In-memory checkpointer

Stores checkpoints in a named list in RAM. State is lost when the R session ends. Suitable for development, testing, and short workflows.

Value

list(step, state) or NULL.

State snapshot or NULL.

Character vector.

Super class

puppeteeR::Checkpointer -> MemoryCheckpointer

Methods

Public methods

• MemoryCheckpointer$new()

• MemoryCheckpointer$save()

• MemoryCheckpointer$load_latest()

• MemoryCheckpointer$load_step()

• MemoryCheckpointer$list_threads()

• MemoryCheckpointer$clone()

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Method new()

Initialise an empty in-memory store.

Usage

MemoryCheckpointer$new()

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Method save()

Save a snapshot.

Usage

MemoryCheckpointer$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

MemoryCheckpointer$load_latest(thread_id)

Arguments

thread_id

Character.

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Method load_step()

Load snapshot at exact step.

Usage

MemoryCheckpointer$load_step(thread_id, step)

Arguments

thread_id

Character.

step

Integer.

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Method list_threads()

Return all thread IDs.

Usage

MemoryCheckpointer$list_threads()

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Method clone()

The objects of this class are cloneable with this method.

Usage

MemoryCheckpointer$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.