final case class WatermarkRequestStrategy(highWatermark: Int, lowWatermark: Int) extends RequestStrategy with Product with Serializable

Requests up to the highWatermark when the remainingRequested is below the lowWatermark. This a good strategy when the actor performs work itself.

Source
ActorSubscriber.scala
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  1. WatermarkRequestStrategy
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. RequestStrategy
  7. AnyRef
  8. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
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Instance Constructors

  1. new WatermarkRequestStrategy(highWatermark: Int)

    Create WatermarkRequestStrategy with lowWatermark as half of the specified highWatermark.

  2. new WatermarkRequestStrategy(highWatermark: Int, lowWatermark: Int)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to any2stringadd[WatermarkRequestStrategy] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (WatermarkRequestStrategy, B)
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  8. def ensuring(cond: (WatermarkRequestStrategy) ⇒ Boolean, msg: ⇒ Any): WatermarkRequestStrategy
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  9. def ensuring(cond: (WatermarkRequestStrategy) ⇒ Boolean): WatermarkRequestStrategy
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  10. def ensuring(cond: Boolean, msg: ⇒ Any): WatermarkRequestStrategy
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: Boolean): WatermarkRequestStrategy
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to StringFormat[WatermarkRequestStrategy] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  15. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  16. val highWatermark: Int
  17. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  18. val lowWatermark: Int
  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 requestDemand(remainingRequested: Int): Int

    Invoked by the ActorSubscriber after each incoming message to determine how many more elements to request from the stream.

    Invoked by the ActorSubscriber after each incoming message to determine how many more elements to request from the stream.

    remainingRequested

    current remaining number of elements that have been requested from upstream but not received yet

    returns

    demand of more elements from the stream, returning 0 means that no more elements will be requested for now

    Definition Classes
    WatermarkRequestStrategyRequestStrategy
  23. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  24. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  25. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  26. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  27. def [B](y: B): (WatermarkRequestStrategy, B)
    Implicit
    This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from RequestStrategy

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from WatermarkRequestStrategy to any2stringadd[WatermarkRequestStrategy]

Inherited by implicit conversion StringFormat from WatermarkRequestStrategy to StringFormat[WatermarkRequestStrategy]

Inherited by implicit conversion Ensuring from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy]

Inherited by implicit conversion ArrowAssoc from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy]

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