112 lines
3.6 KiB
C#
112 lines
3.6 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="CancellableTask.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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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.Runtime.CompilerServices;
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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 StgSharp.Threading
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{
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internal class CancellableTask
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{
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private protected Action<CancellationToken> _startup;
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private protected Task taskInternal;
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private CancellationTokenSource cts;
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private protected CancellableTask()
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{
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cts = new CancellationTokenSource();
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}
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private protected CancellableTask(Action<CancellationToken> action)
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{
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taskInternal = new Task(InternalAction);
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cts = new CancellationTokenSource();
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}
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public bool IsCompleted
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{
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get => taskInternal.IsCompleted;
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}
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public CancellationTokenSource Cts
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{
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get => cts;
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}
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public int Id
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{
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get => taskInternal.Id;
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}
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public void Cancel()
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{
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Cts.Cancel();
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}
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public static CancellableTask Run(Action<CancellationToken> startup)
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{
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CancellableTask ret = new CancellableTask { _startup = startup };
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ret.taskInternal = Task.Run(ret.InternalAction);
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return ret;
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}
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public static void WaitAll(IEnumerable<CancellableTask> tasks)
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{
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IEnumerable<Task> convertedTasks = tasks.Select<CancellableTask, Task>
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(ct => ct.taskInternal);
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Task.WaitAll(convertedTasks.ToArray());
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal void InternalAction()
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{
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//Console.WriteLine($"Task {Task.CurrentId} is running.");
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_startup(Cts.Token);
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}
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public static implicit operator Task(CancellableTask task)
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{
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return task.taskInternal;
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}
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~CancellableTask()
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{
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Cts.Dispose();
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}
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}
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}
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