Waleed,

Thanks for your response..

Our backend parameter data is exposed as XML documents for other
groups to build a CRUD application. These groups use thick or thin
clients. So, we have multiple front ends for the one backend.
My goal is to encapsualte all data validation rules in one place,
not
have them spread all over.

Examples of business rules i am talking about here are:
1. Product type:
2. prouct days

-Valid values for prodcut type are A, B, C
-Valid values for prodcut days are 01, 04, 10, 07
-Cross validate type and days. If type =A, days must be less than
10. If type = B, days must be greater than 02.

If I can encapsulate these types of rules in a structured document
(such as xrules doc), then all my front end developers can build
their applications(using the xml data doc and xrules doc) to
capture data from users and will send the xml data doc back to the
backend.

With this approach, If I want to add any new parameters, it will be
very dynamic. If I want to change a rule, its easier to implement. I
just have to release a new xrules doc every time there is a new
release of the software.

hope this helps..

--- In xrules@yahoogroups.com, "Waleed K. Abdulla"
<waleed_abdulla@...> wrote:
>
> Ravi,
>
> I'm not sure I fully understand your proposed approach. XRules
is
> suitable for encoding and executing business rules on XML
documents. Are you
> doing CRUD on XML documents? And, how do you enter the data? Are
your
> parameters calculated values based on other parameters?
>
>
>
> Regards,
>
> Waleed
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: xrules@yahoogroups.com [mailto:xrules@yahoogroups.com] On
Behalf Of
> Ravi
> Sent: Wednesday, March 21, 2007 10:42 AM
> To: xrules@yahoogroups.com
> Subject: [xrules] Using Xrules, schema and XML to maintain CRUD
for an
> application
>
>
>
> Hello all..
>
> I am fairly new to xrules. seems like an interesting concept and
may
> solve the problem I am trying to resolve. I am trying to design a
web
> based application. Part of that is to CRUD(create, read, update,
> delete) a few thousand parameters(about 5000). Given the number, I
am
> looking for a dynamic way of doing this rather than coding for all
the
> parameters.
>
> I am aware that we have to sitdown and prepare the xrules data.
But
> this is my attempt to capture all that metadata in xrules and
being
> able to resue it for other front ends(for a thick client, or
different
> os, or a future front end).
>
> 1) has anyone done this type of stuff before?
> 2) is there any fundamental flaw in this approach?
> 3) is there any toolset to acheive this with minimal coding effort?
>
> Please share any thoughts..
>
>
>
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