[rules-users] Help in using drools

[Stelarinc]

Thanks for your input, Thomas.

Actually I intend to use stateless session, but I feel the documentation on that is quite scarce, so I have not delve further into stateless session.

For the rules, is there any example of a very complex rule?  The rules that I found are mostly xml-based, which is for older drools.


Regards,

Leonard Soetedjo


--- On Thu, 5/8/08, Hehl, Thomas <Thomas.Hehl at acs-inc.com> wrote:

> From: Hehl, Thomas <Thomas.Hehl at acs-inc.com>
> Subject: RE: [rules-users] Help in using drools
> To: "'Rules Users List'" <rules-users at lists.jboss.org>
> Date: Thursday, May 8, 2008, 8:16 PM
> That would be one way to accomplish this. For your
> situation, though, I
> would use a stateless session since your servlets are
> stateless.
> 
> One of the things I'd like to see changed in drools is
> that, while it does
> complicated processing and returns complex answers very
> well, it's difficult
> to return simple answers. I would like to see methods like
> fireRulesReturningBoolean kind of thing, but it would
> require a paradigm
> shift in the rules themselves. Alas!
> 
> Anyway, I think that's how I'd handle it. I also
> construct wrappers around
> the basic data types to receive these answers. I wish Sun
> would implement
> the bean interface for Integer, Long, Character, String,
> etc. It would
> certainly be simple enough for them to do, and then we
> could just use those
> to hold the values coming back from our rules.
> 
> -----Original Message-----
> From: rules-users-bounces at lists.jboss.org
> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of
> Stelarinc
> Sent: Thursday, May 08, 2008 6:03 AM
> To: rules-users at lists.jboss.org
> Subject: [rules-users] Help in using drools
> 
> Hi,
> 
> I would like to use drools in my application.  However,
> there are a few
> things that I do not quite understand and whether it can
> fit my
> requirements.  I have tried to search through the
> documentation and mailing
> list, but to no avail.
> 
> Here is my situation.  I am creating a web-based
> application which requires
> me to run certain rules for certain page.  What I need is
> to pass all the
> information accumulated from the pages and pass it through
> a rule engine.
> Each rule will check the information and return string
> message(s) to the
> caller.  Does drools fit in this requirements?
> 
> >From what I understand, I can create a stateful
> session, passing the
> information to the rule engine.  But when I need to return
> the result, how
> do I do that?  Do I pass an empty String List into the rule
> engine, and each
> rule will add the message to the List if there is an error?
> 
> Thank you.
> 
> 
> 
> Regards,
> 
> Leonard Soetedjo
> 
> 
> 
>  
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