コード例 #1
0
        private async Task HandleMessageAsync(QueueMessage message)
        {
            Replicatable replicatable = null;

            try
            {
                replicatable = MessageSerializer.Deserialize(message.MessageText);

                using (var executionTimer = new ExecutionTimer())
                {
                    await _messageHandler.HandleAsync(replicatable, _cancellationToken);

                    await _queueClient.DeleteMessageAsync(message.MessageId, message.PopReceipt, _cancellationToken);

                    await Task.WhenAll(_replicationStatusLoggers.Select(r => r.SuccessAsync(replicatable, executionTimer.CalculateElapsedAndStopMeasuring())));
                }
            }
            catch (UnsupportedMessageFormatException e)
            {
                await _queueClient.DeleteMessageAsync(message.MessageId, message.PopReceipt, _cancellationToken);

                await Task.WhenAll(_replicationStatusLoggers.Select(r => r.UnprocessableAsync(message.MessageId, message.PopReceipt, message.MessageText, e)));
            }
            catch (Exception e)
            {
                if (message.DequeueCount > _maximumNumberOfRetries)
                {
                    await _queueClient.DeleteMessageAsync(message.MessageId, message.PopReceipt, _cancellationToken);

                    await Task.WhenAll(_replicationStatusLoggers.Select(r => r.FailureAsync(replicatable, e)));
                }
            }
            finally
            {
                _concurrencyLimiter.Release();
            }
        }