[Zope-dev] Re: ZPatterns, ObjectDomain, UML and all that.....

[Steve Spicklemire]

Itai,

	I think this is a brilliant idea! I'm sure there are sixteen
ways to implement each of these... but having one concrete way would
be a big help to a novice....  

-steve

> 
> 
>    Object relationship    |   
>         (Pattern)         |  Implementation
> ----------------------------------------------------------------------------------------
>       1       1           | Add prop to A: b_id
>     A --------- B         | In A call Bs (Specialist of B): my_b = 
> Bs.getItem(b_id)
> ----------------------------------------------------------------------------------------
>       n       1           | Add prop to B: a_id
>     A --------- B         | Add method to Bs (Specialist of B): getBsForA(a_id)
>                           | In A call Bs: my_b_list = Bs.getBsForA(a_id)
> ----------------------------------------------------------------------------------------
>       n       n           | ?
>     A --------- B         |
> ----------------------------------------------------------------------------------------
>      n   [XOR A] 1        | Add Specialist Xs implementing role of A and B
>   A  -------------        | Add prop to C: x_id
>      n   [XOR A] 1  C     | In A, B call Xs: my_x = Xs.getItem(x_id)
>   B --------------        |
> (Participant-Transaction)| (A and B - Participants, C - Transaction)
> ----------------------------------------------------------------------------------------
>     [XOR A] 1  n          | Add prop to B, C: a_id
>     ------------ B        | In B, C call As (Specialist of A): my_a = 
> As.getItem(a_id)
>   A [XOR A] 1  n          |
>     ------------ C        | (can't do reverse connection?)
> ----------------------------------------------------------------------------------------
> 
> 
> Does anyone think this would be useful? Can we get the experts to 
> expand/correct/verify this? Obviously more relationship types need to 
> be added, and also some extra information is needed (such as who's 
> responsible to set the id attributes and how, when and how reverse 
> connections are done, etc.).
> 
> Itai
> -- 
> Itai Tavor                    "Je sautille, donc je suis."
> C3Works    itai@c3works.com              - Kermit the Frog
> 
> "If you haven't got your health, you haven't got anything"
>