1382
// GenerateEventLoadToken generates a token for loading a history event at a later time. The token encodes the event ID
1383
// and the batch ID (if applicable) which can be used to load the event from the events cache.
1384
>
func (ms *MutableStateImpl) GenerateEventLoadToken(event *historypb.HistoryEvent) ([]byte, error) {
mutable_state_impl.go
1385
>
if event.EventId == common.BufferedEventID {
1386
return nil, serviceerror.NewInternalf("cannot reference buffered event: %v", event.EventType)
1387
}
1389
>
if batchID == common.EmptyEventID {
1390
batchID = ms.replayEventBatchID
1391
}
1393
return nil, serviceerror.NewInternalf("cannot reference event: %v", event.EventType)
1394
}
1396
// The batch ID is the first event ID of the event's own batch, so it can never exceed the
1397
// event's ID.