/**
  * Create instance
  *
  * @return void
  */
 private function createInstance()
 {
     $objectManager = $this->objectManager;
     $tag = new Instance();
     $tag->setTitle('Instance 1');
     $objectManager->persist($tag);
     $objectManager->flush();
 }
 /**
  * @param Request $request
  * @return bool|Instance
  */
 protected function createInstance(Request $request)
 {
     $title = $request->get('title');
     $instance = new Instance();
     $instance->setTitle($title);
     $entityManager = $this->getDoctrine()->getManager();
     try {
         $entityManager->persist($instance);
         $entityManager->flush();
     } catch (DBALException $e) {
         return false;
     }
     return $instance;
 }