final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
RoutedRpcRegistration<EventSourceService> reg = rpcRegistry.addRoutedRpcImplementation(EventSourceService.class, eventSource);
reg.registerPath(NodeContext.class, sourcePath);
routedRpcRegistrations.put(nodeKey,reg);
insert(sourcePath);
final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
RoutedRpcRegistration<EventSourceService> reg = rpcRegistry.addRoutedRpcImplementation(EventSourceService.class, eventSource);
reg.registerPath(NodeContext.class, sourcePath);
routedRpcRegistrations.put(nodeKey,reg);
insert(sourcePath);