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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;
using System.Reactive.Concurrency;
namespace System.Reactive.Linq.ObservableImpl
{
class Timestamp<TSource> : Producer<Timestamped<TSource>>
{
private readonly IObservable<TSource> _source;
private readonly IScheduler _scheduler;
public Timestamp(IObservable<TSource> source, IScheduler scheduler)
{
_source = source;
_scheduler = scheduler;
}
protected override IDisposable Run(IObserver<Timestamped<TSource>> observer, IDisposable cancel, Action<IDisposable> setSink)
{
var sink = new _(this, observer, cancel);
setSink(sink);
return _source.SubscribeSafe(sink);
}
class _ : Sink<Timestamped<TSource>>, IObserver<TSource>
{
private readonly Timestamp<TSource> _parent;
public _(Timestamp<TSource> parent, IObserver<Timestamped<TSource>> observer, IDisposable cancel)
: base(observer, cancel)
{
_parent = parent;
}
public void OnNext(TSource value)
{
base._observer.OnNext(new Timestamped<TSource>(value, _parent._scheduler.Now));
}
public void OnError(Exception error)
{
base._observer.OnError(error);
base.Dispose();
}
public void OnCompleted()
{
base._observer.OnCompleted();
base.Dispose();
}
}
}
}
#endif
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