Exemple #1
0
        private void OnTransactionComplete(RedisTransaction transaction, bool success, IList <Message> messages, TaskCompletionSource <object> tcs)
        {
            if (success)
            {
                _trace.TraceVerbose("Transaction completed successfully");

                tcs.TrySetResult(null);
            }
            else
            {
                _trace.TraceVerbose("Transaction failed. Retrying...");

                _trace.TraceVerbose("Transaction disposed");

                // Dispose the transaction
                transaction.Dispose();

                SendImpl(messages, tcs);
            }
        }
Exemple #2
0
        private void SendImpl(IList <Message> messages, TaskCompletionSource <object> tcs)
        {
go:
            Task <long?> task = _connection.Strings.GetInt64(_db, _key);

            RedisTransaction transaction = null;

            // Dispose the transaction after everything runs
            tcs.Task.Finally(state =>
            {
                if (transaction != null)
                {
                    _trace.TraceVerbose("Transaction disposed");

                    transaction.Dispose();
                }
            },
                             null);

            if (task.IsCompleted)
            {
                try
                {
                    task.Wait();

                    _trace.TraceVerbose("CreateTransaction({0})", task.Result);

                    transaction = _connection.CreateTransaction();

                    Task <bool> transactionTask = ExecuteTransaction(transaction, task.Result, messages);

                    if (transactionTask.IsCompleted)
                    {
                        transactionTask.Wait();

                        bool success = transactionTask.Result;

                        if (success)
                        {
                            OnTransactionComplete(transaction, success, messages, tcs);
                        }
                        else
                        {
                            _trace.TraceVerbose("Transaction failed. Retrying...");

                            _trace.TraceVerbose("Transaction disposed");

                            transaction.Dispose();

                            goto go;
                        }
                    }
                    else
                    {
                        OnTransactionCompleting(transaction, transactionTask, messages, tcs);
                    }
                }
                catch (OperationCanceledException)
                {
                    tcs.TrySetCanceled();
                }
                catch (Exception ex)
                {
                    tcs.TrySetException(ex);
                }
            }
            else
            {
                task.Then(oldId =>
                {
                    _trace.TraceVerbose("CreateTransaction({0})", oldId);

                    transaction = _connection.CreateTransaction();

                    Task <bool> transactionTask = ExecuteTransaction(transaction, oldId, messages);

                    OnTransactionCompleting(transaction, transactionTask, messages, tcs);
                })
                .ContinueWithNotComplete(tcs);
            }
        }