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#if !NO_PERF
using System;
namespace System.Reactive.Linq.Observαble
{
class Synchronize<TSource> : Producer<TSource>
{
private readonly IObservable<TSource> _source;
private readonly object _gate;
public Synchronize(IObservable<TSource> source, object gate)
{
_source = source;
_gate = gate;
}
public Synchronize(IObservable<TSource> source)
{
_source = source;
}
protected override IDisposable Run(IObserver<TSource> observer, IDisposable cancel, Action<IDisposable> setSink)
{
var sink = new _(this, observer, cancel);
setSink(sink);
return _source.Subscribe(sink);
}
class _ : Sink<TSource>, IObserver<TSource>
{
private readonly Synchronize<TSource> _parent;
private object _gate;
public _(Synchronize<TSource> parent, IObserver<TSource> observer, IDisposable cancel)
: base(observer, cancel)
{
_parent = parent;
_gate = _parent._gate ?? new object();
}
public void OnNext(TSource value)
{
lock (_gate)
{
base._observer.OnNext(value);
}
}
public void OnError(Exception error)
{
lock (_gate)
{
base._observer.OnError(error);
base.Dispose();
}
}
public void OnCompleted()
{
lock (_gate)
{
base._observer.OnCompleted();
base.Dispose();
}
}
}
}
}
#endif
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