setup method
Implementation
@mustCallSuper
setup() {
if (eventsNames.containsKey(EventsType.create)) {
channel.listen(eventsNames[EventsType.create]!, onCreate);
}
if (eventsNames.containsKey(EventsType.update)) {
channel.listen(eventsNames[EventsType.update]!, onUpdate);
}
if (eventsNames.containsKey(EventsType.delete)) {
channel.listen(eventsNames[EventsType.delete]!, onDelete);
}
}