Submits batches to Thrift HTTP Server through Binary Protocol.

        :type batch:
            :class:`~opencensus.ext.jaeger.trace_exporter.gen.jaeger.Batch`
        :param batch: Object to emit Jaeger spans.

def emit(self, batch):
        """Submits batches to Thrift HTTP Server through Binary Protocol.

        :type batch:
            :class:`~opencensus.ext.jaeger.trace_exporter.gen.jaeger.Batch`
        :param batch: Object to emit Jaeger spans.
        """
        try:
            self.client.submitBatches([batch])
            # it will call http_transport.flush() and
            # status code and message will be updated
            code = self.http_transport.code
            msg = self.http_transport.message
            if code >= 300 or code < 200:
                logging.error("Traces cannot be uploaded;\
                        HTTP status code: {}, message {}".format(code, msg))
        except Exception as e:  # pragma: NO COVER
            logging.error(getattr(e, 'message', e))

        finally:
            if self.http_transport.isOpen():
                self.http_transport.close()