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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- This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
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def
ensuring(cond: (WatermarkRequestStrategy) ⇒ Boolean): WatermarkRequestStrategy
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- This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
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def
ensuring(cond: Boolean, msg: ⇒ Any): WatermarkRequestStrategy
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- This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
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- This member is added by an implicit conversion from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy] performed by method Ensuring in scala.Predef.
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def
formatted(fmtstr: String): String
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- This member is added by an implicit conversion from WatermarkRequestStrategy to StringFormat[WatermarkRequestStrategy] performed by method StringFormat in scala.Predef.
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- val highWatermark: Int
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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
- WatermarkRequestStrategy → RequestStrategy
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Inherited by implicit conversion any2stringadd from WatermarkRequestStrategy to any2stringadd[WatermarkRequestStrategy]
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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
Inherited by implicit conversion StringFormat from WatermarkRequestStrategy to StringFormat[WatermarkRequestStrategy]
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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
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Inherited by implicit conversion Ensuring from WatermarkRequestStrategy to Ensuring[WatermarkRequestStrategy]
Value Members
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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
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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
-
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
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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
Inherited by implicit conversion ArrowAssoc from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy]
Value Members
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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.
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def
→[B](y: B): (WatermarkRequestStrategy, B)
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- This member is added by an implicit conversion from WatermarkRequestStrategy to ArrowAssoc[WatermarkRequestStrategy] performed by method ArrowAssoc in scala.Predef.
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final
def
##(): Int
- Definition Classes
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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
-
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
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- @inline()
-
final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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- @native() @HotSpotIntrinsicCandidate() @throws( ... )
-
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
-
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
-
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
-
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
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
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()
-
final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- val highWatermark: Int
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- val lowWatermark: Int
-
final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
final
def
notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
-
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
- WatermarkRequestStrategy → RequestStrategy
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
- AnyRef
-
final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @throws( ... )
-
final
def
wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
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
-
def
finalize(): Unit
- Attributes
- protected[java.lang]
- Definition Classes
- AnyRef
- Annotations
- @Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
- Deprecated
(Since version ) see corresponding Javadoc for more information.