UniRx 에셋 추가
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using System;
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using UniRx.Operators;
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namespace UniRx.Operators
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{
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internal class ForEachAsyncObservable<T> : OperatorObservableBase<Unit>
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{
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readonly IObservable<T> source;
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readonly Action<T> onNext;
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readonly Action<T, int> onNextWithIndex;
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public ForEachAsyncObservable(IObservable<T> source, Action<T> onNext)
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: base(source.IsRequiredSubscribeOnCurrentThread())
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{
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this.source = source;
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this.onNext = onNext;
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}
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public ForEachAsyncObservable(IObservable<T> source, Action<T, int> onNext)
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: base(source.IsRequiredSubscribeOnCurrentThread())
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{
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this.source = source;
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this.onNextWithIndex = onNext;
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}
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protected override IDisposable SubscribeCore(IObserver<Unit> observer, IDisposable cancel)
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{
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if (onNext != null)
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{
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return source.Subscribe(new ForEachAsync(this, observer, cancel));
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}
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else
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{
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return source.Subscribe(new ForEachAsync_(this, observer, cancel));
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}
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}
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class ForEachAsync : OperatorObserverBase<T, Unit>
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{
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readonly ForEachAsyncObservable<T> parent;
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public ForEachAsync(ForEachAsyncObservable<T> parent, IObserver<Unit> observer, IDisposable cancel) : base(observer, cancel)
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{
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this.parent = parent;
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}
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public override void OnNext(T value)
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{
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try
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{
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parent.onNext(value);
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}
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catch (Exception ex)
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{
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try { observer.OnError(ex); }
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finally { Dispose(); }
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return;
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}
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}
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public override void OnError(Exception error)
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{
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try { observer.OnError(error); }
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finally { Dispose(); }
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}
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public override void OnCompleted()
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{
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observer.OnNext(Unit.Default);
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try { observer.OnCompleted(); }
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finally { Dispose(); }
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}
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}
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// with index
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class ForEachAsync_ : OperatorObserverBase<T, Unit>
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{
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readonly ForEachAsyncObservable<T> parent;
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int index = 0;
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public ForEachAsync_(ForEachAsyncObservable<T> parent, IObserver<Unit> observer, IDisposable cancel) : base(observer, cancel)
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{
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this.parent = parent;
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}
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public override void OnNext(T value)
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{
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try
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{
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parent.onNextWithIndex(value, index++);
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}
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catch (Exception ex)
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{
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try { observer.OnError(ex); }
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finally { Dispose(); }
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return;
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}
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}
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public override void OnError(Exception error)
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{
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try { observer.OnError(error); }
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finally { Dispose(); }
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}
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public override void OnCompleted()
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{
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observer.OnNext(Unit.Default);
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try { observer.OnCompleted(); }
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finally { Dispose(); }
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}
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}
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}
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}
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