Packages

trait StatefulFunction[I, O, S] extends RichFunction

Trait implementing the functionality necessary to apply stateful functions in RichFunctions without exposing the OperatorStates to the user. The user should call the applyWithState method in his own RichFunction implementation.

Annotations
@Public()
Linear Supertypes
RichFunction, Function, Serializable, AnyRef, Any
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  2. By Inheritance
Inherited
  1. StatefulFunction
  2. RichFunction
  3. Function
  4. Serializable
  5. AnyRef
  6. Any
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Visibility
  1. Public
  2. Protected

Abstract Value Members

  1. abstract def close(): Unit
    Definition Classes
    RichFunction
    Annotations
    @throws(classOf[java.lang.Exception])
  2. abstract def getIterationRuntimeContext(): IterationRuntimeContext
    Definition Classes
    RichFunction
  3. abstract def getRuntimeContext(): RuntimeContext
    Definition Classes
    RichFunction
  4. abstract def setRuntimeContext(arg0: RuntimeContext): Unit
    Definition Classes
    RichFunction
  5. abstract val stateSerializer: TypeSerializer[S]
    Attributes
    protected

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def applyWithState(in: I, fun: (I, Option[S]) => (O, Option[S])): O
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  9. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  10. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  14. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  15. def open(c: Configuration): Unit
    Definition Classes
    StatefulFunction → RichFunction
  16. def open(arg0: OpenContext): Unit
    Definition Classes
    RichFunction
    Annotations
    @throws(classOf[java.lang.Exception])
  17. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  18. def toString(): String
    Definition Classes
    AnyRef → Any
  19. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  20. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  21. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

Inherited from RichFunction

Inherited from Function

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped