Rx - Reactive Extensions

ANDREJ TOZON
Microsoft MVP: Client App Dev
ANT Andrej Tozon s.p., Ljubljana
@andrejt| andrej@tozon.info | http://tozon.info/blog

Preštevanje zahteva svoj čas
foreach (Slikca slikca in pokecSlikc){ if (!prjatu.ImaSlikco(slikca)) { prjatu.MenjajSlikco(slikca); }}

Preštevanje
IEnumerator
prešteva
IEnumerable

Opazovanje
Opazovalec
opazuje
Opazovanega

Opazovanje
IObserver
opazuje
IObservable

Opazovanje
public interface IObservable<out T>{ IDisposable Subscribe(IObserver<T> observer);}
public interface IObserver<in T>{ void OnNext(T value); void OnError(Exception error); void OnCompleted();}

Preštevanje ali opazovanje?
IEnumerator
prešteva
IEnumerable
IObserver
opazuje
IObservable

Eden vleče, drugi poriva
IEnumerator
IEnumerable
IObserver
IObservable

Rx -
ReactiveExtensions
Andrej Tozon

Rx -
ReactiveExtensions
Library for composing asynchronous and event-based programs using observable collections

Rx -
ReactiveExtensions
Library for composingasynchronous and event-based programs using observable collections

Kje to dobim?
http://tiny.cc/rxnet
.NET FX 3.5 SP1 in 4.0
Silverlight 3 in 4
Windows Phone 7
JavaScript

Kje to dobim?
System.Observable.dll
IObservable in IObserver sta že vključena v .NET FX 4.0 Core
System.CoreEx.dll
System.Reactive.dll
System.Interactive.dll
EnumerableEx

Operatorji v EnumerableEx
Konstruktorji
Return
Throw
StartWith
Generate
Defer
Enumerable -> Observable -> Enumerable
var o1 = Enumerable.Range(1, 10).ToObservable();var o2 = Enumerable.Range(51, 10).ToObservable();var en = o1.Amb(o2).ToEnumerable();
Kombinatorji
Concat
Repeat
Scan
SelectMany

Viri
Rx DevLabs http://tiny.cc/rxnet
Rx Blog http://blogs.msdn.com/rxteam
Rx Wiki http://rxwiki.wikidot.com/
Channel9 http://channel9.msdn.com/tags/Rx/

vprašanja?
Andrej Tozon

Rx - Reactive Extensions

by Andrej Tozon on Oct 01, 2010

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Rx - Reactive Extensions — Presentation Transcript