我想要有效地調節事件流,以便在接收到第一個事件時調用我的代理,但如果接收到後續事件,則不會持續1秒。超時後(1秒),如果接收到後續事件,我希望我的代理被調用。如何用RX節制事件流?
有沒有簡單的方法來使用Reactive Extensions來做到這一點?
示例代碼:
static void Main(string[] args)
{
Console.WriteLine("Running...");
var generator = Observable
.GenerateWithTime(1, x => x <= 100, x => x, x => TimeSpan.FromMilliseconds(1), x => x + 1)
.Timestamp();
var builder = new StringBuilder();
generator
.Sample(TimeSpan.FromSeconds(1))
.Finally(() => Console.WriteLine(builder.ToString()))
.Subscribe(feed =>
builder.AppendLine(string.Format("Observed {0:000}, generated at {1}, observed at {2}",
feed.Value,
feed.Timestamp.ToString("mm:ss.fff"),
DateTime.Now.ToString("mm:ss.fff"))));
Console.ReadKey();
}
電流輸出:
Running...
Observed 064, generated at 41:43.602, observed at 41:43.602
Observed 100, generated at 41:44.165, observed at 41:44.602
但我想觀察(時間戳顯然會發生變化)
Running...
Observed 001, generated at 41:43.602, observed at 41:43.602
....
Observed 100, generated at 41:44.165, observed at 41:44.602
這只是一個很酷的拉姆達聲明'X => X <= 100') – Oliver 2010-07-09 08:52:27