Gabriel Saravia wrote:
>
>
> Wheel < ActiveRecord::Base
> self.abstract_class = true
>
> CarToWheelsClassHash = {:ford => "FordWheel"}
>
> def self.abstract_find(car_brand, *normalfindargs)
> CarToWheelsClassHash[car_brand].constantize.find(*normalfindargs)
> end
>
> [other code common to all wheels models]
> end
>
> FordWheel < Wheel
> code specific to the ford wheels model
> end
>
> hope that makes sense to you, i actually really like this solution so
> far on my end.
Thanks Gabriel, but unfortunately this exact solution wouldn't work in
our case. The names of the various Wheel tables are not known at design
time. In other words, there's nothing to stop someone creating a new
table and adding it to the mapping table during runtime.
Given the wonderful dynamic nature of ruby I suppose I could get past
that fairly easily by creating the Wheel subclasses dynamically, but I'm
not sure that that is the best approach.
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