Class

org.apache.spark.ml.odkl

TopKTransformer

Related Doc: package odkl

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class TopKTransformer[B] extends Transformer with DefaultParamsWritable with HasGroupByColumns

Created by eugeny.malyutin on 20.07.17.

Performs TopK-UDAF logic without annoying schema pack-unpack

B

- raw type (Long for LongTyped-columns) for columnToOrderBy Ordering for this type should be defined

Linear Supertypes
HasGroupByColumns, DefaultParamsWritable, MLWritable, Transformer, PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. TopKTransformer
  2. HasGroupByColumns
  3. DefaultParamsWritable
  4. MLWritable
  5. Transformer
  6. PipelineStage
  7. Logging
  8. Params
  9. Serializable
  10. Serializable
  11. Identifiable
  12. AnyRef
  13. Any
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Visibility
  1. Public
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Instance Constructors

  1. new TopKTransformer()(implicit cmp: Ordering[B])

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  2. new TopKTransformer(uid: String)(implicit cmp: Ordering[B])

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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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    Definition Classes
    AnyRef → Any

  3. final def $[T](param: Param[T]): T

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    Attributes
    protected
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    Params

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

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    Definition Classes
    AnyRef → Any

  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  6. final def clear(param: Param[_]): TopKTransformer.this.type

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    Definition Classes
    Params

  7. def clone(): AnyRef

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

  8. implicit val cmp: Ordering[B]

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  9. val columnToOrderGroupsBy: Param[String]

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  10. def copy(extra: ParamMap): Transformer

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    Definition Classes
    TopKTransformer → Transformer → PipelineStage → Params

  11. def copyValues[T <: Params](to: T, extra: ParamMap): T

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    Attributes
    protected
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    Params

  12. final def defaultCopy[T <: Params](extra: ParamMap): T

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    Attributes
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    Params

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

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    Definition Classes
    AnyRef

  14. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  15. def explainParam(param: Param[_]): String

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    Definition Classes
    Params

  16. def explainParams(): String

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    Definition Classes
    Params

  17. final def extractParamMap(): ParamMap

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    Definition Classes
    Params

  18. final def extractParamMap(extra: ParamMap): ParamMap

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    Definition Classes
    Params

  19. def finalize(): Unit

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

  20. final def get[T](param: Param[T]): Option[T]

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    Definition Classes
    Params

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

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  22. final def getDefault[T](param: Param[T]): Option[T]

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    Definition Classes
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  23. final def getOrDefault[T](param: Param[T]): T

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    Params

  24. def getParam(paramName: String): Param[Any]

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    Definition Classes
    Params

  25. final val groupByColumns: StringArrayParam

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    Definition Classes
    HasGroupByColumns

  26. final def hasDefault[T](param: Param[T]): Boolean

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    Definition Classes
    Params

  27. def hasParam(paramName: String): Boolean

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    Definition Classes
    Params

  28. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  29. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
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    Logging

  30. final def isDefined(param: Param[_]): Boolean

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  31. final def isInstanceOf[T0]: Boolean

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    Any

  32. final def isSet(param: Param[_]): Boolean

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    Params

  33. def isTraceEnabled(): Boolean

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    protected
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    Logging

  34. def log: Logger

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    Logging

  35. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  36. def logDebug(msg: ⇒ String): Unit

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    Logging

  37. def logError(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  38. def logError(msg: ⇒ String): Unit

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  39. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  40. def logInfo(msg: ⇒ String): Unit

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    Logging

  41. def logName: String

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    Logging

  42. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    protected
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    Logging

  43. def logTrace(msg: ⇒ String): Unit

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    protected
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    Logging

  44. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  45. def logWarning(msg: ⇒ String): Unit

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    Logging

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

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    Definition Classes
    AnyRef

  47. final def notify(): Unit

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    Definition Classes
    AnyRef

  48. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  49. lazy val params: Array[Param[_]]

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    Definition Classes
    Params

  50. def save(path: String): Unit

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    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )

  51. final def set(paramPair: ParamPair[_]): TopKTransformer.this.type

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    Params

  52. final def set(param: String, value: Any): TopKTransformer.this.type

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  53. final def set[T](param: Param[T], value: T): TopKTransformer.this.type

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    Definition Classes
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  54. def setColumnToOrderGroupsBy(value: String): TopKTransformer.this.type

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  55. final def setDefault(paramPairs: ParamPair[_]*): TopKTransformer.this.type

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  56. final def setDefault[T](param: Param[T], value: T): TopKTransformer.this.type

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    Params

  57. def setGroupByColumns(columns: String*): TopKTransformer.this.type

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    Definition Classes
    HasGroupByColumns

  58. def setTopK(value: Int): TopKTransformer.this.type

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

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    Definition Classes
    AnyRef

  60. def toString(): String

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    Definition Classes
    Identifiable → AnyRef → Any

  61. val topK: IntParam

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  62. def transform(dataset: Dataset[_]): DataFrame

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    Definition Classes
    TopKTransformer → Transformer

  63. def transform(dataset: Dataset[_], paramMap: ParamMap): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" )

  64. def transform(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" ) @varargs()

  65. def transformSchema(schema: StructType): StructType

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    Definition Classes
    TopKTransformer → PipelineStage

  66. def transformSchema(schema: StructType, logging: Boolean): StructType

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    PipelineStage
    Annotations
    @DeveloperApi()

  67. val uid: String

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    Definition Classes
    TopKTransformer → Identifiable

  68. final def wait(): Unit

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    @throws( ... )

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

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    @throws( ... )

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

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    @throws( ... )

  71. def write: MLWriter

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    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from HasGroupByColumns

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from Transformer

Inherited from PipelineStage

Inherited from Logging

Inherited from Params

Inherited from Serializable

Inherited from Serializable

Inherited from Identifiable

Inherited from AnyRef

Inherited from Any

setParam

Ungrouped