/**
  * Fetch the operation to transfer from the storage
  * @return OperationInterface[]
  */
 protected function getTransferableOperations()
 {
     $previousDay = new DateTime('-1 day');
     //Transfer
     $toTransfer = $this->operationManager->findByStatus(new Status(Status::CREATED));
     $toTransfer = array_merge($toTransfer, $this->operationManager->findByStatusAndBeforeUpdatedAt(new Status(Status::TRANSFER_FAILED), $previousDay));
     return $toTransfer;
 }