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#
# 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.
"""StackTag object."""
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from heat.db import api as db_api
from heat.objects import base as heat_base
class StackTag(
heat_base.HeatObject,
base.VersionedObjectDictCompat,
base.ComparableVersionedObject,
):
fields = {
'id': fields.IntegerField(),
'tag': fields.StringField(nullable=True),
'stack_id': fields.StringField(),
'created_at': fields.DateTimeField(read_only=True),
'updated_at': fields.DateTimeField(nullable=True),
}
@staticmethod
def _from_db_object(context, tag, db_tag):
"""Method to help with migration to objects.
Converts a database entity to a formal object.
"""
if db_tag is None:
return None
for field in tag.fields:
tag[field] = db_tag[field]
tag.obj_reset_changes()
return tag
@classmethod
def get_obj(cls, context, tag):
return cls._from_db_object(cls(context), tag)
class StackTagList(
heat_base.HeatObject,
base.ObjectListBase,
):
fields = {
'objects': fields.ListOfObjectsField('StackTag'),
}
def __init__(self, *args, **kwargs):
self._changed_fields = set()
super(StackTagList, self).__init__()
@classmethod
def get(cls, context, stack_id):
db_tags = db_api.stack_tags_get(context, stack_id)
if db_tags:
return base.obj_make_list(context, cls(), StackTag, db_tags)
@classmethod
def set(cls, context, stack_id, tags):
db_tags = db_api.stack_tags_set(context, stack_id, tags)
if db_tags:
return base.obj_make_list(context, cls(), StackTag, db_tags)
@classmethod
def delete(cls, context, stack_id):
db_api.stack_tags_delete(context, stack_id)
@classmethod
def from_db_object(cls, context, db_tags):
if db_tags is not None:
return base.obj_make_list(context, cls(), StackTag, db_tags)
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