blob: a70ac94db0cf256576f0c23714917e0eb879c75a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// 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.Disposables;
namespace System.Reactive.Linq.ObservableImpl
{
class Finally<TSource> : Producer<TSource>
{
private readonly IObservable<TSource> _source;
private readonly Action _finallyAction;
public Finally(IObservable<TSource> source, Action finallyAction)
{
_source = source;
_finallyAction = finallyAction;
}
protected override IDisposable Run(IObserver<TSource> observer, IDisposable cancel, Action<IDisposable> setSink)
{
var sink = new _(this, observer, cancel);
setSink(sink);
return sink.Run();
}
class _ : Sink<TSource>, IObserver<TSource>
{
private readonly Finally<TSource> _parent;
public _(Finally<TSource> parent, IObserver<TSource> observer, IDisposable cancel)
: base(observer, cancel)
{
_parent = parent;
}
public IDisposable Run()
{
var subscription = _parent._source.SubscribeSafe(this);
return Disposable.Create(() =>
{
try
{
subscription.Dispose();
}
finally
{
_parent._finallyAction();
}
});
}
public void OnNext(TSource value)
{
base._observer.OnNext(value);
}
public void OnError(Exception error)
{
base._observer.OnError(error);
base.Dispose();
}
public void OnCompleted()
{
base._observer.OnCompleted();
base.Dispose();
}
}
}
}
#endif
|