Class

org.apache.predictionio.core

BasePreparator

Related Doc: package core

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abstract class BasePreparator[TD, PD] extends AbstractDoer

:: DeveloperApi :: Base class of all preparator controller classes

Dev note: Probably will add an extra parameter for ad hoc JSON formatter

TD

Training data class

PD

Prepared data class

Annotations
@DeveloperApi()
Linear Supertypes
AbstractDoer, Serializable, Serializable, AnyRef, Any
Known Subclasses
IdentityPreparator, LIdentityPreparator, LPreparator, PIdentityPreparator, PPreparator, PythonPreparator
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  1. BasePreparator
  2. AbstractDoer
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Instance Constructors

  1. new BasePreparator()

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Abstract Value Members

  1. abstract def prepareBase(sc: SparkContext, td: TD): PD

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    :: DeveloperApi :: Engine developers should not use this directly.

    :: DeveloperApi :: Engine developers should not use this directly. This is called by training workflow to prepare data before handing it over to algorithm

    sc

    Spark context

    td

    Training data

    returns

    Prepared data

    Annotations
    @DeveloperApi()

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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    @throws( ... )

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

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

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    @throws( ... )

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

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Inherited from AbstractDoer

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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