/**
  * @param ICompany $company
  * @return bool
  * @throws PolicyException
  */
 public function canAdd(ICompany $company)
 {
     $current = $this->repository->countByCompany($company->getIdentifier());
     $allowed = $company->getAllowedMarketplaceTypeInstances($this->marketplace_type_repository->getByType(IAppliance::MarketPlaceType));
     if ($current >= $allowed) {
         throw new PolicyException('ApplianceAddPolicy', sprintf('You reach the max. amount of %s (%s) per Company', "Appliances", $allowed));
     }
     return true;
 }