On 2/2/07, Edson Tirelli <tirelli@post.com> wrote:

    Answering Michael, I agree with Felipe on Q2, but on Q1, I would
like to note that I think it would be good to allow for more than one
DSL in the future. This way, we would be able to create DSLs associated
with "partitions" of the business model, and for each ruleset, we would
use the DSLs associated with each partition we are using. Ok, the
explanation is messy, so let me tell about an eventual use case:

    In a telecom market, we possibly would have a Customer Business
Model (with customer related info), a Telecom Service Business Model
(with service related info, like calls, service plans, etc) and a
Finance Business Model (with billing related info, like charges,
discounts, etc). So, a Billing system would use the Telecom Service
Business Model and Finance Business Model, while a Customer Self-Service
System might use the Telecom Service and Customer Business Model, while
the CRM would use all of them.
    As the DSL usually translate to Patterns and Constraints of the
mapped business model, and actions related to that, it would be good
from a reuse perspective to allow the use of multiple DSLs in each context.
    So, IMO, we should be prepared to support multiple DSL's for a
single rulebase/drl soon. If that mean the DSL must be assets instead of
attribute, I would go for it.

    Just my 0.02.

   []s
   Edson

Felipe Piccolini wrote:

> Hi Michael,
>
>   Iv been following your work in the brms/repository very closely
> because Im working in something very similar by
> my self for a project using JBossRules, and as I cant wait much longer
> I decided to use your work as a base to
> put something on production until you guys do the "real-cool" thing.
>
>   About your questions, IMHO,
> -Q1: I think dsl should be an attribute (as far as I know, you can put
> only 1 dsl expander on drl files) and
> there should be only one reference to expand the rule sentences, if
> you have multiple dsl, then have mutiple drl (packages).
> -Q2: I think object models (or business models to use as facts for
> your rules) should be assets, so u can organize your model/classes
> not thinking in drools or any other framework, so you can extend your
> model or rules with just a pointer as a dependency, just as you
> can put or remove jars from your classpath.
>
>  One thing I wanted to tell you for some time about drools-brms is
> that for some reason I dont know, the gwt ui looks awfull on mac (OS X),
> I made it works changing some things on the .launcher and .shell
> files, but its looks like no modal window has a background, or complete
> messed up.. can you check it out? or help me to guiding me what to
> check to see it right? Thanks.
>
>
> On 01-02-2007, at 3:23, Michael Neale wrote:
>
>> BUT this also applies to the file structure for "packages" in a file
>> system/IDE (forget monolothic DRL for a moment - but instead imagine
>> a folder which is a rule package containing lots of rules).
>>
>> (in no particular order);
>>
>> Q1: Should DSL "language configurations" be stored as an "asset"
>> inside a package (ie a file, perhaps multiple ones of them?) - or are
>> they an attribute of a package?
>> Q2: The object model: should this be stored as an attribute of a
>> package - or just another asset of which there can be muliple ones
>> uploaded (as a jar, for instance).
>> This is needed for validation/tooling. Obviously in the IDE the
>> classes will be on the classpath, but in the repo they have to be
>> stored somewhere.
>>
>> Note versioning works well in all scenarios (subtle differences
>> between a package attribute and asset for versioning, but ignore them
>> for now).
>>
>> I have opinions, but wanted some discussion (attachment screenshot
>> shows the package managment screen).
>> <Screenshot-JBoss Business Rules Management System .png>
>> _______________________________________________
>> rules-dev mailing list
>> rules-dev@lists.jboss.org <mailto:rules-dev@lists.jboss.org>
>> https://lists.jboss.org/mailman/listinfo/rules-dev
>
>
>
> *Felipe Piccolini M.*
> felipe.piccolini@bluesoft.cl <mailto:felipe.piccolini@bluesoft.cl >
>
>
>
>
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>

--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com

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