67 lines
2.4 KiB
C#
67 lines
2.4 KiB
C#
// original code from GitHub Reactive-Extensions/Rx.NET
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// some modified.
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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#if (NETFX_CORE || NET_4_6 || NET_STANDARD_2_0 || UNITY_WSA_10_0)
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using System;
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using System.Threading;
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namespace UniRx
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{
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/// <summary>
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/// Represents a disposable resource that has an associated <seealso cref="T:System.Threading.CancellationToken"/> that will be set to the cancellation requested state upon disposal.
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/// </summary>
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public sealed class CancellationDisposable : ICancelable
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{
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private readonly CancellationTokenSource _cts;
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/// <summary>
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/// Initializes a new instance of the <see cref="T:System.Reactive.Disposables.CancellationDisposable"/> class that uses an existing <seealso cref="T:System.Threading.CancellationTokenSource"/>.
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/// </summary>
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/// <param name="cts"><seealso cref="T:System.Threading.CancellationTokenSource"/> used for cancellation.</param>
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/// <exception cref="ArgumentNullException"><paramref name="cts"/> is null.</exception>
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public CancellationDisposable(CancellationTokenSource cts)
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{
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if (cts == null)
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throw new ArgumentNullException("cts");
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_cts = cts;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="T:System.Reactive.Disposables.CancellationDisposable"/> class that uses a new <seealso cref="T:System.Threading.CancellationTokenSource"/>.
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/// </summary>
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public CancellationDisposable()
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: this(new CancellationTokenSource())
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{
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}
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/// <summary>
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/// Gets the <see cref="T:System.Threading.CancellationToken"/> used by this CancellationDisposable.
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/// </summary>
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public CancellationToken Token
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{
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get { return _cts.Token; }
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}
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/// <summary>
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/// Cancels the underlying <seealso cref="T:System.Threading.CancellationTokenSource"/>.
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/// </summary>
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public void Dispose()
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{
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_cts.Cancel();
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}
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/// <summary>
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/// Gets a value that indicates whether the object is disposed.
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/// </summary>
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public bool IsDisposed
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{
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get { return _cts.IsCancellationRequested; }
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}
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}
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}
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#endif |