renamed akka-actor to akka-core

akka-core/src/main/scala/dispatch/ThreadBasedDispatcher.scala

@@ -0,0 +1,56 @@
+/**
+ * Copyright (C) 2009 Scalable Solutions.
+ */
+
+package se.scalablesolutions.akka.dispatch
+
+import java.util.concurrent.LinkedBlockingQueue
+import java.util.Queue
+
+import se.scalablesolutions.akka.actor.{Actor, ActorMessageInvoker}
+
+/**
+ * Dedicates a unique thread for each actor passed in as reference. Served through its messageQueue.
+ * 
+ * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
+ */
+class ThreadBasedDispatcher private[akka] (val name: String, val messageHandler: MessageInvoker) 
+  extends MessageDispatcher {
+  
+  def this(actor: Actor) = this(actor.getClass.getName, new ActorMessageInvoker(actor))
+
+  private val queue = new BlockingMessageQueue(name)
+  private var selectorThread: Thread = _
+  @volatile private var active: Boolean = false
+
+  def dispatch(invocation: MessageInvocation) = queue.append(invocation) 
+
+  def start = if (!active) {
+    active = true
+    selectorThread = new Thread {
+      override def run = {
+        while (active) {
+          try {
+            messageHandler.invoke(queue.take)
+          } catch { case e: InterruptedException => active = false }
+        }
+      }
+    }
+    selectorThread.start
+  }
+                       
+  def shutdown = if (active) {
+    active = false
+    selectorThread.interrupt
+  }
+}
+
+class BlockingMessageQueue(name: String) extends MessageQueue {
+  // FIXME: configure the LinkedBlockingQueue in BlockingMessageQueue, use a Builder like in the ReactorBasedThreadPoolEventDrivenDispatcher
+  private val queue = new LinkedBlockingQueue[MessageInvocation]
+  def append(invocation: MessageInvocation) = queue.put(invocation)
+  def prepend(invocation: MessageInvocation) = queue.add(invocation) // FIXME is add prepend???
+  def take: MessageInvocation = queue.take
+  def read(destination: Queue[MessageInvocation]) = throw new UnsupportedOperationException
+  def interrupt = throw new UnsupportedOperationException
+}