From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-05-20T02:28:04+09:00
Subject: Re: State Pattern Implementation

On Tue, May 20, 2003 at 02:07:41AM +0900, Robert Klemme wrote:
> class Socket
>   def statusMessage(); @state.statusMessage; end
> end
> 
> Now, @state.statusMessage needs to access the Socket it's attached to.  We
> can achieve this by
> 
>  - recording a ref to socket in state
>  - augmenting every method call on state with the socket reference

>  - put all socket state info that the state needs (i.e. the two messages)
> in all state classes (clearly not intended by this pattern)
>  - ?
> 
> I find all these a bit awkward...

Crap, I don't remember what should be done w/ shared attributes.
I'll see if I can get my book sent here :)

Ummm, now I remember something about internalizing information and
the applicability of the State DP... really need the book.

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