■ Task 클래스를 사용해 일정 주기 반복 태스크를 시작하는 방법을 보여준다.
▶ Program.cs
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using System; using System.Threading; using System.Threading.Tasks; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main(argumentArray) /// <summary> /// 프로그램 시작하기 /// </summary> /// <param name="argumentArray">인자 배열</param> private static void Main(string[] argumentArray) { Action action = () => { Console.WriteLine(DateTime.Now.ToString("HH:mm:ss")); }; StartPeriodicTask(action, 1000, 0, CancellationToken.None); Console.ReadKey(false); } #endregion #region 일정 주기 반복 태스크 시작하기 - StartPeriodicTask(action, interval, delay, token) /// <summary> /// 일정 주기 반복 태스크 시작하기 /// </summary> /// <param name="action"></param> /// <param name="interval">간격 (단위 : 밀리초)</param> /// <param name="delay">지연 (단위 : 밀리초)</param> /// <param name="token">취소 토큰</param> /// <returns>태스크</returns> private static Task StartPeriodicTask(Action action, int interval, int delay, CancellationToken token) { Action wrapperAction = () => { if(token.IsCancellationRequested) { return; } action(); }; Action mainAction = () => { TaskCreationOptions options = TaskCreationOptions.AttachedToParent; if(token.IsCancellationRequested) { return; } if(delay > 0) { Thread.Sleep(delay); } while(true) { if(token.IsCancellationRequested) { break; } Task.Factory.StartNew(wrapperAction, token, options, TaskScheduler.Current); if(token.IsCancellationRequested || interval == Timeout.Infinite) { break; } Thread.Sleep(interval); } }; return Task.Factory.StartNew(mainAction, token); } #endregion } } |
