Class

com.audienceproject.crossbow.expr

Aggregator

Related Doc: package expr

Permalink

abstract class Aggregator extends Expr

Aggregators are also Exprs. If evaluated as an Aggregator with reduceOn, it can be used by the GroupBy algorithm. If compiled directly as an Expr, it will throw an AggregationException to indicate unintended use.

Linear Supertypes
Expr, ComparisonOps, BooleanOps, ArithmeticOps, BaseOps, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Aggregator
  2. Expr
  3. ComparisonOps
  4. BooleanOps
  5. ArithmeticOps
  6. BaseOps
  7. AnyRef
  8. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new Aggregator(expr: Expr)

    Permalink

    expr

    the inner Expr

Abstract Value Members

  1. abstract def typeSpec(op: Specialized[_]): Reducer[_, _]

    Permalink
    Attributes
    protected

Concrete Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Permalink
    Definition Classes
    AnyRef → Any

  3. def %(other: Expr): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  4. def &&(other: Expr): Expr

    Permalink
    Definition Classes
    BooleanOps

  5. def *(other: Expr): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  6. def +(other: Expr): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  7. def -(other: Expr): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  8. def /(other: Expr): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  9. def <(other: Expr): Expr

    Permalink
    Definition Classes
    ComparisonOps

  10. def <=(other: Expr): Expr

    Permalink
    Definition Classes
    ComparisonOps

  11. def =!=(other: Expr): Expr

    Permalink
    Definition Classes
    BaseOps

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

    Permalink
    Definition Classes
    AnyRef → Any

  13. def ===(other: Expr): Expr

    Permalink
    Definition Classes
    BaseOps

  14. def >(other: Expr): Expr

    Permalink
    Definition Classes
    ComparisonOps

  15. def >=(other: Expr): Expr

    Permalink
    Definition Classes
    ComparisonOps

  16. def abs(): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  17. def as(name: String): Expr

    Permalink
    Definition Classes
    BaseOps

  18. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any

  19. def clone(): AnyRef

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

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

    Permalink
    Definition Classes
    AnyRef

  21. def equals(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any

  22. def finalize(): Unit

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

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

    Permalink
    Definition Classes
    AnyRef → Any

  24. def hashCode(): Int

    Permalink
    Definition Classes
    AnyRef → Any

  25. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any

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

    Permalink
    Definition Classes
    AnyRef

  27. def negate(): Expr

    Permalink
    Definition Classes
    ArithmeticOps

  28. def not(): Expr

    Permalink
    Definition Classes
    BooleanOps

  29. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef

  30. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef

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

    Permalink
    Definition Classes
    AnyRef

  32. def toString(): String

    Permalink
    Definition Classes
    AnyRef → Any

  33. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  36. def ||(other: Expr): Expr

    Permalink
    Definition Classes
    BooleanOps

Inherited from Expr

Inherited from ComparisonOps

Inherited from BooleanOps

Inherited from ArithmeticOps

Inherited from BaseOps

Inherited from AnyRef

Inherited from Any

Ungrouped