sqlest.extractor

ConstantExtractor

Related Doc: package extractor

case class ConstantExtractor[Row, A](value: A) extends Extractor[Row, A] with SimpleExtractor[Row, A] with SingleRowExtractor[Row, A] with Product with Serializable

Extractor that always returns the same value

Linear Supertypes
Serializable, Serializable, Product, Equals, SingleRowExtractor[Row, A], SimpleExtractor[Row, A], Extractor[Row, A], AnyRef, Any
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Inherited
  1. ConstantExtractor
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. SingleRowExtractor
  7. SimpleExtractor
  8. Extractor
  9. AnyRef
  10. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ConstantExtractor(value: A)

Type Members

  1. type Accumulator = A

    Definition Classes
    ConstantExtractor → Extractor

  2. type SingleResult = A

    Definition Classes
    SimpleExtractor

Value Members

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

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    AnyRef → Any

  4. def accumulate(accumulator: A, row: Row): A

    Definition Classes
    ConstantExtractor → Extractor

  5. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  6. def asList: ListMultiRowExtractor[Row, A]

    Definition Classes
    SingleRowExtractor

  7. def asOption: OptionExtractor[Row, A]

    Definition Classes
    Extractor

  8. def checkNullValueAndGet[T](t: Option[T]): T

    Attributes
    protected
    Definition Classes
    Extractor

  9. def clone(): AnyRef

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

  10. def emit(accumulator: A): Some[A]

    Definition Classes
    ConstantExtractor → Extractor

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

    Definition Classes
    AnyRef

  12. def extractAll(rows: Iterable[Row]): List[A]

    Definition Classes
    SimpleExtractor

  13. def extractHeadOption(rows: Iterable[Row]): Option[A]

    Definition Classes
    SimpleExtractor

  14. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  16. def groupBy[B](groupBy: Extractor[Row, B]): GroupedExtractor[Row, A, B]

    Definition Classes
    SimpleExtractor

  17. def initialize(row: Row): A

    Definition Classes
    ConstantExtractor → Extractor

  18. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  19. def map[B](func: (A) ⇒ B, unapplyFunc: (B) ⇒ Option[Any]): MappedExtractor[Row, A, B]

    Definition Classes
    Extractor

  20. def map[B](func: (A) ⇒ B): MappedExtractor[Row, A, B]

    Definition Classes
    Extractor

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

    Definition Classes
    AnyRef

  22. final def notify(): Unit

    Definition Classes
    AnyRef

  23. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  25. val value: A

  26. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from SingleRowExtractor[Row, A]

Inherited from SimpleExtractor[Row, A]

Inherited from Extractor[Row, A]

Inherited from AnyRef

Inherited from Any

Ungrouped