Class

com.twitter.algebird.statistics

StatisticsSemigroup

Related Doc: package statistics

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class StatisticsSemigroup[T] extends Semigroup[T]

collect statistics about the calls to the wrapped Semigroup

Source
Statistics.scala
Linear Supertypes
Semigroup[T], Serializable, AnyRef, Any
Known Subclasses
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Inherited
  1. StatisticsSemigroup
  2. Semigroup
  3. Serializable
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Visibility
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Instance Constructors

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

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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. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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

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

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  10. def getPlusCallCount: Long

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  11. def getSumOptionCallCount: Long

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  12. def getSumOptionCallTime: Long

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  13. def hashCode(): Int

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

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    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean

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

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

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

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    Combines two T instances associatively.

    Combines two T instances associatively.

    returns

    result of combining l and r

    Definition Classes
    StatisticsSemigroupSemigroup
  19. def sumOption(iter: TraversableOnce[T]): Option[T]

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    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.

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

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    Definition Classes
    AnyRef
  21. def toString(): String

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    Definition Classes
    StatisticsSemigroup → AnyRef → Any
  22. final def wait(): Unit

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

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    @throws( ... )
  24. final def wait(arg0: Long): Unit

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    Definition Classes
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    @throws( ... )

Inherited from Semigroup[T]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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