public function commitTransaction($transactionId, $query = null, array $parameters = array(), $conn = null, $queryMode = self::WRITE_QUERY)
    {
        $response = $this->invoke('neo.commit_transaction', $conn)
          ->setArguments($transactionId, $query, $parameters, $this->resultDataContent, $queryMode)
          ->execute();

        return $this->handleHttpResponse($response);
    }