# -*- coding: utf-8 -*-
#
# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Wrappers for protocol buffer enum types."""

import enum


class Span(object):
    class TimeEvent(object):
        class MessageEvent(object):
            class Type(enum.IntEnum):
                """
                Indicates whether the message was sent or received.

                Attributes:
                  TYPE_UNSPECIFIED (int): Unknown event type.
                  SENT (int): Indicates a sent message.
                  RECEIVED (int): Indicates a received message.
                """
                TYPE_UNSPECIFIED = 0
                SENT = 1
                RECEIVED = 2

    class Link(object):
        class Type(enum.IntEnum):
            """
            The relationship of the current span relative to the linked span: child,
            parent, or unspecified.

            Attributes:
              TYPE_UNSPECIFIED (int): The relationship of the two spans is unknown.
              CHILD_LINKED_SPAN (int): The linked span is a child of the current span.
              PARENT_LINKED_SPAN (int): The linked span is a parent of the current span.
            """
            TYPE_UNSPECIFIED = 0
            CHILD_LINKED_SPAN = 1
            PARENT_LINKED_SPAN = 2
