38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MW.WorkFlow
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{
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public class ActivityControl
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{
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public CancellationToken CancellationToken { get; }
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private readonly Func<Task> _pauseCheck;
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public ActivityControl(CancellationToken cancellationToken, Func<Task> pauseCheck)
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{
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CancellationToken = cancellationToken;
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_pauseCheck = pauseCheck ?? throw new ArgumentNullException(nameof(pauseCheck));
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}
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/// <summary>
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/// 检查是否有取消请求，如果有则抛出 OperationCanceledException。
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/// </summary>
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public void ThrowIfCancellationRequested()
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{
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CancellationToken.ThrowIfCancellationRequested();
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}
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/// <summary>
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/// 检查流程是否处于暂停状态，如果是则等待直到恢复。
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/// 同时响应取消请求。
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/// </summary>
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public Task CheckPauseAsync() => _pauseCheck();
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}
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}
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