openclean.data.store.mem module
In-memory implementation for the object store interface.
- class openclean.data.store.mem.VolatileDataStore
Bases:
openclean.data.store.base.DataStoreThe in-memory object store maintains all objects in a dictionary in main memory.
- delete_object(object_id: str) bool
Remove the object with the given identifier. Raises a KeyError if the object identifier is unknown.
- Parameters
object_id (string) – Unique object identifier.
- Raises
KeyError –
- read_object(object_id: str) Any
Get the serialized object that is identified by the given object id. Raises a KeyError if the referenced object does not exist.
- Parameters
object_id (string) – Unique object identifier.
- Return type
any
- Raises
KeyError –
- write_object(object: Any, object_id: Optional[str] = None) str
Store an object in the repository. Replaces an eventually existing object if the object identifier is given. Returns the unique object identifier.
- Parameters
object (any) – Dictionary serialization for an object.
object_id (str, default=None) – Optional identifier for the stored object. If not given, a unique identifier will be generated.
- Return type
string