Doctrine\Common\Cache\RiakCache::doDelete PHP Метод

    protected function doDelete($id)
    {
        try {
            $this->bucket->delete($id);
            return true;
        } catch (Exception\BadArgumentsException $e) {
            // Key did not exist on cluster already
        } catch (Exception\RiakException $e) {
            // Covers:
            // - Riak\Exception\ConnectionException
            // - Riak\Exception\CommunicationException
            // - Riak\Exception\UnexpectedResponseException
        }
        return false;
    }