text: #    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
  #
  #         http://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.
  
  from oslo_versionedobjects import base as obj_base
  from oslo_versionedobjects import fields as obj_fields
  
  from neutron.db import segments_db as segment_model
  from neutron.objects import base
  
  
  @obj_base.VersionedObjectRegistry.register
  class NetworkSegment(base.NeutronDbObject):
      # Version 1.0: Initial version
      VERSION = '1.0'
  
      db_model = segment_model.NetworkSegment
  
      fields = {
          'id': obj_fields.UUIDField(),
          'network_id': obj_fields.UUIDField(),
          'name': obj_fields.StringField(),
          'network_type': obj_fields.StringField(),
          'physical_network': obj_fields.StringField(nullable=True),
          'segmentation_id': obj_fields.IntegerField(nullable=True),
          'is_dynamic': obj_fields.BooleanField(default=False),
          'segment_index': obj_fields.IntegerField(default=0)
      }
  
      foreign_keys = {'Network': {'network_id': 'id'}}
  