1 files changed, 24 insertions, 1 deletions
diff --git a/cpp/include/Ice/ObserverHelper.h b/cpp/include/Ice/ObserverHelper.h
index 3803b9e5b6a..97b139e9cce 100644
--- a/cpp/include/Ice/ObserverHelper.h
+++ b/cpp/include/Ice/ObserverHelper.h
@@ -10,7 +10,8 @@
 #ifndef ICE_OBSERVERHELPER_H
 #define ICE_OBSERVERHELPER_H
 
-#include <Ice/ObserverF.h>
+#include <Ice/Observer.h>
+#include <Ice/ProxyF.h>
 
 namespace IceInternal
 {
@@ -99,6 +100,28 @@ protected:
     TPtr _observer;
 };
 
+class InvocationObserver : public ObserverHelperT<Ice::Instrumentation::InvocationObserver>
+{
+public:
+
+    InvocationObserver(IceProxy::Ice::Object*, const std::string&, const Ice::Context*);
+    InvocationObserver();
+
+    void attach(IceProxy::Ice::Object*, const std::string&, const Ice::Context*);
+
+    void retry()
+    {
+        if(_observer)
+        {
+            InvocationObserver::retryImpl();
+        }
+    }
+
+private:
+
+    void retryImpl();
+};
+
 }
 
 #endif