PerFileCheckpointStorage

class PerFileCheckpointStorage : CheckpointStorage

File-based checkpoint storage, storing checkpoints per file.

PerFileCheckpointStorage(storeDir: Path)

File-based checkpoint storage, storing checkpoints per file.

checkpoints	`val checkpoints: Iterable<Checkpoint>` Returns a snapshot of all the checkpoints in the store. This may return more checkpoints than were added to this instance of the store; for example if the store persists checkpoints to disk.
storeDir	`val storeDir: Path`

addCheckpoint	`fun addCheckpoint(checkpoint: Checkpoint): Unit` Add a new checkpoint to the store.
removeCheckpoint	`fun removeCheckpoint(checkpoint: Checkpoint): Unit` Remove existing checkpoint from the store. It is an error to attempt to remove a checkpoint which doesnt exist in the store. Doing so will throw an IllegalArgumentException.