Packages

  • package root
    Definition Classes
    root
  • package play

    Play framework.

    Play framework.

    Play

    http://www.playframework.com

    Definition Classes
    root
  • package api

    Contains the public API for Scala developers.

    Contains the public API for Scala developers.

    Access the current Play application
    import play.api.Play.current
    Read configuration
    val poolSize = configuration.getInt("engine.pool.size")
    Use the logger
    Logger.info("Hello!")
    Define a Plugin
    class MyPlugin(app: Application) extends Plugin
    Create adhoc applications (for testing)
    val application = Application(new File("."), this.getClass.getClassloader, None, Play.Mode.DEV)
    Definition Classes
    play
  • package libs

    Contains various APIs that are useful while developing web applications.

    Contains various APIs that are useful while developing web applications.

    Definition Classes
    api
  • package streams
    Definition Classes
    libs
  • Accumulator
  • ActorFlow
  • AkkaStreams
  • GzipFlow
  • Probes

sealed trait Accumulator[-E, +A] extends AnyRef

An accumulator of elements into a future of a result.

This is essentially a lightweight wrapper around a Sink that gets materialised to a Future, but provides convenient methods for working directly with that future as well as transforming the input.

Source
Accumulator.scala
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Abstract Value Members

  1. abstract def asJava: libs.streams.Accumulator[E, A]

    Convert this accumulator to a Java Accumulator.

    Convert this accumulator to a Java Accumulator.

    returns

    The Java accumulator.

  2. abstract def map[B](f: (A) ⇒ B)(implicit executor: ExecutionContext): Accumulator[E, B]

    Map the result of this accumulator to something else.

  3. abstract def mapFuture[B](f: (A) ⇒ Future[B])(implicit executor: ExecutionContext): Accumulator[E, B]

    Map the result of this accumulator to a future of something else.

  4. abstract def recover[B >: A](pf: PartialFunction[Throwable, B])(implicit executor: ExecutionContext): Accumulator[E, B]

    Recover from errors encountered by this accumulator.

  5. abstract def recoverWith[B >: A](pf: PartialFunction[Throwable, Future[B]])(implicit executor: ExecutionContext): Accumulator[E, B]

    Recover from errors encountered by this accumulator.

  6. abstract def run(elem: E)(implicit materializer: Materializer): Future[A]

    Run this accumulator by feeding a single element into it.

  7. abstract def run()(implicit materializer: Materializer): Future[A]

    Run this accumulator by feeding nothing into it.

  8. abstract def run(source: Source[E, _])(implicit materializer: Materializer): Future[A]

    Run this accumulator by feeding in the given source.

  9. abstract def through[F](flow: Flow[F, E, _]): Accumulator[F, A]

    Return a new accumulator that first feeds the input through the given flow before it goes through this accumulator.

  10. abstract def toSink: Sink[E, Future[A]]

    Convert this accumulator to a Sink that gets materialised to a Future.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
    Attributes
    protected[java.lang]
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    @native() @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean
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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]
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    Annotations
    @native()
  10. def hashCode(): Int
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    @native()
  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  13. final def notify(): Unit
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    @native()
  14. final def notifyAll(): Unit
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    @native()
  15. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  16. def toString(): String
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  17. final def wait(): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  18. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  19. final def wait(arg0: Long): Unit
    Definition Classes
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    Annotations
    @native() @throws( ... )
  20. def ~>:(source: Source[E, _])(implicit materializer: Materializer): Future[A]

    Right associative operator alias for run.

    Right associative operator alias for run.

    This can be used for a more fluent DSL that matches the flow of the data, for example:

    val intAccumulator: Accumulator[Int, Int] = ...
    val source = Source(1 to 3)
    val intFuture = source ~>: intAccumulator
  21. def ~>:[F](flow: Flow[F, E, _]): Accumulator[F, A]

    Right associative operator alias for through.

    Right associative operator alias for through.

    This can be used for a more fluent DSL that matches the flow of the data, for example:

    val intAccumulator: Accumulator[Int, Unit] = ...
    val toInt = Flow[String].map(_.toInt)
    val stringAccumulator = toInt ~>: intAccumulator

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