org.apache.predictionio.core

BaseDataSource

abstract class BaseDataSource[TD, EI, Q, A] extends AbstractDoer

:: DeveloperApi :: Base class of all data source controllers

TD

Training data class

EI

Evaluation information class

Q

Query class

A

Actual result class

Annotations
@DeveloperApi()
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AbstractDoer, Serializable, Serializable, AnyRef, Any
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Instance Constructors

  1. new BaseDataSource()

Abstract Value Members

  1. abstract def readEvalBase(sc: SparkContext): Seq[(TD, EI, RDD[(Q, A)])]

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

    :: DeveloperApi :: Engine developer should not use this directly. This is called by evaluation workflow to read training and validation data.

    sc

    Spark context

    returns

    Sets of training data, evaluation information, queries, and actual results

    Annotations
    @DeveloperApi()
  2. abstract def readTrainingBase(sc: SparkContext): TD

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

    :: DeveloperApi :: Engine developer should not use this directly. This is called by workflow to read training data.

    sc

    Spark context

    returns

    Training data

    Annotations
    @DeveloperApi()

Concrete Value Members

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

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  10. def finalize(): Unit

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Inherited from AbstractDoer

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