コード例 #1
0
    protected virtual async Task RunAsync()
    {
        await using (var handle = await DistributedLock.TryAcquireAsync(DistributedLockName, cancellationToken: StoppingToken))
        {
            if (handle != null)
            {
                while (true)
                {
                    var waitingEvents = await Outbox.GetWaitingEventsAsync(EventBusBoxesOptions.OutboxWaitingEventMaxCount, StoppingToken);

                    if (waitingEvents.Count <= 0)
                    {
                        break;
                    }

                    Logger.LogInformation($"Found {waitingEvents.Count} events in the outbox.");

                    foreach (var waitingEvent in waitingEvents)
                    {
                        await DistributedEventBus
                        .AsSupportsEventBoxes()
                        .PublishFromOutboxAsync(
                            waitingEvent,
                            OutboxConfig
                            );

                        await Outbox.DeleteAsync(waitingEvent.Id);

                        Logger.LogInformation($"Sent the event to the message broker with id = {waitingEvent.Id:N}");
                    }
                }
            }
            else
            {
                Logger.LogDebug("Could not obtain the distributed lock: " + DistributedLockName);
                try
                {
                    await Task.Delay(EventBusBoxesOptions.DistributedLockWaitDuration, StoppingToken);
                }
                catch (TaskCanceledException) { }
            }
        }
    }
コード例 #2
0
    protected virtual async Task RunAsync()
    {
        await using (var handle = await DistributedLock.TryAcquireAsync(DistributedLockName, cancellationToken: StoppingToken))
        {
            if (handle != null)
            {
                while (true)
                {
                    var waitingEvents = await Outbox.GetWaitingEventsAsync(EventBusBoxesOptions.OutboxWaitingEventMaxCount, StoppingToken);

                    if (waitingEvents.Count <= 0)
                    {
                        break;
                    }

                    Logger.LogInformation($"Found {waitingEvents.Count} events in the outbox.");

                    if (EventBusBoxesOptions.BatchPublishOutboxEvents)
                    {
                        await PublishOutgoingMessagesInBatchAsync(waitingEvents);
                    }
                    else
                    {
                        await PublishOutgoingMessagesAsync(waitingEvents);
                    }
                }
            }
            else
            {
                Logger.LogDebug("Could not obtain the distributed lock: " + DistributedLockName);
                try
                {
                    await Task.Delay(EventBusBoxesOptions.DistributedLockWaitDuration, StoppingToken);
                }
                catch (TaskCanceledException) { }
            }
        }
    }