public List<EventHandler> getEventHandlersForEvent(String event, boolean activeOnly) {
        return eventHandlerDAO.getEventHandlersForEvent(event, activeOnly);
    }
@param event name of the event
@param activeOnly if true, returns only the active handlers
@return Returns the list of all the event handlers for a given event
core/src/main/java/com/netflix/conductor/service/MetadataServiceImpl.java