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- # Copyright 2018 Huawei Technologies Co.,LTD.
- # All Rights Reserved.
- #
- # 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_log import log as logging
- from oslo_versionedobjects import base as object_base
-
- from cyborg.common import exception
- from cyborg.db import api as dbapi
- from cyborg.objects import base
- from cyborg.objects import fields as object_fields
-
-
- LOG = logging.getLogger(__name__)
-
-
- @base.CyborgObjectRegistry.register
- class Attribute(base.CyborgObject, object_base.VersionedObjectDictCompat):
- # Version 1.0: Initial version
- VERSION = '1.0'
-
- dbapi = dbapi.get_instance()
-
- fields = {
- 'id': object_fields.IntegerField(nullable=False),
- 'uuid': object_fields.UUIDField(nullable=False),
- 'deployable_id': object_fields.IntegerField(nullable=False),
- 'key': object_fields.StringField(nullable=False),
- 'value': object_fields.StringField(nullable=False)
- }
-
- def create(self, context):
- """Create a attribute record in the DB."""
- if self.deployable_id is None:
- raise exception.AttributeInvalid()
-
- values = self.obj_get_changes()
- db_attr = self.dbapi.attribute_create(context,
- values)
- self._from_db_object(self, db_attr)
-
- @classmethod
- def get(cls, context, uuid):
- """Find a DB attribute and return an Obj Deployable."""
- db_attr = cls.dbapi.attribute_get(context, uuid)
- obj_attr = cls._from_db_object(cls(context), db_attr)
- return obj_attr
-
- @classmethod
- def get_by_deployable_id(cls, context, deployable_id):
- """Get a attribute by deployable_id"""
- db_attr = cls.dbapi.attribute_get_by_deployable_id(context,
- deployable_id)
- return cls._from_db_object_list(db_attr, context)
-
- @classmethod
- def get_by_filter(cls, context, filters):
- """Get a attribute by specified filters"""
- db_attr = cls.dbapi.attribute_get_by_filter(context, filters)
- return cls._from_db_object_list(db_attr, context)
-
- def save(self, context):
- """Update a attribute record in the DB."""
- updates = self.obj_get_changes()
- db_attr = self.dbapi.attribute_update(context,
- self.uuid,
- self.key,
- self.value)
- self._from_db_object(self, db_attr)
-
- def destroy(self, context):
- """Delete a attribute from the DB."""
- self.dbapi.attribute_delete(context, self.uuid)
- self.obj_reset_changes()
-
- def set_key_value_pair(self, set_key, set_value):
- self.key = set_key
- self.value = set_value
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