Class/Object

org.apache.spark.sql.execution.streamsummary

StreamSummaryAggregation

Related Docs: object StreamSummaryAggregation | package streamsummary

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class StreamSummaryAggregation[T] extends TopK

TopK using stream summary algorithm.

Linear Supertypes
TopK, Serializable, AnyRef, Any
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Inherited
  1. StreamSummaryAggregation
  2. TopK
  3. Serializable
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Visibility
  1. Public
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Instance Constructors

  1. new StreamSummaryAggregation(capacity: Int, intervalSize: Long, epoch0: Long, maxIntervals: Int)

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  2. new StreamSummaryAggregation(capacity: Int, intervalSize: Long, epoch0: Long, maxIntervals: Int, streamAggregates: MutableList[StreamSummary[T]], initInterval: Long)

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Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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

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  4. def addItems(data: ArrayBuffer[KeyFrequencyWithTimestamp[T]]): Unit

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  5. final def asInstanceOf[T0]: T0

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    Definition Classes
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  6. val capacity: Int

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  7. def clone(): AnyRef

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

  8. val epoch0: Long

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

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    AnyRef

  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

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

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

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  13. def getTopKBetweenTime(epochFrom: Long, epochTo: Long, k: Int): Option[Array[(T, Approximate)]]

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  14. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  15. val intervalSize: Long

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  16. final def isInstanceOf[T0]: Boolean

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    Definition Classes
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  17. val maxIntervals: Int

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

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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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  21. def queryIntervals(start: Int, end: Int, k: Int): Map[T, Approximate]

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  22. val streamAggregates: MutableList[StreamSummary[T]]

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

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    Definition Classes
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  24. val timeEpoch: TimeEpoch

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  25. def toString(): String

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  26. final def wait(): Unit

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    @throws( ... )

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

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

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Inherited from TopK

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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