1 files changed, 0 insertions, 165 deletions
diff --git a/test/disabled/presentation/akka/src/akka/dataflow/DataFlow.scala b/test/disabled/presentation/akka/src/akka/dataflow/DataFlow.scala
deleted file mode 100644
index bca7936116..0000000000
--- a/test/disabled/presentation/akka/src/akka/dataflow/DataFlow.scala
+++ /dev/null
@@ -1,165 +0,0 @@
-/**
- * Copyright (C) 2009-2011 Scalable Solutions AB <http://scalablesolutions.se>
- */
-
-package akka.dataflow
-
-import java.util.concurrent.atomic.AtomicReference
-import java.util.concurrent.{ ConcurrentLinkedQueue, LinkedBlockingQueue }
-
-import akka.event.EventHandler
-import akka.actor.{ Actor, ActorRef }
-import akka.actor.Actor._
-import akka.dispatch.CompletableFuture
-import akka.AkkaException
-import akka.japi.{ Function, Effect }
-
-/**
- * Implements Oz-style dataflow (single assignment) variables.
- *
- * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
- */
-object DataFlow {
-  object Start
-  object Exit
-
-  class DataFlowVariableException(message: String, cause: Throwable = null) extends AkkaException(message, cause)
-
-  /**
-   * Executes the supplied thunk in another thread.
-   */
-  def thread(body: => Unit): Unit = spawn(body)
-
-  /**
-   * JavaAPI.
-   * Executes the supplied Effect in another thread.
-   */
-  def thread(body: Effect): Unit = spawn(body.apply)
-
-  /**
-   * Executes the supplied function in another thread.
-   */
-  def thread[A <: AnyRef, R <: AnyRef](body: A => R) =
-    actorOf(new ReactiveEventBasedThread(body)).start()
-
-  /**
-   * JavaAPI.
-   * Executes the supplied Function in another thread.
-   */
-  def thread[A <: AnyRef, R <: AnyRef](body: Function[A, R]) =
-    actorOf(new ReactiveEventBasedThread(body.apply)).start()
-
-  private class ReactiveEventBasedThread[A <: AnyRef, T <: AnyRef](body: A => T)
-    extends Actor {
-    def receive = {
-      case Exit    => self.stop()
-      case message => self.reply(body(message.asInstanceOf[A]))
-    }
-  }
-
-  private object DataFlowVariable {
-    private sealed abstract class DataFlowVariableMessage
-    private case class Set[T <: Any](value: T) extends DataFlowVariableMessage
-    private object Get extends DataFlowVariableMessage
-  }
-
-  /**
-   * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
-   */
-  @deprecated("Superceeded by Future and CompletableFuture as of 1.1", "1.1")
-  sealed class DataFlowVariable[T <: Any](timeoutMs: Long) {
-    import DataFlowVariable._
-
-    def this() = this(1000 * 60)
-
-    private val value = new AtomicReference[Option[T]](None)
-    private val blockedReaders = new ConcurrentLinkedQueue[ActorRef]
-
-    private class In[T <: Any](dataFlow: DataFlowVariable[T]) extends Actor {
-      self.timeout = timeoutMs
-      def receive = {
-        case s@Set(v) =>
-          if (dataFlow.value.compareAndSet(None, Some(v.asInstanceOf[T]))) {
-            while (dataFlow.blockedReaders.peek ne null)
-              dataFlow.blockedReaders.poll ! s
-          } else throw new DataFlowVariableException(
-            "Attempt to change data flow variable (from [" + dataFlow.value.get + "] to [" + v + "])")
-        case Exit => self.stop()
-      }
-    }
-
-    private class Out[T <: Any](dataFlow: DataFlowVariable[T]) extends Actor {
-      self.timeout = timeoutMs
-      private var readerFuture: Option[CompletableFuture[Any]] = None
-      def receive = {
-        case Get => dataFlow.value.get match {
-          case Some(value) => self reply value
-          case None        => readerFuture = self.senderFuture
-        }
-        case Set(v: T) => readerFuture.map(_ completeWithResult v)
-        case Exit      => self.stop()
-      }
-    }
-
-    private[this] val in = actorOf(new In(this)).start()
-
-    /**
-     * Sets the value of this variable (if unset) with the value of the supplied variable.
-     */
-    def <<(ref: DataFlowVariable[T]) {
-      if (this.value.get.isEmpty) in ! Set(ref())
-      else throw new DataFlowVariableException(
-        "Attempt to change data flow variable (from [" + this.value.get + "] to [" + ref() + "])")
-    }
-
-    /**
-     * JavaAPI.
-     * Sets the value of this variable (if unset) with the value of the supplied variable.
-     */
-    def set(ref: DataFlowVariable[T]) { this << ref }
-
-    /**
-     * Sets the value of this variable (if unset).
-     */
-    def <<(value: T) {
-      if (this.value.get.isEmpty) in ! Set(value)
-      else throw new DataFlowVariableException(
-        "Attempt to change data flow variable (from [" + this.value.get + "] to [" + value + "])")
-    }
-
-    /**
-     * JavaAPI.
-     * Sets the value of this variable (if unset) with the value of the supplied variable.
-     */
-    def set(value: T) { this << value }
-
-    /**
-     * Retrieves the value of variable, throws a DataFlowVariableException if it times out.
-     */
-    def get(): T = this()
-
-    /**
-     * Retrieves the value of variable, throws a DataFlowVariableException if it times out.
-     */
-    def apply(): T = {
-      value.get getOrElse {
-        val out = actorOf(new Out(this)).start()
-
-        val result = try {
-          blockedReaders offer out
-          (out !! Get).as[T]
-        } catch {
-          case e: Exception =>
-            EventHandler.error(e, this, e.getMessage)
-            out ! Exit
-            throw e
-        }
-
-        result.getOrElse(throw new DataFlowVariableException(
-          "Timed out (after " + timeoutMs + " milliseconds) while waiting for result"))
-      }
-    }
-
-    def shutdown() { in ! Exit }
-  }
-}