Update transactor docs and switch to compiled examples

akka-docs/java/code/akka/docs/transactor/CoordinatedCounter.java

@@ -0,0 +1,40 @@
+/**
+ * Copyright (C) 2009-2011 Typesafe Inc. <http://www.typesafe.com>
+ */
+
+package akka.docs.transactor;
+
+//#class
+import akka.actor.*;
+import akka.transactor.*;
+import scala.concurrent.stm.*;
+
+public class CoordinatedCounter extends UntypedActor {
+    private Ref<Integer> count = Stm.ref(0);
+
+    private void increment(InTxn txn) {
+        Integer newValue = count.get(txn) + 1;
+        count.set(newValue, txn);
+    }
+
+    public void onReceive(Object incoming) throws Exception {
+        if (incoming instanceof Coordinated) {
+            Coordinated coordinated = (Coordinated) incoming;
+            Object message = coordinated.getMessage();
+            if (message instanceof Increment) {
+                Increment increment = (Increment) message;
+                if (increment.hasFriend()) {
+                    increment.getFriend().tell(coordinated.coordinate(new Increment()));
+                }
+                coordinated.atomic(new Atomically() {
+                    public void atomically(InTxn txn) {
+                        increment(txn);
+                    }
+                });
+            }
+        } else if ("GetCount".equals(incoming)) {
+            getSender().tell(count.single().get());
+        }
+    }
+}
+//#class