public function closeAction(Event $event)
{
$closeEvent = new Event();
$closeEvent->setIdentifier($event->getIdentifier());
$closeEvent->setSystem($event->getSystem());
$closeEvent->setStatus('success');
$closeEvent->setMessage('manually closed');
$em = $this->getDoctrine()->getEntityManager();
$em->persist($closeEvent);
$em->flush();
return $this->redirect($this->generateUrl("bauer_incident_dashboard_core_admin"));
}