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serialize event count in store function call #1065

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Merged
merged 1 commit into from
May 29, 2025
Merged

serialize event count in store function call #1065

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22 changes: 15 additions & 7 deletions lib/event_processor/batch_event_processor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ export class BatchEventProcessor extends BaseService implements EventProcessor {
private batchSize: number;
private eventStore?: Store<EventWithId>;
private eventCountInStore: Maybe<number> = undefined;
private eventCountWaitPromise: Promise<unknown> = Promise.resolve();
private maxEventsInStore: number = MAX_EVENTS_IN_STORE;
private dispatchRepeater: Repeater;
private failedEventRepeater?: Repeater;
Expand Down Expand Up @@ -264,15 +265,22 @@ export class BatchEventProcessor extends BaseService implements EventProcessor {
}
}

private async findEventCountInStore(): Promise<void> {
private async readEventCountInStore(store: Store<EventWithId>): Promise<void> {
try {
const keys = await store.getKeys();
this.eventCountInStore = keys.length;
} catch (e) {
this.logger?.error(e);
}
}

private async findEventCountInStore(): Promise<unknown> {
if (this.eventStore && this.eventCountInStore === undefined) {
try {
const keys = await this.eventStore.getKeys();
this.eventCountInStore = keys.length;
} catch (e) {
this.logger?.error(e);
}
const store = this.eventStore;
this.eventCountWaitPromise = this.eventCountWaitPromise.then(() => this.readEventCountInStore(store));
return this.eventCountWaitPromise;
}
return Promise.resolve();
}

private async storeEvent(eventWithId: EventWithId): Promise<void> {
Expand Down
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