Class FileCheckpointStore

constructor

• new FileCheckpointStore(path: string): FileCheckpointStore

  Parameters

  • path: string

  Returns FileCheckpointStore

Readonlypath

load

• load(): Promise<StoredCheckpoint>

  The checkpoint in the file, whatever its id.

  Returns Promise<StoredCheckpoint>

read

• read(id: string): Promise<StoredCheckpoint | null>

  Parameters

  • id: string

  Returns Promise<StoredCheckpoint | null>

write

• write(checkpoint: FlowCheckpoint, expected: number | null): Promise<boolean>

  Write when the stored revision still equals expected (null: must not exist yet); false on conflict.

  Parameters

  • checkpoint: FlowCheckpoint
  • expected: number | null

  Returns Promise<boolean>