abstract class Mapper[-T, +R] extends AbstractFunction1[T, R]
Callback for the Future.map and Future.flatMap operations that will be invoked if the Future that this callback is registered on becomes completed with a success. This callback is the equivalent of an akka.japi.Function
Override "apply" normally, or "checkedApply" if you need to throw checked exceptions.
SAM (Single Abstract Method) class
Java API
- Source
- Future.scala
- Alphabetic
- By Inheritance
- Mapper
- AbstractFunction1
- Function1
- AnyRef
- Any
- by any2stringadd
- by StringFormat
- by Ensuring
- by ArrowAssoc
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- Public
- All
Instance Constructors
- new Mapper()
Value Members
-
def
andThen[A](g: (R) ⇒ A): (T) ⇒ A
- Definition Classes
- Function1
- Annotations
- @unspecialized()
-
def
apply(parameter: T): R
Override this method to perform the map operation, by default delegates to "checkedApply" which by default throws an UnsupportedOperationException.
Override this method to perform the map operation, by default delegates to "checkedApply" which by default throws an UnsupportedOperationException.
- Definition Classes
- Mapper → Function1
-
def
checkedApply(parameter: T): R
Override this method if you need to throw checked exceptions
Override this method if you need to throw checked exceptions
Throws UnsupportedOperation by default.
- Annotations
- @throws( classOf[Throwable] )
-
def
compose[A](g: (A) ⇒ T): (A) ⇒ R
- Definition Classes
- Function1
- Annotations
- @unspecialized()
-
def
toString(): String
- Definition Classes
- Function1 → AnyRef → Any