def is_valid()

in skywalking/trace/carrier.py [0:0]


    def is_valid(self):
        # type: () -> bool
        return len(self.trace_id) > 0 and \
               len(self.segment_id) > 0 and \
               len(self.service) > 0 and \
               len(self.service_instance) > 0 and \
               len(self.endpoint) > 0 and \
               len(self.client_address) > 0 and \
               self.span_id.isnumeric()