Class

org.apache.flink.streaming.api.scala.function

ProcessAllWindowFunction

Related Doc: package function

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abstract class ProcessAllWindowFunction[IN, OUT, W <: Window] extends AbstractRichFunction

Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.

IN

The type of the input value.

OUT

The type of the output value.

W

The type of the window.

Annotations
@PublicEvolving()
Linear Supertypes
AbstractRichFunction, RichFunction, Function, Serializable, AnyRef, Any
Known Subclasses
RichProcessAllWindowFunction
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Inherited
  1. ProcessAllWindowFunction
  2. AbstractRichFunction
  3. RichFunction
  4. Function
  5. Serializable
  6. AnyRef
  7. Any
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Visibility
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Instance Constructors

  1. new ProcessAllWindowFunction()

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Type Members

  1. abstract class Context extends AnyRef

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    The context holding window metadata

Abstract Value Members

  1. abstract def process(context: Context, elements: Iterable[IN], out: Collector[OUT]): Unit

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    Evaluates the window and outputs none or several elements.

    Evaluates the window and outputs none or several elements.

    context

    The context in which the window is being evaluated.

    elements

    The elements in the window being evaluated.

    out

    A collector for emitting elements.

    Annotations
    @throws( ... )
    Exceptions thrown

    Exception The function may throw exceptions to fail the program and trigger recovery.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  5. def clear(context: Context): Unit

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    Deletes any state in the Context when the Window is purged.

    Deletes any state in the Context when the Window is purged.

    context

    The context to which the window is being evaluated

    Annotations
    @throws( ... )
    Exceptions thrown

    Exception The function may throw exceptions to fail the program and trigger recovery.

  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  7. def close(): Unit

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    Definition Classes
    AbstractRichFunction → RichFunction
    Annotations
    @throws( classOf[java.lang.Exception] )

  8. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

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    Definition Classes
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  12. def getIterationRuntimeContext(): IterationRuntimeContext

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    Definition Classes
    AbstractRichFunction → RichFunction

  13. def getRuntimeContext(): RuntimeContext

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    Definition Classes
    AbstractRichFunction → RichFunction

  14. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  15. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  16. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  17. final def notify(): Unit

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    Definition Classes
    AnyRef

  18. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  19. def open(arg0: Configuration): Unit

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    Definition Classes
    AbstractRichFunction → RichFunction
    Annotations
    @throws( classOf[java.lang.Exception] )

  20. def setRuntimeContext(arg0: RuntimeContext): Unit

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    Definition Classes
    AbstractRichFunction → RichFunction

  21. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  22. def toString(): String

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    Definition Classes
    AnyRef → Any

  23. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  24. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )

  25. final def wait(arg0: Long): Unit

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    @throws( ... )

Inherited from AbstractRichFunction

Inherited from RichFunction

Inherited from Function

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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