From: William James <w_a_x_man@...>
Date: 2008-03-05T11:59:55+09:00
Subject: Re: Inspecting a block given to a method

On Mar 4, 8:54 pm, William James <w_a_x_...@yahoo.com> wrote:
> Thomas Mueller wrote:
> > Hi,
>
> > I am using JRuby to access data in some business application (Siebel,
> > if anybody is interested).
> > In Siebel I need to activate fields if I want to access them later:
>
> > bc.activate_field(name)
> > bc.query(search_specs)
> > do stuff
>
> > I've written methods that do the query and then yield each record to a
> > given block, so I can write something like:
>
> > bc.activate_field("field1")
> > bc.activate_field("field2")
> > bc.find_all(search_specs) do |record|
> >   record["field1"] = "some value"
> >   puts record["field2"]
> > end
>
> > I would like to do the activate_field() calls automatically, based on
> > which fields are being accessed inside the block.
> > Is it possible to look into the block and find out which fields are
> > being accessed? In the above example that would include the fields
> > "field1" and "field2".
> > Basically, can I access the code inside the block and inspect it?
>
> > Thomas
>
> bc.find_all(search_specs,'field1','field2') { |record,fields|
>   record[field[0]] = "some value"
>   puts record[field[1]]}

A couple of s's were missing.

bc.find_all(search_specs,'field1','field2') { |record,fields|
  record[fields[0]] = "some value"
  puts record[fields[1]]}