akka.stream.actor

WatermarkRequestStrategy

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
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  5. Equals
  6. RequestStrategy
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  8. Any
Implicitly
  1. by any2stringadd
  2. by any2stringfmt
  3. by any2ArrowAssoc
  4. by any2Ensuring
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Instance Constructors

  1. new WatermarkRequestStrategy(highWatermark: Int)

    Create WatermarkRequestStrategy with lowWatermark as half of the specifed highWatermark.

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

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. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to StringAdd performed by method any2stringadd in scala.Predef.
    Definition Classes
    StringAdd
  5. def ->[B](y: B): (WatermarkRequestStrategy, B)

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  6. final def ==(arg0: AnyRef): Boolean

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

    Definition Classes
    Any
  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def ensuring(cond: (WatermarkRequestStrategy) ⇒ Boolean, msg: ⇒ Any): WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: (WatermarkRequestStrategy) ⇒ Boolean): WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. def ensuring(cond: Boolean, msg: ⇒ Any): WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  13. def ensuring(cond: Boolean): WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  14. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  15. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  16. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to StringFormat performed by method any2stringfmt in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  17. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  18. val highWatermark: Int

  19. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  20. val lowWatermark: Int

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

    Definition Classes
    AnyRef
  26. final def wait(): Unit

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

    Definition Classes
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    @throws( ... )
  28. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  29. def [B](y: B): (WatermarkRequestStrategy, B)

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implicit Value Members

  1. val self: Any

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to StringAdd performed by method any2stringadd in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (watermarkRequestStrategy: StringAdd).self
    Definition Classes
    StringAdd
  2. val self: Any

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to StringFormat performed by method any2stringfmt in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (watermarkRequestStrategy: StringFormat).self
    Definition Classes
    StringFormat

Deprecated Value Members

  1. def x: WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method any2ArrowAssoc in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (watermarkRequestStrategy: ArrowAssoc[WatermarkRequestStrategy]).x
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use leftOfArrow instead

  2. def x: WatermarkRequestStrategy

    Implicit information
    This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method any2Ensuring in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (watermarkRequestStrategy: Ensuring[WatermarkRequestStrategy]).x
    Definition Classes
    Ensuring
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use resultOfEnsuring instead

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 StringAdd

Inherited by implicit conversion any2stringfmt from WatermarkRequestStrategy to StringFormat

Inherited by implicit conversion any2ArrowAssoc from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy]

Inherited by implicit conversion any2Ensuring from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy]

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