Re: Data model suggestions...
Re: Data model suggestions...
- Subject: Re: Data model suggestions...
- From: Flavio Donadio <email@hidden>
- Date: Mon, 06 Oct 2014 20:15:12 -0300
Chuck,
I am going to take a look into that...
Cheers,
Flavio
On 06/10/2014, at 18:16, Chuck Hill <email@hidden> wrote:
> Have you considered a business rules engine? Have a look at some of these
> http://java-source.net/open-source/rule-engines
>
> Would a rules engine solve your problem?
>
> Chuck
>
>
> On 2014-10-06, 1:57 PM, "Flavio Donadio" wrote:
>
> On 06/10/2014, at 16:51, Chuck Hill <email@hidden> wrote:
>
> I think Flavio’s question was more of how to model this so that the configurations were not hard-coded in Java. I don’t have an immediate answer, but it is an interesting modelling problem.
> Chuck
>
> Chuck is right. I have something more into the lines:
>
> Product <--->> ProductOption <<---> Option <--->> OptionValue
>
> ... where Option is something like "Display Type" and OptionValue is something like "Monochrome". And ProductOption is just a proxy table for the many-to-many relationship.
>
> Maybe I should have two more relationships:
>
> OptionValue <--->> OptionRequire
> OptionValue <--->> OptionExclude
>
> An AJAX interface would be preferable, so the user gets an error message when changing the selections, not when the application saves the context...
>
>
> Cheers,
> Flavio
>
>
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