From 64342a3d920ea055739f94d1f10119bcfeabd12e Mon Sep 17 00:00:00 2001
From: Philipp Haller <hallerp@gmail.com>
Date: Tue, 21 Jul 2009 12:21:56 +0000
Subject: Enabled future-type message sends for reactors.

---
 src/actors/scala/actors/Channel.scala          | 13 ++++---
 src/actors/scala/actors/OutputChannel.scala    |  4 +--
 src/actors/scala/actors/ReplyableReactor.scala |  4 +--
 test/files/jvm/replyablereactor.check          |  5 +++
 test/files/jvm/replyablereactor.scala          | 47 ++++++++++++++++++++++++++
 5 files changed, 64 insertions(+), 9 deletions(-)
 create mode 100644 test/files/jvm/replyablereactor.check
 create mode 100644 test/files/jvm/replyablereactor.scala

diff --git a/src/actors/scala/actors/Channel.scala b/src/actors/scala/actors/Channel.scala
index 93525dddbd..b8c0420372 100644
--- a/src/actors/scala/actors/Channel.scala
+++ b/src/actors/scala/actors/Channel.scala
@@ -38,9 +38,9 @@ case class ! [a](ch: Channel[a], msg: a)
  * @version 0.9.17
  * @author Philipp Haller
  */
-class Channel[Msg](val receiver: Actor) extends InputChannel[Msg] with OutputChannel[Msg] {
+class Channel[Msg](val receiver: Reactor) extends InputChannel[Msg] with OutputChannel[Msg] {
 
-  def this() = this(Actor.self)
+  def this() = this(Actor.rawSelf)
 
   /**
    * Sends a message to this <code>Channel</code>.
@@ -78,7 +78,8 @@ class Channel[Msg](val receiver: Actor) extends InputChannel[Msg] with OutputCha
    */
   def receive[R](f: PartialFunction[Msg, R]): R = {
     val C = this.asInstanceOf[Channel[Any]]
-    receiver.receive {
+    val recvActor = receiver.asInstanceOf[Actor]
+    recvActor.receive {
       case C ! msg if (f.isDefinedAt(msg.asInstanceOf[Msg])) => f(msg.asInstanceOf[Msg])
     }
   }
@@ -100,7 +101,8 @@ class Channel[Msg](val receiver: Actor) extends InputChannel[Msg] with OutputCha
    */
   def receiveWithin[R](msec: Long)(f: PartialFunction[Any, R]): R = {
     val C = this.asInstanceOf[Channel[Any]]
-    receiver.receiveWithin(msec) {
+    val recvActor = receiver.asInstanceOf[Actor]
+    recvActor.receiveWithin(msec) {
       case C ! msg if (f.isDefinedAt(msg)) => f(msg)
       case TIMEOUT => f(TIMEOUT)
     }
@@ -133,7 +135,8 @@ class Channel[Msg](val receiver: Actor) extends InputChannel[Msg] with OutputCha
    */
   def reactWithin(msec: Long)(f: PartialFunction[Any, Unit]): Nothing = {
     val C = this.asInstanceOf[Channel[Any]]
-    receiver.reactWithin(msec) {
+    val recvActor = receiver.asInstanceOf[Actor]
+    recvActor.reactWithin(msec) {
       case C ! msg if (f.isDefinedAt(msg)) => f(msg)
       case TIMEOUT => f(TIMEOUT)
     }
diff --git a/src/actors/scala/actors/OutputChannel.scala b/src/actors/scala/actors/OutputChannel.scala
index 92c42282d9..261ef56359 100644
--- a/src/actors/scala/actors/OutputChannel.scala
+++ b/src/actors/scala/actors/OutputChannel.scala
@@ -42,8 +42,8 @@ trait OutputChannel[-Msg] {
   def forward(msg: Msg): Unit
 
   /**
-   * Returns the <code>Actor</code> that is
+   * Returns the <code>Reactor</code> that is
    * receiving from this <code>OutputChannel</code>.
    */
-  def receiver: Actor
+  def receiver: Reactor
 }
diff --git a/src/actors/scala/actors/ReplyableReactor.scala b/src/actors/scala/actors/ReplyableReactor.scala
index 221b424c2c..1f7c774f4a 100644
--- a/src/actors/scala/actors/ReplyableReactor.scala
+++ b/src/actors/scala/actors/ReplyableReactor.scala
@@ -58,7 +58,7 @@ trait ReplyableReactor extends Replyable[Any, Any] {
    * returns a future representing the reply value.
    */
   def !!(msg: Any): Future[Any] = {
-    val ftch = new Channel[Any](Actor.self(thiz.scheduler))
+    val ftch = new Channel[Any](Actor.rawSelf(thiz.scheduler))
     thiz.send(msg, ftch)
     Futures.fromInputChannel(ftch)
   }
@@ -71,7 +71,7 @@ trait ReplyableReactor extends Replyable[Any, Any] {
    * precise type for the reply value.
    */
   def !![A](msg: Any, f: PartialFunction[Any, A]): Future[A] = {
-    val ftch = new Channel[A](Actor.self(thiz.scheduler))
+    val ftch = new Channel[A](Actor.rawSelf(thiz.scheduler))
     thiz.send(msg, new OutputChannel[Any] {
       def !(msg: Any) =
         ftch ! f(msg)
diff --git a/test/files/jvm/replyablereactor.check b/test/files/jvm/replyablereactor.check
new file mode 100644
index 0000000000..0944b17279
--- /dev/null
+++ b/test/files/jvm/replyablereactor.check
@@ -0,0 +1,5 @@
+'hello
+'hello
+'hello
+'hello
+'hello
diff --git a/test/files/jvm/replyablereactor.scala b/test/files/jvm/replyablereactor.scala
new file mode 100644
index 0000000000..5c45c7fc54
--- /dev/null
+++ b/test/files/jvm/replyablereactor.scala
@@ -0,0 +1,47 @@
+import scala.actors._
+import scala.actors.Actor._
+
+class MyActor extends ReplyReactor with ReplyableReactor {
+  def act() {
+    loop {
+      react {
+        case 'hello =>
+          sender ! 'hello
+        case 'stop =>
+          exit()
+      }
+    }
+  }
+}
+
+object Test {
+  def main(args: Array[String]) {
+    val a = new MyActor
+    a.start()
+
+    val b = new Reactor {
+      def act() {
+        react {
+          case r: MyActor =>
+            var i = 0
+            loop {
+              i += 1
+              val ft = r !! 'hello
+              react {
+                case ft.inputChannel ! msg =>
+                  if (i % 10000 == 0)
+                    println(msg)
+                  if (i >= 50000) {
+                    r ! 'stop
+                    exit()
+                  }
+              }
+            }
+        }
+      }
+    }
+    b.start()
+
+    b ! a
+  }
+}
-- 
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