StoredMemoryItemInfo

class lsst.daf.butler.datastores.inMemoryDatastore.StoredMemoryItemInfo(timestamp: float, storageClass: StorageClass, parentID: UUID, dataset_id: UUID)

Bases: StoredDatastoreItemInfo

Internal InMemoryDatastore Metadata associated with a stored DatasetRef.

Attributes Summary

dataset_id	DatasetId associated with this record.
parentID	ID of the parent DatasetRef if this entry is a concrete composite.
storageClass	StorageClass associated with the dataset.
timestamp	Unix timestamp indicating the time the dataset was stored.

Methods Summary

file_location(factory)	Return the location of artifact.
from_record(record)	Create instance from database record.
to_record()	Convert record contents to a dictionary.
update(**kwargs)	Create a new class with everything retained apart from the specified values.

Attributes Documentation

dataset_id: UUID

DatasetId associated with this record.

parentID: UUID

ID of the parent DatasetRef if this entry is a concrete composite. Not used if the dataset being stored is not a virtual component of a composite

storageClass: StorageClass

StorageClass associated with the dataset.

timestamp: float

Unix timestamp indicating the time the dataset was stored.

Methods Documentation

file_location(factory: LocationFactory) → Location

Return the location of artifact.

Parameters:

factoryLocationFactory

Factory relevant to the datastore represented by this item.

Returns:

locationLocation

The location of the item within this datastore.

classmethod from_record(record: Mapping[str, Any]) → StoredDatastoreItemInfo

Create instance from database record.

Parameters:

recorddict

The record associated with this item.

Returns:

infoinstance of the relevant type.

The newly-constructed item corresponding to the record.

to_record() → Dict[str, Any]

Convert record contents to a dictionary.

update(**kwargs: Any) → StoredDatastoreItemInfo

Create a new class with everything retained apart from the specified values.