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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
#if !NO_PERF
using System;
namespace System.Reactive.Linq.ObservableImpl
{
class Dematerialize<TSource> : Producer<TSource>
{
private readonly IObservable<Notification<TSource>> _source;
public Dematerialize(IObservable<Notification<TSource>> source)
{
_source = source;
}
protected override IDisposable Run(IObserver<TSource> observer, IDisposable cancel, Action<IDisposable> setSink)
{
var sink = new _(observer, cancel);
setSink(sink);
return _source.SubscribeSafe(sink);
}
class _ : Sink<TSource>, IObserver<Notification<TSource>>
{
public _(IObserver<TSource> observer, IDisposable cancel)
: base(observer, cancel)
{
}
public void OnNext(Notification<TSource> value)
{
switch (value.Kind)
{
case NotificationKind.OnNext:
base._observer.OnNext(value.Value);
break;
case NotificationKind.OnError:
base._observer.OnError(value.Exception);
base.Dispose();
break;
case NotificationKind.OnCompleted:
base._observer.OnCompleted();
base.Dispose();
break;
}
}
public void OnError(Exception error)
{
base._observer.OnError(error);
base.Dispose();
}
public void OnCompleted()
{
base._observer.OnCompleted();
base.Dispose();
}
}
}
}
#endif
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