public void onIdealStateChange(List<IdealState> idealStates,
NotificationContext changeContext)
{
LOG.info("START: Generic GenericClusterController.onIdealStateChange()");
ClusterEvent event = new ClusterEvent("idealStateChange");
event.addAttribute("helixmanager", changeContext.getManager());
event.addAttribute("changeContext", changeContext);
event.addAttribute("eventData", idealStates);
handleEvent(event);
if(changeContext.getType() != Type.FINALIZE)