com.twitter.storehaus.algebra

BufferingMergeable

Related Doc: package algebra

class BufferingMergeable[K, V] extends Mergeable[K, V]

A Mergeable that sits on top of another mergeable and pre-aggregates before pushing into merge/multiMerge This is very useful for cases where you have some keys that are very hot, or you have a remote mergeable that you don't want to constantly hit.

Linear Supertypes
Mergeable[K, V], Closable, AnyRef, Any
Known Subclasses
BufferingStore
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  1. BufferingMergeable
  2. Mergeable
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Visibility
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Instance Constructors

  1. new BufferingMergeable(store: Mergeable[K, V], summerCons: SummerConstructor[K])

Value Members

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

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  5. def clone(): AnyRef

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

  6. def close(t: Time): Future[Unit]

    Close this store and release any resources.

    Close this store and release any resources. It is undefined what happens if you merge after close

    Definition Classes
    BufferingMergeable → Mergeable → Closable

  7. def close(after: Duration): Future[Unit]

    Definition Classes
    Closable

  8. final def close(): Future[Unit]

    Definition Classes
    Closable

  9. implicit val collector: FutureCollector[Any]

    Attributes
    protected

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

    Definition Classes
    AnyRef

  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  12. def finalize(): Unit

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

  13. def flush: Future[Unit]

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

    Definition Classes
    AnyRef → Any

  15. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  16. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  17. def merge(kv: (K, V)): Future[Option[V]]

    Returns the value JUST BEFORE the merge.

    Returns the value JUST BEFORE the merge. If it is empty, it is like a zero. the key should hold: val (k,v) = kv result = get(k) key is set to: result.map(Semigroup.plus(_, Some(v)).getOrElse(v) after this.

    Definition Classes
    Mergeable

  18. def multiMerge[K1 <: K](kvs: Map[K1, V]): Map[K1, Future[Option[V]]]

    merge a set of keys.

    merge a set of keys.

    Definition Classes
    BufferingMergeable → Mergeable

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

    Definition Classes
    AnyRef

  20. final def notify(): Unit

    Definition Classes
    AnyRef

  21. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  22. def semigroup: Semigroup[V]

    The semigroup equivalent to the merge operation of this store

    The semigroup equivalent to the merge operation of this store

    Definition Classes
    BufferingMergeable → Mergeable

  23. val summer: StatefulSummer[Map[K, PromiseLink[V]]]

    Attributes
    protected

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

    Definition Classes
    AnyRef

  25. def toString(): String

    Definition Classes
    AnyRef → Any

  26. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Mergeable[K, V]

Inherited from Closable

Inherited from AnyRef

Inherited from Any

Ungrouped