Trait

org.apache.spark.rdd.mergejoin.MergeJoin

Joiner

Related Doc: package MergeJoin

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trait Joiner[K, V, W, Out] extends Serializable

Implementation contract for a merge-join.

inner is called when there are matching keys in both sides

leftOuter is called when a key exists only in the left side

rightOuter is called when a key exists only in the right side

Linear Supertypes
Serializable, Serializable, AnyRef, Any
Known Subclasses
FullOuterJoin, InnerJoin, LeftOuterJoin, RightOuterJoin, SpillableJoiner
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Abstract Value Members

  1. abstract def inner(key: K, left: Iterator[V], right: Iterator[W]): Iterator[Out]

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    Emit both left and right values for the given key

  2. abstract def leftOuter(itr: Iterator[(K, V)]): Iterator[Out]

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    Emit values for left-side only key

  3. abstract def rightOuter(itr: Iterator[(K, W)]): Iterator[Out]

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    Emit values for right-side only key

Concrete Value Members

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

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  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    protected[java.lang]
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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

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

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toString(): String

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  17. final def wait(): Unit

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

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

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Inherited from Serializable

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