Engine::setAccess

public function setAccess(array $accessParams)
{
	$connection = MainApplication::getInstance()->getConnection();
	$connection->startTransaction();
	try
	{
		Option::set("rest", "service_client_id", $accessParams["client_id"]);
		Option::set("rest", "service_client_secret", $accessParams["client_secret"]);
		$connection->commitTransaction();
	}
	catch (MainArgumentNullException $e)
	{
		$connection->rollbackTransaction();
	}

	$this->client = null;
}