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.

    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 concurrent
    Definition Classes
    libs
  • trait LowPriorityFuturesImplicits extends AnyRef

    Low priority implicits to add withTimeout methods to scala.concurrent.Future.

    Low priority implicits to add withTimeout methods to scala.concurrent.Future.

    You can dependency inject the ActorSystem as follows to create a Future that will timeout after a certain period of time:

    class MyService @Inject()(piCalculator: PiCalculator)(implicit futures: Futures) {

  def calculateWithTimeout(timeoutDuration: FiniteDuration): Future[Int] = {
     piCalculator.rawCalculation().withTimeout(timeoutDuration)
  }
}

    You should check for timeout by using scala.concurrent.Future.recover or scala.concurrent.Future.recoverWith and checking for scala.concurrent.TimeoutException:

    val future = myService.calculateWithTimeout(100 millis).recover {
  case _: TimeoutException =>
    -1
}
    Definition Classes
    concurrent
  • FutureOps

implicit class FutureOps[T] extends AnyRef

Source
Futures.scala
Linear Supertypes
AnyRef, Any
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Instance Constructors

  1. new FutureOps(future: Future[T])

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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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  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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  14. final def notifyAll(): Unit
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    @native()
  15. final def synchronized[T0](arg0: ⇒ T0): T0
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  16. def toString(): String
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  17. final def wait(): Unit
    Definition Classes
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    @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
    AnyRef
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    @throws( ... ) @native()
  20. def withDelay(duration: FiniteDuration)(implicit futures: Futures): Future[T]

    Creates a future which will be executed after the given delay.

    Creates a future which will be executed after the given delay.

    duration

    the duration after which the future should be executed.

    futures

    the implicit Futures.

    returns

    the future delayed by the specified duration.

  21. def withTimeout(implicit akkaTimeout: Timeout, futures: Futures): Future[T]

    Creates a future which will resolve to a timeout exception if the given Future has not successfully completed within timeoutDuration.

    Creates a future which will resolve to a timeout exception if the given Future has not successfully completed within timeoutDuration.

    This version uses an implicit akka.util.Timeout rather than a scala.concurrent.duration.FiniteDuration.

    Note that timeout is not the same as cancellation. Even in case of timeout, the given future will still complete, even though that completed value is not returned.

    akkaTimeout

    the duration after which a Future.failed(TimeoutException) should be thrown.

    futures

    the implicit Futures.

    returns

    the future that completes first, either the failed future, or the operation.

  22. def withTimeout(timeoutDuration: FiniteDuration)(implicit futures: Futures): Future[T]

    Creates a future which will resolve to a timeout exception if the given scala.concurrent.Future has not successfully completed within timeoutDuration.

    Creates a future which will resolve to a timeout exception if the given scala.concurrent.Future has not successfully completed within timeoutDuration.

    Note that timeout is not the same as cancellation. Even in case of timeout, the given future will still complete, even though that completed value is not returned.

    timeoutDuration

    the duration after which a Future.failed(TimeoutException) should be thrown.

    futures

    the implicit Futures.

    returns

    the future that completes first, either the failed future, or the operation.

Deprecated Value Members

  1. def withDelay[A](duration: FiniteDuration)(future: Future[A])(implicit futures: Futures): Future[A]

    Creates a future which will be executed after the given delay.

    Creates a future which will be executed after the given delay.

    duration

    the duration after which the future should be executed.

    futures

    the implicit Futures.

    returns

    the future delayed by the specified duration.

    Annotations
    @deprecated
    Deprecated

    (Since version 2.6.6) Use future.withDelay(duration) or futures.delayed(duration)(future)

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