eZ\Publish\Core\Repository\RoleService::internalDeletePolicy PHP Метод

    protected function internalDeletePolicy(APIPolicy $policy)
    {
        $this->repository->beginTransaction();
        try {
            $this->userHandler->deletePolicy($policy->id);
            $this->repository->commit();
        } catch (Exception $e) {
            $this->repository->rollback();
            throw $e;
        }
    }