Kit.Core/LibExternal/System.Reactive/Internal/AsyncLockObserver.cs

42 lines
1.2 KiB
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
using System.Reactive.Concurrency;
namespace System.Reactive
{
internal sealed class AsyncLockObserver<T> : ObserverBase<T>
{
private readonly AsyncLock _gate;
private readonly IObserver<T> _observer;
public AsyncLockObserver(IObserver<T> observer, AsyncLock gate)
{
_gate = gate;
_observer = observer;
}
protected override void OnNextCore(T value)
{
_gate.Wait(
(_observer, value),
static tuple => tuple._observer.OnNext(tuple.value));
}
protected override void OnErrorCore(Exception exception)
{
_gate.Wait(
(_observer, exception),
static tuple => tuple._observer.OnError(tuple.exception));
}
protected override void OnCompletedCore()
{
_gate.Wait(
_observer,
static closureObserver => closureObserver.OnCompleted());
}
}
}