Class

com.twitter.algebird

BatchedMonoid

Related Doc: package algebird

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class BatchedMonoid[T] extends BatchedSemigroup[T] with Monoid[Batched[T]]

Compacting monoid for batched values.

This monoid ensures that the batch's tree structure has fewer than batchSize values in it. When more values are added, the tree is compacted using m.

Source
Batched.scala
Linear Supertypes
Monoid[Batched[T]], BatchedSemigroup[T], Semigroup[Batched[T]], Serializable, AnyRef, Any
Type Hierarchy
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. BatchedMonoid
  2. Monoid
  3. BatchedSemigroup
  4. Semigroup
  5. Serializable
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new BatchedMonoid(batchSize: Int)(implicit arg0: Monoid[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 assertNotZero(v: Batched[T]): Unit

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    Definition Classes
    Monoid

  6. def clone(): AnyRef

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

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

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    Definition Classes
    AnyRef

  8. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  9. def finalize(): Unit

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

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

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    Definition Classes
    AnyRef → Any

  11. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  12. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  13. def isNonZero(b: Batched[T]): Boolean

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    Definition Classes
    BatchedMonoid → Monoid

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

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    Definition Classes
    AnyRef

  15. def nonZeroOption(v: Batched[T]): Option[Batched[T]]

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    Definition Classes
    Monoid

  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(a: Batched[T], b: Batched[T]): Batched[T]

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    Combines two T instances associatively.

    Combines two T instances associatively.

    returns

    result of combining l and r

    Definition Classes
    BatchedSemigroup → Semigroup

  19. def sum(vs: TraversableOnce[Batched[T]]): Batched[T]

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    Definition Classes
    Monoid

  20. def sumOption(iter: TraversableOnce[Batched[T]]): Option[Batched[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
    Semigroup
    Note

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

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

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    Definition Classes
    AnyRef

  22. def toString(): String

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    Definition Classes
    AnyRef → Any

  23. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  26. val zero: Batched[T]

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    Returns the identity element of T for plus.

    Returns the identity element of T for plus.

    Definition Classes
    BatchedMonoid → Monoid

Inherited from Monoid[Batched[T]]

Inherited from BatchedSemigroup[T]

Inherited from Semigroup[Batched[T]]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped