com.twitter.algebird

WindowMonoid

abstract class WindowMonoid[T] extends Monoid[Window[T]]

Provides a natural monoid for combining windows truncated to some window size.

Linear Supertypes
Monoid[Window[T]], AdditiveMonoid[Window[T]], cats.kernel.Monoid[Window[T]], Semigroup[Window[T]], AdditiveSemigroup[Window[T]], cats.kernel.Semigroup[Window[T]], Serializable, Serializable, AnyRef, Any
Known Subclasses
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Inherited
  1. WindowMonoid
  2. Monoid
  3. AdditiveMonoid
  4. Monoid
  5. Semigroup
  6. AdditiveSemigroup
  7. Semigroup
  8. Serializable
  9. Serializable
  10. AnyRef
  11. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new WindowMonoid(windowSize: Int)

    windowSize

    Upper limit of the number of items in a window.

Abstract Value Members

  1. abstract def monoid: Monoid[T]

  2. abstract def plus(x: Window[T], y: Window[T]): Window[T]

    Definition Classes
    AdditiveSemigroup

Concrete Value Members

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

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. def additive: algebra.Monoid[Window[T]]

    These are from algebra.

    These are from algebra.Monoid

    Definition Classes
    Monoid → AdditiveMonoid → Semigroup → AdditiveSemigroup
  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  8. def assertNotZero(v: Window[T]): Unit

    Definition Classes
    Monoid
  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def combine(l: Window[T], r: Window[T]): Window[T]

    Definition Classes
    Semigroup → Semigroup
  11. def combineAll(t: TraversableOnce[Window[T]]): Window[T]

    Definition Classes
    Monoid → Monoid
  12. def combineAllOption(as: TraversableOnce[Window[T]]): Option[Window[T]]

    Definition Classes
    Monoid → Semigroup
  13. def combineN(a: Window[T], n: Int): Window[T]

    Definition Classes
    Monoid → Semigroup
  14. def empty: Window[T]

    Definition Classes
    Monoid → Monoid
  15. final def eq(arg0: AnyRef): Boolean

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

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

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  18. def fromIterable(ts: Iterable[T]): Window[T]

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

    Definition Classes
    AnyRef → Any
  20. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  21. def isEmpty(a: Window[T])(implicit ev: Eq[Window[T]]): Boolean

    Definition Classes
    Monoid
  22. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  23. def isNonZero(v: Window[T]): Boolean

    Definition Classes
    Monoid
  24. def isZero(a: Window[T])(implicit ev: Eq[Window[T]]): Boolean

    Definition Classes
    AdditiveMonoid
  25. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  26. def nonZeroOption(v: Window[T]): Option[Window[T]]

    Definition Classes
    Monoid
  27. final def notify(): Unit

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

    Definition Classes
    AnyRef
  29. def positiveSumN(a: Window[T], n: Int): Window[T]

    Attributes
    protected[this]
    Definition Classes
    AdditiveSemigroup
  30. def repeatedCombineN(a: Window[T], n: Int): Window[T]

    Attributes
    protected[this]
    Definition Classes
    Semigroup
  31. def sum(vs: TraversableOnce[Window[T]]): Window[T]

    Definition Classes
    Monoid → AdditiveMonoid
  32. def sumN(a: Window[T], n: Int): Window[T]

    Definition Classes
    AdditiveMonoid → AdditiveSemigroup
  33. def sumOption(ws: TraversableOnce[Window[T]]): Option[Window[T]]

    Returns an instance of T calculated by summing all instances in iter in one pass.

    Returns an instance of T calculated by summing all instances in iter in one pass. Returns None if iter is empty, else Some[T].

    returns

    None if iter is empty, else an option value containing the summed T

    Definition Classes
    WindowMonoidSemigroup
    Note

    Override if there is a faster way to compute this sum than iter.reduceLeftOption using plus.

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

    Definition Classes
    AnyRef
  35. def toString(): String

    Definition Classes
    AnyRef → Any
  36. def trySum(as: TraversableOnce[Window[T]]): Option[Window[T]]

    Definition Classes
    AdditiveMonoid → AdditiveSemigroup
  37. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  40. val zero: Window[T]

    Definition Classes
    WindowMonoid → AdditiveMonoid

Inherited from Monoid[Window[T]]

Inherited from AdditiveMonoid[Window[T]]

Inherited from cats.kernel.Monoid[Window[T]]

Inherited from Semigroup[Window[T]]

Inherited from AdditiveSemigroup[Window[T]]

Inherited from cats.kernel.Semigroup[Window[T]]

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped