Class

software.uncharted.salt.core.analytic.collection

TopElementsAggregator

Related Doc: package collection

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class TopElementsAggregator[ET] extends Aggregator[Seq[ET], Map[ET, Int], List[(ET, Int)]]

Aggregator for producing the top N common elements in a collection column, along with their respective counts.

ET

The element type

Linear Supertypes
Aggregator[Seq[ET], Map[ET, Int], List[(ET, Int)]], Serializable, Serializable, AnyRef, Any
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Inherited
  1. TopElementsAggregator
  2. Aggregator
  3. Serializable
  4. Serializable
  5. AnyRef
  6. Any
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Visibility
  1. Public
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Instance Constructors

  1. new TopElementsAggregator(elementLimit: Int)(implicit arg0: ClassTag[ET])

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    elementLimit

    Produce up to this number of "top elements" in finish()

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. def add(current: Map[ET, Int], next: Option[Seq[ET]]): Map[ET, Int]

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    Definition Classes
    TopElementsAggregatorAggregator
  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  7. def default(): Map[ET, Int]

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    Definition Classes
    TopElementsAggregatorAggregator
  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. def finish(intermediate: Map[ET, Int]): List[(ET, Int)]

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    Definition Classes
    TopElementsAggregatorAggregator
  12. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  13. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  14. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  15. def merge(left: Map[ET, Int], right: Map[ET, Int]): Map[ET, Int]

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    Definition Classes
    TopElementsAggregatorAggregator
  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. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  20. def toString(): String

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    Definition Classes
    AnyRef → Any
  21. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  23. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Aggregator[Seq[ET], Map[ET, Int], List[(ET, Int)]]

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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