VPP-119: JVpp notifications

- add notification DTOs to JVpp
- add notification callbacks
- add notification registry
- provide/implement notification registry from future and callback facades

Change-Id: I1060ef2ec8ba1eb2e8cff279c93b73aa7c9f9aee
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
diff --git a/vpp-api/java/jvpp/gen/jvpp_impl_gen.py b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
index dfec6a7..93ffd0f 100644
--- a/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
+++ b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
@@ -121,8 +121,8 @@
     methods_impl = []
     for func in func_list:
 
-        if util.is_notification(func['name']) or util.is_ignored(func['name']):
-            # TODO handle notifications
+        # Skip structures that are used only as notifications
+        if util.is_just_notification(func['name']) or util.is_ignored(func['name']):
             continue
 
         camel_case_name = util.underscore_to_camelcase(func['name'])