protected function initializeBackend($app)
{
$init = new BackendInit($this->container->get('kernel'));
$init->initialize($app);
switch ($app) {
case 'BackendAjax':
$applicationClass = 'Backend\\Core\\Engine\\Ajax';
break;
case 'BackendCronjob':
$applicationClass = 'Backend\\Core\\Engine\\Cronjob';
break;
default:
$applicationClass = 'Backend\\Core\\Engine\\Backend';
}
return $applicationClass;
}