58 lines
1.5 KiB
C#
58 lines
1.5 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 ToArray<TSource> : Producer<TSource[], ToArray<TSource>._>
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{
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private readonly IObservable<TSource> _source;
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public ToArray(IObservable<TSource> source)
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{
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_source = source;
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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(_source);
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internal sealed class _ : Sink<TSource, TSource[]>
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{
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private List<TSource> _list;
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public _(IObserver<TSource[]> observer)
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: base(observer)
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{
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_list = new List<TSource>();
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}
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public override void OnNext(TSource value)
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{
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_list.Add(value);
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}
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public override void OnError(Exception error)
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{
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Cleanup();
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base.OnError(error);
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}
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public override void OnCompleted()
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{
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var list = _list;
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Cleanup();
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ForwardOnNext(list.ToArray());
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ForwardOnCompleted();
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}
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private void Cleanup()
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{
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_list = null!;
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}
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}
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}
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}
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