Reactive extensions for dot net

Reactive extensions for dot net

• 1.
  Reactive Extensions for .NET Previously Linq to Events Eric R Taylor 7/10/2012 1
• 2.
  IObserver - Observable •Comparable to IEnumerable and IEnumerator • Built into .Net 4.0, In the System namespace Eric R Taylor 7/10/2012 2
• 3.
  Push vs. Pull •Pull – IEnumerable o Gather a set of data o Do something for each item in the set • Push – IObservable o Decide what you want to do for each item o React to each item as it is introduced Eric R Taylor 7/10/2012 3
• 4.
  Linq Extensions • Extensionmethods based on IEnumerable<T> • Chainable • Filtering – Where • Projection – Select • Paging – Take, Skip • Composition – Join • Rearrange – OrderBy Eric R Taylor 7/10/2012 4
• 5.
  Reactive Extensions • Extensionmethods based on IObservable<T> • Chainable • Filtering – Where • Projection – Select • Paging – TakeUntil, SkipUntil • Composition – Merge, Zip, CombineLatest • Time based – Interval, Delay, Throttle, Sample Eric R Taylor 7/10/2012 5
• 6.
  Merge Eric R Taylor 7/10/2012 6
• 7.
  SkipUntil - TakeUntil green.SkipUntil(blue).TakeUntil(red) Eric R Taylor 7/10/2012 7
• 8.
  Buffer 1 2 3 4 5 6 7 1 2 3 4 5 6 2 3 4 5 6 7 Eric R Taylor 7/10/2012 8
• 9.
  Subscriptions • Joining anIObserver to an IObservable • Returns an IDisposable, Dispose to unsubscribe • Extension methods for Subscribe overrides Eric R Taylor 7/10/2012 9
• 10.
  Scheduler • Most extensionsthat are time based have overrides that accept a scheduler. Eric R Taylor 7/10/2012 10
• 11.
  Standard Event Composition Eric R Taylor 7/10/2012 11
• 12.
  Converting Standard Events into Observables Eric R Taylor 7/10/2012 12
• 13.
  Rx Event Composition EricR Taylor 7/10/2012 13
• 14.
  Rx Event Projection EricR Taylor 7/10/2012 14
• 15.
  Rx IObservable Chaining EricR Taylor 7/10/2012 15
• 16.
  Rx Multiple Subscribers EricR Taylor 7/10/2012 16
• 17.
  Rx Multiple Subscribers EricR Taylor 7/10/2012 17