RDS file-based checkpointer

Persists each checkpoint as an .rds file under {dir}/{thread_id}/step_{n}.rds.

Value

list(step, state) or NULL.

State snapshot or NULL.

Character vector.

Super class

puppeteeR::Checkpointer -> RDSCheckpointer

Methods

Public methods

• RDSCheckpointer$new()

• RDSCheckpointer$save()

• RDSCheckpointer$load_latest()

• RDSCheckpointer$load_step()

• RDSCheckpointer$list_threads()

• RDSCheckpointer$clone()

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Method new()

Create an RDS checkpointer.

Usage

RDSCheckpointer$new(path)

Arguments

path

Character. Directory path where checkpoints are written.

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Method save()

Save a snapshot as an RDS file.

Usage

RDSCheckpointer$save(thread_id, step, state_snapshot)

Arguments

thread_id

Character.

step

Integer.

state_snapshot

Named list.

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Method load_latest()

Load the latest snapshot.

Usage

RDSCheckpointer$load_latest(thread_id)

Arguments

thread_id

Character.

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Method load_step()

Load snapshot at exact step.

Usage

RDSCheckpointer$load_step(thread_id, step)

Arguments

thread_id

Character.

step

Integer.

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Method list_threads()

Return all thread IDs.

Usage

RDSCheckpointer$list_threads()

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Method clone()

The objects of this class are cloneable with this method.

Usage

RDSCheckpointer$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.