rm -r test/{flaky,disabled*,checker-tests,support,debug}

keeping this stuff, somewhere, forever and ever and ever is what
version control is for.

who dares disturb the ancient and accursed tomb of all this code...?

1 files changed, 0 insertions, 389 deletions

diff --git a/test/disabled/presentation/akka/src/akka/actor/ActorRegistry.scala b/test/disabled/presentation/akka/src/akka/actor/ActorRegistry.scala
deleted file mode 100644
index 224775129b..0000000000
--- a/test/disabled/presentation/akka/src/akka/actor/ActorRegistry.scala
+++ /dev/null
@@ -1,389 +0,0 @@
-/**
- * Copyright (C) 2009-2011 Scalable Solutions AB <http://scalablesolutions.se>
- */
-
-package akka.actor
-
-import scala.collection.mutable.{ ListBuffer, Map }
-import scala.reflect.ArrayTag
-
-import java.util.concurrent.{ ConcurrentSkipListSet, ConcurrentHashMap }
-import java.util.{ Set => JSet }
-
-import annotation.tailrec
-import akka.util.ReflectiveAccess._
-import akka.util.{ ReflectiveAccess, ReadWriteGuard, ListenerManagement }
-
-/**
- * Base trait for ActorRegistry events, allows listen to when an actor is added and removed from the ActorRegistry.
- *
- * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
- */
-sealed trait ActorRegistryEvent
-case class ActorRegistered(actor: ActorRef) extends ActorRegistryEvent
-case class ActorUnregistered(actor: ActorRef) extends ActorRegistryEvent
-
-/**
- * Registry holding all Actor instances in the whole system.
- * Mapped by:
- * <ul>
- * <li>the Actor's UUID</li>
- * <li>the Actor's id field (which can be set by user-code)</li>
- * <li>the Actor's class</li>
- * <li>all Actors that are subtypes of a specific type</li>
- * <ul>
- *
- * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
- */
-
-final class ActorRegistry private[actor] () extends ListenerManagement {
-
-  private val actorsByUUID = new ConcurrentHashMap[Uuid, ActorRef]
-  private val actorsById = new Index[String, ActorRef]
-  private val guard = new ReadWriteGuard
-
-  /**
-   * Returns all actors in the system.
-   */
-  def actors: Array[ActorRef] = filter(_ => true)
-
-  /**
-   * Returns the number of actors in the system.
-   */
-  def size: Int = actorsByUUID.size
-
-  /**
-   * Invokes a function for all actors.
-   */
-  def foreach(f: (ActorRef) => Unit) = {
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) f(elements.nextElement)
-  }
-
-  /**
-   * Invokes the function on all known actors until it returns Some
-   * Returns None if the function never returns Some
-   */
-  def find[T](f: PartialFunction[ActorRef, T]): Option[T] = {
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) {
-      val element = elements.nextElement
-      if (f isDefinedAt element) return Some(f(element))
-    }
-    None
-  }
-
-  /**
-   * Finds all actors that are subtypes of the class passed in as the ClassTag argument and supporting passed message.
-   */
-  def actorsFor[T <: Actor](message: Any)(implicit classTag: ClassTag[T]): Array[ActorRef] =
-    filter(a => classTag.erasure.isAssignableFrom(a.actor.getClass) && a.isDefinedAt(message))
-
-  /**
-   * Finds all actors that satisfy a predicate.
-   */
-  def filter(p: ActorRef => Boolean): Array[ActorRef] = {
-    val all = new ListBuffer[ActorRef]
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) {
-      val actorId = elements.nextElement
-      if (p(actorId)) all += actorId
-    }
-    all.toArray
-  }
-
-  /**
-   * Finds all actors that are subtypes of the class passed in as the ClassTag argument.
-   */
-  def actorsFor[T <: Actor](implicit classTag: ClassTag[T]): Array[ActorRef] =
-    actorsFor[T](classTag.erasure.asInstanceOf[Class[T]])
-
-  /**
-   * Finds any actor that matches T. Very expensive, traverses ALL alive actors.
-   */
-  def actorFor[T <: Actor](implicit classTag: ClassTag[T]): Option[ActorRef] =
-    find({ case a: ActorRef if classTag.erasure.isAssignableFrom(a.actor.getClass) => a })
-
-  /**
-   * Finds all actors of type or sub-type specified by the class passed in as the Class argument.
-   */
-  def actorsFor[T <: Actor](clazz: Class[T]): Array[ActorRef] =
-    filter(a => clazz.isAssignableFrom(a.actor.getClass))
-
-  /**
-   * Finds all actors that has a specific id.
-   */
-  def actorsFor(id: String): Array[ActorRef] = actorsById values id
-
-  /**
-   * Finds the actor that has a specific UUID.
-   */
-  def actorFor(uuid: Uuid): Option[ActorRef] = Option(actorsByUUID get uuid)
-
-  /**
-   * Returns all typed actors in the system.
-   */
-  def typedActors: Array[AnyRef] = filterTypedActors(_ => true)
-
-  /**
-   * Invokes a function for all typed actors.
-   */
-  def foreachTypedActor(f: (AnyRef) => Unit) = {
-    TypedActorModule.ensureEnabled
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) {
-      val proxy = typedActorFor(elements.nextElement)
-      if (proxy.isDefined) f(proxy.get)
-    }
-  }
-
-  /**
-   * Invokes the function on all known typed actors until it returns Some
-   * Returns None if the function never returns Some
-   */
-  def findTypedActor[T](f: PartialFunction[AnyRef, T]): Option[T] = {
-    TypedActorModule.ensureEnabled
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) {
-      val proxy = typedActorFor(elements.nextElement)
-      if (proxy.isDefined && (f isDefinedAt proxy)) return Some(f(proxy))
-    }
-    None
-  }
-
-  /**
-   * Finds all typed actors that satisfy a predicate.
-   */
-  def filterTypedActors(p: AnyRef => Boolean): Array[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    val all = new ListBuffer[AnyRef]
-    val elements = actorsByUUID.elements
-    while (elements.hasMoreElements) {
-      val proxy = typedActorFor(elements.nextElement)
-      if (proxy.isDefined && p(proxy.get)) all += proxy.get
-    }
-    all.toArray
-  }
-
-  /**
-   * Finds all typed actors that are subtypes of the class passed in as the ClassTag argument.
-   */
-  def typedActorsFor[T <: AnyRef](implicit classTag: ClassTag[T]): Array[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    typedActorsFor[T](classTag.erasure.asInstanceOf[Class[T]])
-  }
-
-  /**
-   * Finds any typed actor that matches T.
-   */
-  def typedActorFor[T <: AnyRef](implicit classTag: ClassTag[T]): Option[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    def predicate(proxy: AnyRef): Boolean = {
-      val actorRef = TypedActorModule.typedActorObjectInstance.get.actorFor(proxy)
-      actorRef.isDefined && classTag.erasure.isAssignableFrom(actorRef.get.actor.getClass)
-    }
-    findTypedActor({ case a: Some[AnyRef] if predicate(a.get) => a })
-  }
-
-  /**
-   * Finds all typed actors of type or sub-type specified by the class passed in as the Class argument.
-   */
-  def typedActorsFor[T <: AnyRef](clazz: Class[T]): Array[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    def predicate(proxy: AnyRef): Boolean = {
-      val actorRef = TypedActorModule.typedActorObjectInstance.get.actorFor(proxy)
-      actorRef.isDefined && clazz.isAssignableFrom(actorRef.get.actor.getClass)
-    }
-    filterTypedActors(predicate)
-  }
-
-  /**
-   * Finds all typed actors that have a specific id.
-   */
-  def typedActorsFor(id: String): Array[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    val actorRefs = actorsById values id
-    actorRefs.flatMap(typedActorFor(_))
-  }
-
-  /**
-   * Finds the typed actor that has a specific UUID.
-   */
-  def typedActorFor(uuid: Uuid): Option[AnyRef] = {
-    TypedActorModule.ensureEnabled
-    val actorRef = actorsByUUID get uuid
-    if (actorRef eq null) None
-    else typedActorFor(actorRef)
-  }
-
-  /**
-   * Get the typed actor proxy for a given typed actor ref.
-   */
-  private def typedActorFor(actorRef: ActorRef): Option[AnyRef] = {
-    TypedActorModule.typedActorObjectInstance.get.proxyFor(actorRef)
-  }
-
-  /**
-   *  Registers an actor in the ActorRegistry.
-   */
-  private[akka] def register(actor: ActorRef) {
-    val id = actor.id
-    val uuid = actor.uuid
-
-    actorsById.put(id, actor)
-    actorsByUUID.put(uuid, actor)
-
-    // notify listeners
-    notifyListeners(ActorRegistered(actor))
-  }
-
-  /**
-   * Unregisters an actor in the ActorRegistry.
-   */
-  private[akka] def unregister(actor: ActorRef) {
-    val id = actor.id
-    val uuid = actor.uuid
-
-    actorsByUUID remove uuid
-    actorsById.remove(id, actor)
-
-    // notify listeners
-    notifyListeners(ActorUnregistered(actor))
-  }
-
-  /**
-   * Shuts down and unregisters all actors in the system.
-   */
-  def shutdownAll() {
-    if (TypedActorModule.isEnabled) {
-      val elements = actorsByUUID.elements
-      while (elements.hasMoreElements) {
-        val actorRef = elements.nextElement
-        val proxy = typedActorFor(actorRef)
-        if (proxy.isDefined) TypedActorModule.typedActorObjectInstance.get.stop(proxy.get)
-        else actorRef.stop()
-      }
-    } else foreach(_.stop())
-    if (Remote.isEnabled) {
-      Actor.remote.clear //TODO: REVISIT: Should this be here?
-    }
-    actorsByUUID.clear
-    actorsById.clear
-  }
-}
-
-/**
- * An implementation of a ConcurrentMultiMap
- * Adds/remove is serialized over the specified key
- * Reads are fully concurrent <-- el-cheapo
- *
- * @author Viktor Klang
- */
-class Index[K <: AnyRef, V <: AnyRef: ArrayTag] {
-  private val Naught = Array[V]() //Nil for Arrays
-  private val container = new ConcurrentHashMap[K, JSet[V]]
-  private val emptySet = new ConcurrentSkipListSet[V]
-
-  /**
-   * Associates the value of type V with the key of type K
-   * @return true if the value didn't exist for the key previously, and false otherwise
-   */
-  def put(key: K, value: V): Boolean = {
-    //Tailrecursive spin-locking put
-    @tailrec
-    def spinPut(k: K, v: V): Boolean = {
-      var retry = false
-      var added = false
-      val set = container get k
-
-      if (set ne null) {
-        set.synchronized {
-          if (set.isEmpty) retry = true //IF the set is empty then it has been removed, so signal retry
-          else { //Else add the value to the set and signal that retry is not needed
-            added = set add v
-            retry = false
-          }
-        }
-      } else {
-        val newSet = new ConcurrentSkipListSet[V]
-        newSet add v
-
-        // Parry for two simultaneous putIfAbsent(id,newSet)
-        val oldSet = container.putIfAbsent(k, newSet)
-        if (oldSet ne null) {
-          oldSet.synchronized {
-            if (oldSet.isEmpty) retry = true //IF the set is empty then it has been removed, so signal retry
-            else { //Else try to add the value to the set and signal that retry is not needed
-              added = oldSet add v
-              retry = false
-            }
-          }
-        } else added = true
-      }
-
-      if (retry) spinPut(k, v)
-      else added
-    }
-
-    spinPut(key, value)
-  }
-
-  /**
-   * @return a _new_ array of all existing values for the given key at the time of the call
-   */
-  def values(key: K): Array[V] = {
-    val set: JSet[V] = container get key
-    val result = if (set ne null) set toArray Naught else Naught
-    result.asInstanceOf[Array[V]]
-  }
-
-  /**
-   * @return Some(value) for the first matching value where the supplied function returns true for the given key,
-   * if no matches it returns None
-   */
-  def findValue(key: K)(f: (V) => Boolean): Option[V] = {
-    import scala.collection.convert.wrapAsScala._
-    val set = container get key
-    if (set ne null) set.iterator.find(f)
-    else None
-  }
-
-  /**
-   * Applies the supplied function to all keys and their values
-   */
-  def foreach(fun: (K, V) => Unit) {
-    import scala.collection.convert.wrapAsScala._
-    container.entrySet foreach { (e) =>
-      e.getValue.foreach(fun(e.getKey, _))
-    }
-  }
-
-  /**
-   * Disassociates the value of type V from the key of type K
-   * @return true if the value was disassociated from the key and false if it wasn't previously associated with the key
-   */
-  def remove(key: K, value: V): Boolean = {
-    val set = container get key
-
-    if (set ne null) {
-      set.synchronized {
-        if (set.remove(value)) { //If we can remove the value
-          if (set.isEmpty) //and the set becomes empty
-            container.remove(key, emptySet) //We try to remove the key if it's mapped to an empty set
-
-          true //Remove succeeded
-        } else false //Remove failed
-      }
-    } else false //Remove failed
-  }
-
-  /**
-   * @return true if the underlying containers is empty, may report false negatives when the last remove is underway
-   */
-  def isEmpty: Boolean = container.isEmpty
-
-  /**
-   *  Removes all keys and all values
-   */
-  def clear = foreach { case (k, v) => remove(k, v) }
-}