2013/7/21 Stéphane Ducasse <stephane.duca...@inria.fr> > > And what I should do if I want Customer which can trigger events? > > then ask yourself about the API of your customer > Do you want the full API of Announcer? I doubt. > > > Do you think "EventSource subclass: #Customer" make any difference? Or > do you think we should never use inheritance to make domain announcer > classes? What the existed alternative? I don't want always add announcer > instance and couple equal methods any time I need it. > > Think about API not about code reuse. > Think about polymorphic objects. > Each time you subclass from Announcer ALL the API should make sense. >
What is all api of Announcer? It is just two methods: #announce: and #on:send:to:. When I need "object with events" I always need this methods. What problem?