public async Task <ActionResult> Created(Guid id)
{
// Commands are processed by a worker role. It could take time before the read model
// is in sync. This polls the database every quarter second to see if the account has been
// created. Once it has (or once it times out) the method continues.
// For the sake of the example, there's no database. Instead, the model will simply simulate
// latency to show how polling works.
var pollInterval = TimeSpan.FromSeconds(0.25);
var timeout = TimeSpan.FromSeconds(3);
var account = await AwaitTimer.WaitUntil(() => GetNewlyCreatedBankAccount(id),
BankAccountIsValid, pollInterval, timeout);
return(View(account));
}
/// <summary>
/// 지정된 시간만큼 대기하는 Task를 생성한다.
/// </summary>
/// <param name="time">대기할 시간 (밀리초)</param>
/// <returns>지정된 시간 후 완료되는 Task</returns>
public Task Yield(long time)
{
var timer = new AwaitTimer();
timer.interval = time;
timer.count = 1;
timer.start = Environment.TickCount;
pendingTimers.Enqueue(timer);
return timer.task;
}