Class

ai.h2o.sparkling.backend.internal

InternalBackendReader

Related Doc: package internal

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class InternalBackendReader extends Reader

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shared.Reader, TimeZoneConversions, AnyRef, Any
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Inherited
  1. InternalBackendReader
  2. Reader
  3. TimeZoneConversions
  4. AnyRef
  5. Any
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Visibility
  1. Public
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Instance Constructors

  1. new InternalBackendReader(keyName: String, chunkIdx: Int, sparkTimeZone: TimeZone)

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Type Members

  1. type DataSource = Chunk

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    Type from which we query the data

    Type from which we query the data

    Definition Classes
    InternalBackendReader → Reader
  2. type OptionReader = (Int) ⇒ Option[Any]

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    Definition Classes
    Reader
  3. type Reader = (Int) ⇒ Any

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    Definition Classes
    Reader

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. lazy val ExtractorsTable: Map[SimpleType[_], Function1[DataSource, _]]

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    This map registers for each type corresponding extractor

    This map registers for each type corresponding extractor

    Given a a column number, returns an Option[T] with the value parsed according to the type. You can override it.

    A map from type name to option reader

    Attributes
    protected
    Definition Classes
    Reader
  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def booleanAt(source: Chunk): Boolean

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  7. def byteAt(source: Chunk): Byte

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  8. val chunkIdx: Int

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    Chunk Idx/Partition index

    Chunk Idx/Partition index

    Definition Classes
    InternalBackendReader → Reader
  9. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def columnValueProviders(columnIndexesWithTypes: Array[(Int, SimpleType[_])]): Array[() ⇒ Option[Any]]

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    For a given array of source column indexes and required data types, produces an array of value providers.

    For a given array of source column indexes and required data types, produces an array of value providers.

    columnIndexesWithTypes

    lists which columns we need, and what are the required types

    returns

    an array of value providers. Each provider gives the current column value

    Definition Classes
    Reader
  11. def doubleAt(source: DataSource): Double

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  12. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  13. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  14. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  15. def floatAt(source: Chunk): Float

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  16. def fromSparkTimeZoneToUTC(date: Date): Long

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    Definition Classes
    TimeZoneConversions
  17. def fromSparkTimeZoneToUTC(timestamp: Timestamp): Long

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    Definition Classes
    TimeZoneConversions
  18. def fromSparkTimeZoneToUTC(timestamp: Long): Long

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    Definition Classes
    TimeZoneConversions
  19. def fromUTCToSparkTimeZone(timestamp: Long): Long

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    Definition Classes
    TimeZoneConversions
  20. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  21. def hasNext: Boolean

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    Definition Classes
    Reader
  22. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  23. def increaseRowIdx(): Unit

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    Definition Classes
    Reader
  24. def intAt(source: Chunk): Int

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  25. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  26. val keyName: String

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    Key pointing to H2OFrame containing the data

    Key pointing to H2OFrame containing the data

    Definition Classes
    InternalBackendReader → Reader
  27. def longAt(source: DataSource): Long

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  28. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  29. final def notify(): Unit

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    Definition Classes
    AnyRef
  30. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  31. lazy val numRows: Int

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    Number of rows in this partition

    Number of rows in this partition

    Definition Classes
    InternalBackendReader → Reader
  32. lazy val readerMapByName: Map[NameOfType, Reader]

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    Definition Classes
    Reader
  33. def returnOption[T](read: (DataSource) ⇒ T)(columnNum: Int): Option[T]

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    Returns Option with data was successfully obtained or none otherwise

    Returns Option with data was successfully obtained or none otherwise

    Definition Classes
    InternalBackendReader → Reader
  34. def returnSimple[T](ifMissing: (String) ⇒ T, read: (DataSource) ⇒ T)(columnNum: Int): T

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    Returns the data if it was obtained successfully or the default value

    Returns the data if it was obtained successfully or the default value

    Definition Classes
    InternalBackendReader → Reader
  35. var rowIdx: Int

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    Current row index

    Current row index

    Definition Classes
    Reader
  36. def shortAt(source: Chunk): Short

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  37. val sparkTimeZone: TimeZone

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  38. def string(source: DataSource): String

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    Attributes
    protected
    Definition Classes
    InternalBackendReader → Reader
  39. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  40. def timestamp(source: DataSource): Long

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    Attributes
    protected
    Definition Classes
    Reader
  41. def toString(): String

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    Definition Classes
    AnyRef → Any
  42. def utfString(source: DataSource): UTF8String

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    Attributes
    protected
    Definition Classes
    Reader
  43. final def wait(): Unit

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

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from shared.Reader

Inherited from TimeZoneConversions

Inherited from AnyRef

Inherited from Any

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