123 lines
3.8 KiB
C#
123 lines
3.8 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 _internalTask;
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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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_internalTask = 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 => _internalTask.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 => _internalTask.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 void CancelAndWait()
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{
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Cts.Cancel();
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_internalTask.Wait();
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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._internalTask = Task.Run( ret.InternalAction );
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return ret;
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}
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public void Wait()
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{
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_internalTask.Wait();
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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._internalTask );
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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._internalTask;
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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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