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# Copyright 2023 Ericsson Software Technology
#
# 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 neutron_lib.objects import common_types
from neutron.db.models import port_hints
from neutron.objects import base
@base.NeutronObjectRegistry.register
class PortHints(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = port_hints.PortHints
primary_keys = ['port_id']
fields = {
'port_id': common_types.UUIDField(),
'hints': common_types.DictOfMiscValuesField(),
}
foreign_keys = {'Port': {'port_id': 'id'}}
@classmethod
def modify_fields_to_db(cls, fields):
result = super(PortHints, cls).modify_fields_to_db(fields)
if 'hints' in result:
# dump field into string, set '' if empty '{}' or None
result['hints'] = (
cls.filter_to_json_str(result['hints'], default=''))
return result
@classmethod
def modify_fields_from_db(cls, db_obj):
fields = super(PortHints, cls).modify_fields_from_db(db_obj)
if 'hints' in fields:
# load string from DB into dict, set None if hints is ''
fields['hints'] = (
cls.load_json_from_str(fields['hints']))
return fields
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