/**
* Commits the current transaction, writing any unflushed changes to the database.
* If the commit fails, the running transaction is rolled back.
*
* @throws Doctrine\DBAL\ConnectionException If the commit failed due to no active transaction or
* because the transaction was marked for rollback only.
* @throws Doctrine\ORM\OptimisticLockException If a version check on an entity that
* makes use of optimistic locking fails.
*/
public function commit()
{
try {
$this->_em->flush();
$this->_conn->commit();
} catch (Exception $e) {
$this->rollback();
throw $e;
}
}
