@@ -0,0 +1,254 @@
+'''%0AProvide singleton for Classifier%0A%0AAuthor: Ming Fang%0A'''%0A%0Afrom weiss.flows.flowManager import FlowManager%0A%0A_instance = None%0A%0Adef getFlowManager():%0A    global _instance%0A    if _instance is None:%0A        _instance = FlowManager()%0A%0A    return _instance%0A%0A

add flowManager factory