heat.objects.fields module¶
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class
heat.objects.fields.Json[source]¶ Bases:
oslo_versionedobjects.fields.FieldType-
coerce(obj, attr, value)[source]¶ This is called to coerce (if possible) a value on assignment.
This method should convert the value given into the designated type, or throw an exception if this is not possible.
- Param:obj
The VersionedObject on which an attribute is being set
- Param:attr
The name of the attribute being set
- Param:value
The value being set
- Returns
A properly-typed value
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from_primitive(obj, attr, value)[source]¶ This is called to deserialize a value.
This method should deserialize a value from the form given by to_primitive() to the designated type.
- Param:obj
The VersionedObject on which the value is to be set
- Param:attr
The name of the attribute which will hold the value
- Param:value
The serialized form of the value
- Returns
The natural form of the value
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to_primitive(obj, attr, value)[source]¶ This is called to serialize a value.
This method should serialize a value to the form expected by from_primitive().
- Param:obj
The VersionedObject on which the value is set
- Param:attr
The name of the attribute holding the value
- Param:value
The natural form of the value
- Returns
The serialized form of the value
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