com.twitter.scalding

FoldFunctor

abstract class FoldFunctor[X] extends Functor

This handles the mapReduceMap work on the map-side of the operation. The code below attempts to be optimal with respect to memory allocations and performance, not functional style purity.

Linear Supertypes
Functor, Serializable, AnyRef, Any
Known Subclasses
MRMFunctor
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Inherited
  1. FoldFunctor
  2. Functor
  3. Serializable
  4. AnyRef
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Visibility
  1. Public
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Instance Constructors

  1. new FoldFunctor(fields: Fields)

Abstract Value Members

  1. abstract def finish(lastValue: X): Tuple

  2. abstract def first(args: TupleEntry): X

  3. abstract def subsequent(oldValue: X, newArgs: TupleEntry): X

Concrete Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. final def aggregate(flowProcess: FlowProcess[_], args: TupleEntry, context: Tuple): Tuple

    Definition Classes
    FoldFunctor → Functor

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  8. def clone(): AnyRef

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

  9. final def complete(flowProcess: FlowProcess[_], context: Tuple): Tuple

    Definition Classes
    FoldFunctor → Functor

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

    Definition Classes
    AnyRef

  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  12. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  14. final def getDeclaredFields(): Fields

    Definition Classes
    FoldFunctor → Functor

  15. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  16. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

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

    Definition Classes
    AnyRef

  18. final def notify(): Unit

    Definition Classes
    AnyRef

  19. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  21. def toString(): String

    Definition Classes
    AnyRef → Any

  22. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()

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

    Definition Classes
    AnyRef
    Annotations
    @throws()

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

    Definition Classes
    AnyRef
    Annotations
    @throws()

Inherited from Functor

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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