From: Simon Vandemoortele <deliriousREMOVEUPPERCASETEXTTOREPLY@...>
Date: 2003-05-17T00:19:12+09:00
Subject: Re: State Pattern Implementation

On Fri, 16 May 2003 at 02:59 GMT, Sacha Schlegel wrote:
> Did look at the state pattern in "Desing Patterns, E. Gamma, R. Helm, R.
> Johnson, J. Vlissides, Addison-Weslay, 1995

> Do YOU or anyone else have links to "implemented" ruby state pattern
> code?

Take a look at http://www.rubygarden.org/ruby?StatePattern
Don't forget to look at the 'delegate' module which is documented in
'Programming Ruby' (http://www.rubycentral.com/book/lib_patterns.html).

> Did look at your solution. I think I would like to seperate the
> different states with their own classes as they might get a little bit
> bigger.

Good, that's the conventional approach to the state pattern.


Simon

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