62 lines
1.8 KiB
C#
62 lines
1.8 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT License.
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// See the LICENSE file in the project root for more information.
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using System.Collections.Generic;
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namespace System.Reactive.Linq.ObservableImpl
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{
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internal sealed class OnErrorResumeNext<TSource> : Producer<TSource, OnErrorResumeNext<TSource>._>
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{
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private readonly IEnumerable<IObservable<TSource>> _sources;
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public OnErrorResumeNext(IEnumerable<IObservable<TSource>> sources)
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{
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_sources = sources;
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}
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protected override _ CreateSink(IObserver<TSource> observer) => new(observer);
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protected override void Run(_ sink) => sink.Run(_sources);
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internal sealed class _ : TailRecursiveSink<TSource>
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{
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public _(IObserver<TSource> observer)
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: base(observer)
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{
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}
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protected override IEnumerable<IObservable<TSource>>? Extract(IObservable<TSource> source)
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{
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if (source is OnErrorResumeNext<TSource> oern)
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{
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return oern._sources;
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}
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return null;
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}
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public override void OnError(Exception error)
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{
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Recurse();
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}
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public override void OnCompleted()
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{
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Recurse();
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}
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protected override bool Fail(Exception error)
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{
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//
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// Note that the invocation of _recurse in OnError will
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// cause the next MoveNext operation to be enqueued, so
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// we will still return to the caller immediately.
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//
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OnError(error);
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return true;
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}
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}
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}
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}
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