Interface IBaseJournalSnapshot

Namespace

OptunaSharp.Storages.Journal

Assembly

OptunaSharp.dll

Optional base interface for Journal storages. Port of BaseJournalSnapshot (a mixin class in Python; an interface in C#).

Storage classes implementing this may work faster when constructing the internal state from the large amount of logs.

public interface IBaseJournalSnapshot

Methods

LoadSnapshot()

Load snapshot from the backend, or null if not found.

byte[]? LoadSnapshot()

Returns

byte[]

Snapshot bytes, or null when no snapshot is available.

Exceptions

Exception

The snapshot backend fails to read the saved state.

SaveSnapshot(byte[])

Save snapshot to the backend.

void SaveSnapshot(byte[] snapshot)

Parameters

snapshot byte[]

Opaque serialized replay state to persist atomically according to the backend contract.

Exceptions

Exception

The snapshot backend cannot persist the bytes.