returns the identifier for this event bus . concode_field_sep Logger logger concode_elem_sep String identifier concode_elem_sep SubscriberRegistry subscribers concode_elem_sep Executor executor concode_elem_sep LoggingHandler INSTANCE concode_elem_sep SubscriberExceptionHandler exceptionHandler concode_elem_sep Dispatcher dispatcher concode_field_sep void handleException concode_elem_sep void post concode_elem_sep Executor executor concode_elem_sep void handleSubscriberException concode_elem_sep Logger logger concode_elem_sep void unregister concode_elem_sep String toString concode_elem_sep String message concode_elem_sep void register
String function ( ) { return identifier ; }