49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
# Copyright 2018 NTT DATA.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_utils import versionutils
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from oslo_versionedobjects import base as ovoo_base
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from tacker import objects
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def get_attrname(name):
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"""Return the mangled name of the attribute's underlying storage."""
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return '_obj_' + name
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class TackerObjectRegistry(ovoo_base.VersionedObjectRegistry):
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notification_classes = []
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def registration_hook(self, cls, index):
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# NOTE(bhagyashris): This is called when an object is registered,
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# and is responsible for maintaining tacker.objects.$OBJECT
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# as the highest-versioned implementation of a given object.
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version = versionutils.convert_version_to_tuple(cls.VERSION)
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if not hasattr(objects, cls.obj_name()):
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setattr(objects, cls.obj_name(), cls)
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else:
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cur_version = versionutils.convert_version_to_tuple(
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getattr(objects, cls.obj_name()).VERSION)
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if version >= cur_version:
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setattr(objects, cls.obj_name(), cls)
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class TackerObject(ovoo_base.VersionedObject):
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# NOTE(bhagyashris): OBJ_PROJECT_NAMESPACE needs to be set so that nova,
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# tacker, and other objects can exist on the same bus and be distinguished
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# from one another.
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OBJ_SERIAL_NAMESPACE = 'tacker_object'
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OBJ_PROJECT_NAMESPACE = 'tacker'
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