add stateName and stateData accessors to FSM

akka-actor-tests/src/test/scala/akka/actor/actor/FSMActorSpec.scala

@@ -12,6 +12,7 @@ import akka.testkit._
 import FSM._
 import akka.util.Duration
 import akka.util.duration._
+import akka.event._
 
 object FSMActorSpec {
 
@@ -57,8 +58,9 @@ object FSMActorSpec {
     }
 
     whenUnhandled {
-      case Event(_, stateData) ⇒ {
+      case Ev(msg) ⇒ {
         unhandledLatch.open
+        EventHandler.info(this, "unhandled event " + msg + " in state " + stateName + " with data " + stateData)
         stay
       }
     }

akka-actor/src/main/scala/akka/actor/FSM.scala

@@ -306,7 +306,7 @@ trait FSM[S, D] extends ListenerManagement {
    * function literal. To be used with onTransition.
    */
   implicit protected final def total2pf(transitionHandler: (S, S) ⇒ Unit) =
-    new PartialFunction[(S, S), Unit] {
+    new TransitionHandler {
       def isDefinedAt(in: (S, S)) = true
       def apply(in: (S, S)) { transitionHandler(in._1, in._2) }
     }
@@ -334,6 +334,16 @@ trait FSM[S, D] extends ListenerManagement {
   }
 
   /**
+   * Return current state name (i.e. object of type S)
+   */
+  def stateName: S = currentState.stateName
+
+  /**
+   * Return current state data (i.e. object of type D)
+   */
+  def stateData: D = currentState.stateData
+
+  /*
    * ****************************************************************
    *                PRIVATE IMPLEMENTATION DETAILS
    * ****************************************************************