com.twitter.algebird.statistics

StatisticsSemigroup

class StatisticsSemigroup[T] extends Semigroup[T]

collect statistics about the calls to the wrapped Semigroup

Linear Supertypes
Semigroup[T], AdditiveSemigroup[T], cats.kernel.Semigroup[T], Serializable, Serializable, AnyRef, Any
Known Subclasses
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Inherited
  1. StatisticsSemigroup
  2. Semigroup
  3. AdditiveSemigroup
  4. Semigroup
  5. Serializable
  6. Serializable
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new StatisticsSemigroup(threadSafe: Boolean = true)(implicit wrappedSemigroup: Semigroup[T])

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.Semigroup[T]

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

    Definition Classes
    Any
  8. def clone(): AnyRef

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

    Definition Classes
    Semigroup → Semigroup
  10. def combineAllOption(iter: TraversableOnce[T]): Option[T]

    Definition Classes
    Semigroup → Semigroup
  11. def combineN(a: T, n: Int): T

    Definition Classes
    Semigroup
  12. final def eq(arg0: AnyRef): Boolean

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

    Definition Classes
    AnyRef → Any
  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 getPlusCallCount: Long

  17. def getSumOptionCallCount: Long

  18. def getSumOptionCallTime: Long

  19. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  20. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  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. def plus(x: T, y: T): T

    Definition Classes
    StatisticsSemigroup → AdditiveSemigroup
  25. def positiveSumN(a: T, n: Int): T

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

    Attributes
    protected[this]
    Definition Classes
    Semigroup
  27. def sumN(a: T, n: Int): T

    Definition Classes
    AdditiveSemigroup
  28. def sumOption(iter: TraversableOnce[T]): Option[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].

    iter

    instances of T to be combined

    returns

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

    Definition Classes
    StatisticsSemigroupSemigroup
    Note

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

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

    Definition Classes
    AnyRef
  30. def toString(): String

    Definition Classes
    StatisticsSemigroup → AnyRef → Any
  31. def trySum(iter: TraversableOnce[T]): Option[T]

    Definition Classes
    Semigroup → AdditiveSemigroup
  32. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Semigroup[T]

Inherited from AdditiveSemigroup[T]

Inherited from cats.kernel.Semigroup[T]

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped