the transaction or the DB connection is not active.
*/
public function rollback()
{
if($this->_compatible) $this->getConnection()->setForceMaster(TMasterSlaveDbConnectionForceMaster::OFF_AUTOMATIC);
Prado::log('rollback, ForceMaster: OFF_AUTOMATIC', TLogger::DEBUG, 'System.Testing.Data.Distributed.MasterSlave.TMasterSlaveDbTransaction');
parent::rollback();
}
}
?>
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