def do_operation_update(self, info, an_op):
        """Updates an operation using the assigned update_op_func

        Args:
           info: (:class:`endpoints_management.control.report_request.Info`): the
              info instance to update
           an_op: (:class:`endpoints_management.control.report_request.Info`):
              the info instance to update

        Return:
           `True` if desc is supported, otherwise `False`

        """
        self.update_op_func(self.metric_name, info, an_op)
Updates an operation using the assigned update_op_func

        Args:
           info: (:class:`endpoints_management.control.report_request.Info`): the
              info instance to update
           an_op: (:class:`endpoints_management.control.report_request.Info`):
              the info instance to update

        Return:
           `True` if desc is supported, otherwise `False`