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# Copyright 2015 Intel Corp.
#
# 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.
"""Heat common internal object model"""
import weakref
from oslo_versionedobjects import base as ovoo_base
class HeatObjectRegistry(ovoo_base.VersionedObjectRegistry):
pass
class HeatObject(ovoo_base.VersionedObject):
OBJ_PROJECT_NAMESPACE = 'heat'
VERSION = '1.0'
@property
def _context(self):
if self._contextref is None:
return
ctxt = self._contextref()
assert ctxt is not None, "Need a reference to the context"
return ctxt
@_context.setter
def _context(self, context):
if context:
self._contextref = weakref.ref(context)
else:
self._contextref = None
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