Current File : /home/admin/public_html/old/libraries/rokcommon/Doctrine/Transaction/Mssql.php
<?php
/*
* $Id: Mssql.php 10831 2013-05-29 19:32:17Z btowles $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
/**
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @package Doctrine
* @subpackage Transaction
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 7490 $
*/
class Doctrine_Transaction_Mssql extends Doctrine_Transaction
{
/**
* Set the transacton isolation level.
*
* @param string standard isolation level (SQL-92)
* portable modes:
* READ UNCOMMITTED (allows dirty reads)
* READ COMMITTED (prevents dirty reads)
* REPEATABLE READ (prevents nonrepeatable reads)
* SERIALIZABLE (prevents phantom reads)
* mssql specific modes:
* SNAPSHOT
*
* @link http://msdn2.microsoft.com/en-us/library/ms173763.aspx
* @throws PDOException if something fails at the PDO level
* @throws Doctrine_Transaction_Exception if using unknown isolation level or unknown wait option
* @return void
*/
public function setIsolation($isolation, $options = array()) {
switch ($isolation) {
case 'READ UNCOMMITTED':
case 'READ COMMITTED':
case 'REPEATABLE READ':
case 'SERIALIZABLE':
case 'SNAPSHOT':
break;
default:
throw new Doctrine_Transaction_Exception('isolation level is not supported: ' . $isolation);
}
$query = 'SET TRANSACTION ISOLATION LEVEL ' . $isolation;
$this->conn->execute($query);
}
/**
* Performs the rollback.
*/
protected function _doRollback()
{
$this->conn->getDbh()->exec('ROLLBACK TRANSACTION');
}
/**
* Performs the commit.
*/
protected function _doCommit()
{
$this->conn->getDbh()->exec('COMMIT TRANSACTION');
}
/**
* Begins a database transaction.
*/
protected function _doBeginTransaction()
{
$this->conn->getDbh()->exec('BEGIN TRANSACTION');
}
}