text: # Copyright 2014 Hewlett-Packard Development Company, L.P.
  #
  # Author: Endre Karlson <endre.karlson@hpe.com>
  #
  # 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 designate.objects import base
  from designate.objects import fields
  
  
  @base.DesignateRegistry.register
  class ZoneAttribute(base.DictObjectMixin, base.PersistentObjectMixin,
                      base.DesignateObject):
      fields = {
          'zone_id': fields.UUIDFields(nullable=True),
          'key': fields.StringFields(maxLength=50, nullable=False),
          'value': fields.StringFields(maxLength=50, nullable=False)
      }
  
      STRING_KEYS = [
          'id', 'key', 'value', 'zone_id'
      ]
  
  
  @base.DesignateRegistry.register
  class ZoneAttributeList(base.AttributeListObjectMixin, base.DesignateObject):
      LIST_ITEM_TYPE = ZoneAttribute
  
      fields = {
          'objects': fields.ListOfObjectsField('ZoneAttribute'),
      }
  