/**
  * Build all resolutions for all images
  */
 public function buildAllItemResolutionsAction()
 {
     $itemRepository = $this->objectManager->get('Tx_Yag_Domain_Repository_ItemRepository');
     /* @var $itemRepository Tx_Yag_Domain_Repository_ItemRepository */
     $items = $itemRepository->findAll();
     foreach ($items as $item) {
         $this->resolutionFileCache->buildAllResolutionFilesForItem($item);
     }
 }