On 5 May 2011, at 18:51, Fearless Fool <li...@ruby-forum.com> wrote:
> Fearless Fool wrote in post #996869:
>> So my next approach will be some magick with const_defined? -- this time
>> for sure!!! ;)
>
> I tried that and now I'm really confused. @Fred: would you expect it to
> be the case that:
>
> class MeteredService < ActiveRecord::Base ; end
> class PGEBusiness < MeteredService ; end
>
> Object.const_defined?("PGEBusiness") => true
> yet
> MeteredService.descendants => []
> ?
>
> That is, the system still knows about the class PGEBusiness, but it
> doesn't show up as a descendant of MeteredService? That is, in fact,
> what I'm seeing.
>
Have you been mixing in calls to require with calls to
require_dependency/letting rails load things automatically? That can make a
giant mess of things where some classes are reloaded and others aren't, so for
example PGEService could be a subclass of the previous request's MeteredService
Fred
> More to the point, how can I tell when I need to reload the subclasses?
> (And if require_dependencies is the answer, how to I avoid the
> superclass mismatch error that I'm seeing?)
>
> (Feh. Maybe I should just start running in production mode.)
>
> TIA.
>
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