From: Benjamin Oakes <benjamin.d.oakes@...>
Date: 2008-03-19T23:35:06+09:00
Subject: Re: Inspetting a method's caller

On Wed, Mar 19, 2008 at 9:10 AM, Alberto Santini
<santini.alberto@gmail.com> wrote:
> > but you can make the caller send in an extra argument, putting its
>  > description/ID/Name there.
>
>  Of course i can, i just *don't want* to do this. For example, imagine i
>  want to access a database table that (by -> convention <-) has the same
>  name of a class. Imagine i have a DBHelper class that contains a
>  DBHelper#find method used to find records on the database. if
>  DBHelper#find is called from a Ball object i want to lookup on the
>  "ball" table, it it's called from a Cube object i want to search the
>  "cube" table, etc. This is just the simplest usage that came to my mind,
>  but i guess there are hundreds. Obviously, i can implement DBHelper#find
>  in a way like this:
>
>  def find(table_name = "", criteria = {})
>   ...
>  end
>
>  and call it like this:
>
>  find(self.class.to_s, {:id => 5})
>
>  It is just *not what i want to do*.
>
>  So, coming back to my question, is there a simple way to get the wanted
>  class name, without haveing to parse Kernel#caller?
>
>  Thanks.
>  --
>
>
> Posted via http://www.ruby-forum.com/.
>
>

There's something in Ruby Facets that seems related:  Binding#called

http://facets.rubyforge.org/quick/rdoc/core/classes/Binding.html#M000221

I've only ever used it when I'm working with trace statements when a
debugger isn't available or doing the job I need it to.

-- Ben