60 lines
1.7 KiB
C#
60 lines
1.7 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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namespace System.Reactive.Linq.ObservableImpl
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{
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internal sealed class All<TSource> : Producer<bool, All<TSource>._>
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{
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private readonly IObservable<TSource> _source;
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private readonly Func<TSource, bool> _predicate;
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public All(IObservable<TSource> source, Func<TSource, bool> predicate)
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{
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_source = source;
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_predicate = predicate;
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}
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protected override _ CreateSink(IObserver<bool> observer) => new(_predicate, observer);
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protected override void Run(_ sink) => sink.Run(_source);
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internal sealed class _ : Sink<TSource, bool>
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{
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private readonly Func<TSource, bool> _predicate;
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public _(Func<TSource, bool> predicate, IObserver<bool> observer)
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: base(observer)
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{
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_predicate = predicate;
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}
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public override void OnNext(TSource value)
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{
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bool res;
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try
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{
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res = _predicate(value);
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}
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catch (Exception ex)
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{
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ForwardOnError(ex);
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return;
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}
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if (!res)
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{
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ForwardOnNext(false);
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ForwardOnCompleted();
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}
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}
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public override void OnCompleted()
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{
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ForwardOnNext(true);
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ForwardOnCompleted();
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}
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}
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}
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}
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