On 12 May 2010 03:15, Nadal <[email protected]> wrote:
> class User < AR
> end
>
> user = User.new
>
>
> Let's say that I have a user instance with me. After this record is
> saved I want an after_save callback which would print the id of the
> record.
> The only catch is that I am not allowed to change the User class. How
> can I accomplish my goal? Is that even possible to add an after_save
> callback on a particular instance object. Any metaprogramming hack.
> I'm sure ruby does provide some tool.
>
>
> This would be a trivial issue if I were allowed to change the User
> class but I am not.

What do you mean by 'not allowed to change the User class'?  Do you
mean that you are not allowed to change the file user.rb?  If so that
is not a problem as you can modify or extend the class in another
loaded file merely by providing class User < ... and providing new or
modified methods there.

Colin

>
> --
> 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.
>
>

-- 
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.

Reply via email to