67 lines
2.4 KiB
Python
67 lines
2.4 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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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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import collections
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from murano.dsl import dsl_types
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class AttributeStore(object):
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def __init__(self):
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self._attributes = collections.defaultdict(lambda: {})
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@staticmethod
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def _get_attribute_key(tagged_object, owner_type, name):
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if isinstance(owner_type, dsl_types.MuranoTypeReference):
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owner_type = owner_type.type
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if isinstance(tagged_object, dsl_types.MuranoObjectInterface):
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tagged_object = tagged_object.object
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return tagged_object.object_id, (owner_type.name, name)
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def get(self, tagged_object, owner_type, name):
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key1, key2 = self._get_attribute_key(tagged_object, owner_type, name)
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return self._attributes[key1].get(key2)
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def set(self, tagged_object, owner_type, name, value):
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if isinstance(value, dsl_types.MuranoObjectInterface):
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value = value.id
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elif isinstance(value, dsl_types.MuranoObject):
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value = value.object_id
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key1, key2 = self._get_attribute_key(tagged_object, owner_type, name)
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if value is None:
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self._attributes[key1].pop(key2, None)
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else:
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self._attributes[key1][key2] = value
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def serialize(self, known_objects):
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return [
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[key1, key2[0], key2[1], value]
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for key1, inner in self._attributes.items()
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for key2, value in inner.items()
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if key1 in known_objects
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]
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def load(self, data):
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for item in data:
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if item[3] is not None:
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self._attributes[item[0]][(item[1], item[2])] = item[3]
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def forget_object(self, obj):
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if isinstance(obj, dsl_types.MuranoObjectInterface):
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obj = obj.id
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elif isinstance(obj, dsl_types.MuranoObject):
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obj = obj.object_id
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self._attributes.pop(obj, None)
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