diff options
Diffstat (limited to 'src/actors-migration/scala/actors/migration/ActorDSL.scala')
| -rw-r--r-- | src/actors-migration/scala/actors/migration/ActorDSL.scala | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/actors-migration/scala/actors/migration/ActorDSL.scala b/src/actors-migration/scala/actors/migration/ActorDSL.scala deleted file mode 100644 index b8cb8ec998..0000000000 --- a/src/actors-migration/scala/actors/migration/ActorDSL.scala +++ /dev/null @@ -1,56 +0,0 @@ -/* __ *\ -** ________ ___ / / ___ Scala API ** -** / __/ __// _ | / / / _ | (c) 2005-2011, LAMP/EPFL ** -** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** -** /____/\___/_/ |_/____/_/ | | ** -** |/ ** -\* */ - -package scala.actors -package migration - -import scala.actors.{ Actor, ActorRef, InternalActorRef } -import scala.collection.immutable -import scala.reflect.ClassTag - -object ActorDSL { - - private[migration] val contextStack = new ThreadLocal[immutable.Stack[Boolean]] { - override def initialValue() = immutable.Stack[Boolean]() - } - - private[this] def withCleanContext(block: => ActorRef): ActorRef = { - // push clean marker - val old = contextStack.get - contextStack.set(old.push(true)) - try { - val instance = block - - if (instance eq null) - throw new Exception("ActorRef can't be 'null'") - - instance - } finally { - val stackAfter = contextStack.get - if (stackAfter.nonEmpty) - contextStack.set(if (!stackAfter.head) stackAfter.pop.pop else stackAfter.pop) - } - } - - /** - * Create an actor from the given thunk which must produce an [[scala.actors.Actor]]. - * - * @param ctor is a by-name argument which captures an [[scala.actors.Actor]] - * factory; <b>do not make the generated object accessible to code - * outside and do not return the same object upon subsequent invocations.</b> - */ - def actor[T <: InternalActor: ClassTag](ctor: ⇒ T): ActorRef = { - withCleanContext { - val newActor = ctor - val newRef = new InternalActorRef(newActor) - newActor.start() - newRef - } - } - -} |