From: Wang Austin-W22255 <xuwang@...>
Date: 2006-04-28T17:11:58+09:00
Subject: Re: Implementing publish subscribe in ruby

If you want a publish/subscribe framework, I found freebase, which is the core of the freeride ruby IDE, elegant and powerful.

Austin 

> -----Original Message-----
> From: Pierre-Charles David [mailto:pcdavid@gmail.com] 
> Sent: 2006定4埖28晩 14:55
> To: ruby-talk ML
> Subject: Re: Implementing publish subscribe in ruby
> 
> On 4/28/06, bujji choudhary <bujji2352@yahoo.com> wrote:
> >    Hi all...
> >    I want to implement publish subscribe pattern for small 
> application like "stock market" or " reservation of trains". 
> Can any body tell me where to start. I am new to ruby.
> >
> >   If anybody is having any code for that please send me. 
> I'll be greatful.
> 
> If what you're looking for is a simple non-distributed 
> observer pattern, Ruby includes one in the standard library. 
> Check [1] for the documentation. The example usage on that 
> page is actually a simple stock market!
> 
> Otherwise, if you're looking for a distributed solution, 
> check DRb [2] (Distributed Ruby) and Rinda [3], Ruby's 
> implementation of the tuplespace paradigm. It's not classical 
> publish/subscribe but can be used to do the same kind of things.
> 
> [1] 
> http://www.ruby-doc.org/stdlib/libdoc/observer/rdoc/files/obse
> rver_rb.html
> [2] http://www.ruby-doc.org/stdlib/libdoc/drb/rdoc/index.html
> [3] http://www.ruby-doc.org/stdlib/libdoc/rinda/rdoc/index.html
> 
>