■ Task 클래스에서 반복 작업자를 사용하는 방법을 보여준다.
▶ TaskHelper.cs
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using System; using System.Threading; using System.Threading.Tasks; namespace TestProject { /// <summary> /// 태스크 헬퍼 /// </summary> public class TaskHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 실행 여부 /// </summary> private bool isRunning = false; /// <summary> /// 취소 토큰 소스 /// </summary> private CancellationTokenSource cancellationTokenSource = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 실행 여부 - IsRunning /// <summary> /// 실행 여부 /// </summary> public bool IsRunning { get { return this.isRunning; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 시작하기 - Start(workAction, workParameter) /// <summary> /// 시작하기 /// </summary> /// <param name="workAction">작업 액션</param> /// <param name="workParameter">작업 매개 변수</param> public void Start(Action<object> workAction, object workParameter) { this.isRunning = true; this.cancellationTokenSource = new CancellationTokenSource(); Task.Factory.StartNew ( () => { try { using(this.cancellationTokenSource.Token.Register(Thread.CurrentThread.Abort)) { workAction(workParameter); } } catch(ThreadAbortException) { this.isRunning = false; } }, this.cancellationTokenSource.Token ); } #endregion #region 중단하기 - Abort() /// <summary> /// 중단하기 /// </summary> public void Abort() { this.cancellationTokenSource.Cancel(); } #endregion } } |
▶ RepeatWorker.cs
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using System; using System.Threading.Tasks; namespace TestProject { /// <summary> /// 반복 작업자 /// </summary> public class RepeatWorker : IDisposable { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 태스크 헬퍼 /// </summary> private TaskHelper taskHelper = null; /// <summary> /// 루프 계속 여부 /// </summary> private bool continueLoop = true; /// <summary> /// 휴지 여부 /// </summary> private bool isSleep = false; /// <summary> /// 휴지 시간 /// </summary> private int sleepTime; /// <summary> /// 작업 액션 /// </summary> private Action<object> workAction; /// <summary> /// 작업 매개 변수 /// </summary> private object workParameter; /// <summary> /// 실행 여부 /// </summary> private bool isRunning = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 휴지 시간 - SleepTime /// <summary> /// 휴지 시간 /// </summary> public int SleepTime { get { return this.sleepTime; } set { this.sleepTime = value; } } #endregion #region 작업 액션 - WorkAction /// <summary> /// 작업 액션 /// </summary> public Action<object> WorkAction { get { return this.workAction; } set { this.workAction = value; } } #endregion #region 작업 매개 변수 - WorkParameter /// <summary> /// 작업 매개 변수 /// </summary> public object WorkParameter { get { return this.workParameter; } set { this.workParameter = value; } } #endregion #region 실행 여부 - IsRunning /// <summary> /// 실행 여부 /// </summary> public bool IsRunning { get { return this.isRunning; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - RepeatWorker() /// <summary> /// 생성자 /// </summary> public RepeatWorker() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 시작하기 - Start() /// <summary> /// 시작하기 /// </summary> public void Start() { try { if(this.isRunning) { return; } this.isRunning = true; if(this.taskHelper != null) { if(this.taskHelper.IsRunning) { this.taskHelper.Abort(); } this.taskHelper = null; } this.taskHelper = new TaskHelper(); this.taskHelper.Start(ExecuteWorkAction, null); } catch(Exception exception) { this.isRunning = false; throw exception; } } #endregion #region 중단하기 - Stop() /// <summary> /// 중단하기 /// </summary> public async void Stop() { try { if(!this.isRunning) { return; } this.isRunning = false; this.continueLoop = false; await Task.Delay(500); if(this.taskHelper != null && this.taskHelper.IsRunning) { if(this.isSleep) { this.taskHelper.Abort(); } } } catch(Exception) { } } #endregion #region 리소스 해제하기 - Dispose() /// <summary> /// 리소스 해제하기 /// </summary> public void Dispose() { Stop(); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 작업 액션 실행하기 - ExecuteWorkAction(parameter) /// <summary> /// 작업 액션 실행하기 /// </summary> /// <param name="parameter">매개 변수</param> private async void ExecuteWorkAction(object parameter) { while(this.continueLoop) { try { this.workAction?.Invoke(this.workParameter); } catch(Exception) { } if(!this.continueLoop) { break; } this.isSleep = true; await Task.Delay(this.sleepTime); this.isSleep = false; } } #endregion } } |
▶ Program.cs
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using System; using System.Threading; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { RepeatWorker repeatWorker = new RepeatWorker(); repeatWorker.WorkAction = (p) => { Console.WriteLine(DateTime.Now); }; repeatWorker.WorkParameter = null; repeatWorker.SleepTime = 1000; repeatWorker.Start(); Thread.Sleep(10000); repeatWorker.Stop(); } #endregion } } |
