Neos\Flow\ResourceManagement\ResourceRepository::findBySha1 PHP Метод

    public function findBySha1($sha1Hash)
    {
        $query = $this->createQuery();
        $query->matching($query->equals('sha1', $sha1Hash));
        $resources = $query->execute()->toArray();
        foreach ($this->addedResources as $importedResource) {
            if ($importedResource->getSha1() === $sha1Hash) {
                $resources[] = $importedResource;
            }
        }
        return $resources;
    }

 /**
  * Deletes the given PersistentResource from the ResourceRepository and, if the storage data is no longer used in another
  * PersistentResource object, also deletes the data from the storage.
  *
  * This method will also remove the PersistentResource object from the (internal) ResourceRepository.
  *
  * @param PersistentResource $resource The resource to delete
  * @param boolean $unpublishResource If the resource should be unpublished before deleting it from the storage
  * @return boolean true if the resource was deleted, otherwise FALSE
  * @api
  */
 public function deleteResource(PersistentResource $resource, $unpublishResource = true)
 {
     $this->initialize();
     $collectionName = $resource->getCollectionName();
     $result = $this->resourceRepository->findBySha1($resource->getSha1());
     if (count($result) > 1) {
         $this->systemLogger->log(sprintf('Not removing storage data of resource %s (%s) because it is still in use by %s other PersistentResource object(s).', $resource->getFilename(), $resource->getSha1(), count($result) - 1), LOG_DEBUG);
     } else {
         if (!isset($this->collections[$collectionName])) {
             $this->systemLogger->log(sprintf('Could not remove storage data of resource %s (%s) because it refers to the unknown collection "%s".', $resource->getFilename(), $resource->getSha1(), $collectionName), LOG_WARNING);
             return false;
         }
         $storage = $this->collections[$collectionName]->getStorage();
         if (!$storage instanceof WritableStorageInterface) {
             $this->systemLogger->log(sprintf('Could not remove storage data of resource %s (%s) because it its collection "%s" is read-only.', $resource->getFilename(), $resource->getSha1(), $collectionName), LOG_WARNING);
             return false;
         }
         try {
             $storage->deleteResource($resource);
         } catch (\Exception $exception) {
             $this->systemLogger->log(sprintf('Could not remove storage data of resource %s (%s): %s.', $resource->getFilename(), $resource->getSha1(), $exception->getMessage()), LOG_WARNING);
             return false;
         }
         if ($unpublishResource) {
             /** @var TargetInterface $target */
             $target = $this->collections[$collectionName]->getTarget();
             $target->unpublishResource($resource);
             $this->systemLogger->log(sprintf('Removed storage data and unpublished resource %s (%s) because it not used by any other PersistentResource object.', $resource->getFilename(), $resource->getSha1()), LOG_DEBUG);
         } else {
             $this->systemLogger->log(sprintf('Removed storage data of resource %s (%s) because it not used by any other PersistentResource object.', $resource->getFilename(), $resource->getSha1()), LOG_DEBUG);
         }
     }
     $resource->setDeleted();
     $this->resourceRepository->remove($resource);
     return true;
 }