From: Mark Somerville <ms@...>
Date: 2007-06-19T21:46:26+09:00
Subject: Re: Class variables in class_eval

On Tue, Jun 19, 2007 at 09:05:38PM +0900, Robert Dober wrote:
> Look at this slightly adapted code just using Class Instance Variables.
> Does this solve your problem?

It does! I wasn't aware that there are class instance variables as well as
class variables.

Appreciated, thank you very much!

Mark

> 
> -------------------------8<----------------------------
> 
> module HostBasedCache
> 
>    def setup_cache(method, &method_proc)
>      @cache_method = method_proc if block_given?
>      class_eval <<-METHOD
>        def self.#{method}(param)
>        #some stuff not relevant
>          puts @cache_method.call(param)
>        #some stuff not relevant
>        end
>      METHOD
>    end
> end
> 
> class MyObject
> 
>  extend HostBasedCache
>  setup_cache(:find_with_roles) do |id|
> # User.find_by_id(id, :select => "users.id, roles.id", :include => [ :roles 
> ])
>    puts "Hi there " << id.to_s
>  end
> 
> end
> 
> 
> MyObject.find_with_roles( 42 )
> 
> -------------------------8<----------------------------
> Cheers
> Robert
> -- 
> You see things; and you say Why?
> But I dream things that never were; and I say Why not?
> -- George Bernard Shaw