Spotlight for Futures

! Spotlight for Futures

Spotlight for Futures

APIDifferences.scala

// Akka 2.0
def square(i: Int): Future[Int] = Promise successful i * i

// Akka 2.1
def square(i: Int): Future[Int] = Future successful i * i

// Akka 2.0
val failedFilter = future1.filter(_ % 2 == 1).recover {
  case m: MatchError => //When filter fails, it will have a MatchError
}

// Akka 2.1
val failedFilter = future1.filter(_ % 2 == 1).recover {
  // When filter fails, it will have a java.util.NoSuchElementException
  case m: NoSuchElementException =>
}