Struct EffectLedger 

pub struct EffectLedger { /* private fields */ }

Per-run store of effect records, their events, and replay cassettes.

Implementations

impl EffectLedger

pub fn new() -> Self

Create a ledger for the default effect.ledger run.

pub fn with_run(run: Ref) -> Self

Create a ledger scoped to run.

pub fn records(&self) -> &[EffectRecord]

All effect records, in request order.

pub fn events(&self) -> &EventLedger

The underlying event ledger.

pub fn events_for_run(&self) -> &[Event]

Events recorded for this ledger’s run, in order.

pub fn cassette_result(&self, key: &ContentId) -> Option<&Ref>

Recorded cassette result for replay key key, if any.

pub fn insert_cassette_result(&mut self, key: ContentId, result: Ref)

Record a cassette result for replay key key.

pub fn effect(&self, reference: &Ref) -> Option<&Effect>

The effect recorded under reference, if any.

pub fn record_requested( &mut self, datum_store: &mut impl DatumStore, effect: Effect, ) -> Result<EffectRecord>

Record an effect request, emitting an EventKind::EffectRequested event and opening a new record.

pub fn record_resolved( &mut self, datum_store: &mut impl DatumStore, effect: Ref, result: Ref, ) -> Result<EffectRecord>

Record an effect resolution, emitting an EventKind::EffectResolved event and closing the open record with its result.

pub fn record_failed( &mut self, datum_store: &mut impl DatumStore, effect: Ref, error: Ref, ) -> Result<EffectRecord>

Record an effect failure, emitting an EventKind::Failed event and marking the open record aborted.

Trait Implementations

impl Clone for EffectLedger

fn clone(&self) -> EffectLedger

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EffectLedger

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EffectLedger

fn default() -> Self

Returns the “default value” for a type.