> > > But there is no predefined accessor method called "weight". Some how, > I must catch this. I've got two ideas, of which I'm not sure whether > they make sense and can be implemented: > > 1. The accessor methods are created dynamically at runtime, so that > they internally access the annotation data and return what they've > found or "nil". > > 2. A kind of "catch-all"-method which takes the name of the methode, > which we try to call, as a parameter. Some pseudo-code: > > catchAll(nameOfDesiredMethod) > FindAnnotation(nameOfDesiredMethod) // returning attribute value or > nil > end > > I don't know, if there's a known technique for this kind of problem. > But I know, that there's something similar, if you look at the > ActiveRecord find() method. There you can say find_by_attribute, for > example.
ActiveRecord does exactly this for database attributes you might find nosing around in there is useful. The magic method you are looking for is method_missing. Fred > > > It's hard to explain, I did my best. > > Thank you for your suggestions! > > Best wishes, > ms > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
