text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for
  # license information.
  #
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is
  # regenerated.
  # --------------------------------------------------------------------------
  
  from .sub_resource_py3 import SubResource
  
  
  class ExpressRouteCircuitConnection(SubResource):
      """Express Route Circuit Connection in an ExpressRouteCircuitPeering resource.
  
      Variables are only populated by the server, and will be ignored when
      sending a request.
  
      :param id: Resource ID.
      :type id: str
      :param express_route_circuit_peering: Reference to Express Route Circuit
       Private Peering Resource of the circuit initiating connection.
      :type express_route_circuit_peering:
       ~azure.mgmt.network.v2018_10_01.models.SubResource
      :param peer_express_route_circuit_peering: Reference to Express Route
       Circuit Private Peering Resource of the peered circuit.
      :type peer_express_route_circuit_peering:
       ~azure.mgmt.network.v2018_10_01.models.SubResource
      :param address_prefix: /29 IP address space to carve out Customer
       addresses for tunnels.
      :type address_prefix: str
      :param authorization_key: The authorization key.
      :type authorization_key: str
      :ivar circuit_connection_status: Express Route Circuit Connection State.
       Possible values are: 'Connected' and 'Disconnected'. Possible values
       include: 'Connected', 'Connecting', 'Disconnected'
      :vartype circuit_connection_status: str or
       ~azure.mgmt.network.v2018_10_01.models.CircuitConnectionStatus
      :ivar provisioning_state: Provisioning state of the circuit connection
       resource. Possible values are: 'Succeded', 'Updating', 'Deleting', and
       'Failed'.
      :vartype provisioning_state: str
      :param name: Gets name of the resource that is unique within a resource
       group. This name can be used to access the resource.
      :type name: str
      :ivar etag: A unique read-only string that changes whenever the resource
       is updated.
      :vartype etag: str
      """
  
      _validation = {
          'circuit_connection_status': {'readonly': True},
          'provisioning_state': {'readonly': True},
          'etag': {'readonly': True},
      }
  
      _attribute_map = {
          'id': {'key': 'id', 'type': 'str'},
          'express_route_circuit_peering': {'key': 'properties.expressRouteCircuitPeering', 'type': 'SubResource'},
          'peer_express_route_circuit_peering': {'key': 'properties.peerExpressRouteCircuitPeering', 'type': 'SubResource'},
          'address_prefix': {'key': 'properties.addressPrefix', 'type': 'str'},
          'authorization_key': {'key': 'properties.authorizationKey', 'type': 'str'},
          'circuit_connection_status': {'key': 'properties.circuitConnectionStatus', 'type': 'str'},
          'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
          'name': {'key': 'name', 'type': 'str'},
          'etag': {'key': 'etag', 'type': 'str'},
      }
  
      def __init__(self, *, id: str=None, express_route_circuit_peering=None, peer_express_route_circuit_peering=None, address_prefix: str=None, authorization_key: str=None, name: str=None, **kwargs) -> None:
          super(ExpressRouteCircuitConnection, self).__init__(id=id, **kwargs)
          self.express_route_circuit_peering = express_route_circuit_peering
          self.peer_express_route_circuit_peering = peer_express_route_circuit_peering
          self.address_prefix = address_prefix
          self.authorization_key = authorization_key
          self.circuit_connection_status = None
          self.provisioning_state = None
          self.name = name
          self.etag = None
  