Packages

  • package root
    Definition Classes
    root
  • package gopher

    Provides scala API for 'go-like' CSP channels.

    Provides scala API for 'go-like' CSP channels.

    Overview

    see readme for quick introduction.

    Usage

    At first you must receive gopherApi as Akka extension:

    import gopher._

.....
val gopherApi = Gopher(actorSystem)

    Then you can use CPS channels with blocling operations inside go clauses:

    val channel = gopherApi.makeChannel[Long]
val n = 10000
val producer = go {
 @volatile var(x,y) = (0L,1L)
 for( s <- gopherApi.select.forever) {
   case z: channel.write if (z==x) =>
              x = y
              y = x+z
              if (x > n) {
                 channel.close
                 implicitly[FlowTermination[Unit]].doExit()
              }
 }
}
val consumer = for((c,i) <- channel.zip(1 to n)) {
   Console.println(s"fib(${i})=${c}")
}
Await.ready(consumer, 10 seconds)

    and defer/recover in go/goScope

    goScope{
  val f = openFile(myFileName)
  defer{
    if (! recover{case ex:FileNotFoundException => Console.println("invalid fname")}) {
       f.close()
    }
  }
}
    Definition Classes
    root
    See also

    channels.SelectFactory

    channels.SelectorBuilder

    channels.Output

    channels.Input

    channels.Channel

    GopherAPI

  • package goasync
    Definition Classes
    gopher
  • AsyncApply
  • AsyncIterable
  • AsyncOption
  • AsyncWrapper
  • GoAsync
o

gopher.goasync

GoAsync

object GoAsync

async arround go.

Basicly go is

  1. translate await-like exressions inside inline functions to calls of appropriative async functions. (or show error if not found). x.foreach{ x => p; await(x); .. } become await( transform-defer( x.foreachAsync{ x => async(p; await(x); ..) }) ) (note, that channel.read macroses are expanded to await-s on this point)

2. transform defer calls if defer statement is found inside go: asnyc{ p .. defer(x) .. } become (reallity is a little complext, here is just idea) { val d = new Defers(); async{ p .. d.defer(x) .. }.onComplete(d.tryProcess) }

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def applyAsync[T](c: Context)(nbody: scala.reflect.macros.blackbox.Context.Tree)(ec: scala.reflect.macros.blackbox.Context.Expr[ExecutionContext])(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Tree
  5. final def asInstanceOf[T0]: T0
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  7. def containsDefer[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Expr[T])(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): Boolean
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  10. def finalize(): Unit
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  11. def findAwait(c: Context)(body: scala.reflect.macros.blackbox.Context.Tree): Boolean
  12. final def getClass(): Class[_]
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  13. def goImpl[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Expr[T])(ec: scala.reflect.macros.blackbox.Context.Expr[ExecutionContext])(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Expr[Future[T]]
  14. def goScopeImpl[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Expr[T])(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Expr[T]
  15. def hashCode(): Int
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  16. final def isInstanceOf[T0]: Boolean
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  17. final def ne(arg0: AnyRef): Boolean
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  18. final def notify(): Unit
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  19. final def notifyAll(): Unit
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  20. final def synchronized[T0](arg0: ⇒ T0): T0
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  21. def toString(): String
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  22. def transformAsyncBody[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Tree)(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Tree
  23. def transformDefer[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Tree)(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Tree
  24. macro def transformDeferMacro[T](body: Future[T]): Future[T]
  25. def transformDeferMacroImpl[T](c: Context)(body: scala.reflect.macros.blackbox.Context.Expr[Future[T]])(implicit arg0: scala.reflect.macros.blackbox.Context.WeakTypeTag[T]): scala.reflect.macros.blackbox.Context.Expr[Future[T]]
  26. def transformInlineHofCall1(c: Context)(fun: scala.reflect.macros.blackbox.Context.Tree, param: scala.reflect.macros.blackbox.Context.Tree, body: scala.reflect.macros.blackbox.Context.Tree, implicitParams: List[scala.reflect.macros.blackbox.Context.Tree]): scala.reflect.macros.blackbox.Context.Tree
  27. final def wait(): Unit
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  28. final def wait(arg0: Long, arg1: Int): Unit
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  29. final def wait(arg0: Long): Unit
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