/**
  * Find a certain object
  *
  * @param string $uri UID of the object
  * @param integer $type
  * @throws \OCA\Calendar\BusinessLayer\Exception
  * @return \OCA\Calendar\IObject
  */
 public function find($uri, $type = ObjectType::ALL)
 {
     try {
         if ($this->isCachingEnabled) {
             if ($this->watcher->checkUpdate($uri)) {
                 $this->updater->propagate($uri);
             }
             return $this->cache->find($uri, $type);
         } else {
             return $this->api->find($uri, $type);
         }
     } catch (BackendUtils\Exception $ex) {
         throw Exception::fromException($ex);
     }
 }
 /**
  * @param $objectUri
  * @return null|IObject
  */
 protected function getRemoteAndDeleteIfNecessary($objectUri)
 {
     try {
         return $this->objectAPI->find($objectUri);
     } catch (DoesNotExistException $ex) {
         //$this->logger->debug($msg);
         $this->removeFromCache($objectUri);
         return null;
     } catch (MultipleObjectsReturnedException $ex) {
         //$this->logger->warn($msg);
         $this->removeFromCache($objectUri);
         return null;
     } catch (TemporarilyNotAvailableException $ex) {
         //$this->logger->debug($msg);
         return null;
     } catch (CorruptDataException $ex) {
         //$this->logger->debug($msg);
         $this->removeFromCache($objectUri);
         return null;
     }
 }