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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.Observαble
{
class All<TSource> : Producer<bool>
{
private readonly IObservable<TSource> _source;
private readonly Func<TSource, bool> _predicate;
public All(IObservable<TSource> source, Func<TSource, bool> predicate)
{
_source = source;
_predicate = predicate;
}
protected override IDisposable Run(IObserver<bool> observer, IDisposable cancel, Action<IDisposable> setSink)
{
var sink = new _(this, observer, cancel);
setSink(sink);
return _source.SubscribeSafe(sink);
}
class _ : Sink<bool>, IObserver<TSource>
{
private readonly All<TSource> _parent;
public _(All<TSource> parent, IObserver<bool> observer, IDisposable cancel)
: base(observer, cancel)
{
_parent = parent;
}
public void OnNext(TSource value)
{
var res = false;
try
{
res = _parent._predicate(value);
}
catch (Exception ex)
{
base._observer.OnError(ex);
base.Dispose();
return;
}
if (!res)
{
base._observer.OnNext(false);
base._observer.OnCompleted();
base.Dispose();
}
}
public void OnError(Exception error)
{
base._observer.OnError(error);
base.Dispose();
}
public void OnCompleted()
{
base._observer.OnNext(true);
base._observer.OnCompleted();
base.Dispose();
}
}
}
}
#endif
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