コード例 #1
0
        // attempt to clear transaction from commit log
        private async Task <bool> TryCollect(Guid transactionId)
        {
            try
            {
                var storeComplete = new TaskCompletionSource <bool>();
                // Now we can remove the commit record.
                StorageBatch <TState> storageBatch = getStorageBatch();
                storageBatch.Collect(transactionId);
                storageBatch.FollowUpAction(() =>
                {
                    if (this.logger.IsEnabled(LogLevel.Trace))
                    {
                        this.logger.LogTrace("Collection completed. TransactionId:{TransactionId}", transactionId);
                    }
                    this.pending.Remove(transactionId);
                    storeComplete.TrySetResult(true);
                });

                storageWorker.Notify();

                // wait for storage call, so we don't free spin
                await Task.WhenAll(storeComplete.Task, Task.Delay(this.options.ConfirmationRetryDelay));

                if (storeComplete.Task.IsCompleted)
                {
                    return(storeComplete.Task.Result);
                }
            }
            catch (Exception ex)
            {
                this.logger.LogWarning($"Error occured while cleaning up transaction {transactionId} from commit log.  Will retry.", ex);
            }
            return(false);
        }
コード例 #2
0
        // attempt to clear transaction from commit log
        private async Task <bool> TryCollect(Guid transactionId)
        {
            try
            {
                var storeComplete = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
                // Now we can remove the commit record.
                StorageBatch <TState> storageBatch = getStorageBatch();
                storageBatch.Collect(transactionId);
                storageBatch.FollowUpAction(() =>
                {
                    if (this.logger.IsEnabled(LogLevel.Trace))
                    {
                        this.logger.LogTrace("Collection completed. TransactionId:{TransactionId}", transactionId);
                    }
                    this.pending.Remove(transactionId);
                    storeComplete.TrySetResult(true);
                });

                storageWorker.Notify();

                // wait for storage call, so we don't free spin
                return(await storeComplete.Task);
            }
            catch (Exception ex)
            {
                this.logger.LogWarning(ex, "Error occured while cleaning up transaction {TransactionId} from commit log.  Will retry.", transactionId);
            }

            return(false);
        }