Mark,
Have you released the final version of 4.0.0. Under the download page
http://labs.jboss.com/jbossrules/downloads i see the MR3 listed.
Thanks
Natraj
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I am facing some serious blocking issues while writing few rules. In the
rule below, a1, a2 are Double objects. When i have the first statement in
the rule " EMIAgainstProperty( obj : a1 )", the rule does not firewhen i
comment and re phrase the second line as emi : EMIAgainstProperty( a2 >= (
Hi folks,
I used to buy some hardware from here and played with their configurator:
http://www.alternate.de/html/includeStaticBig.html?treeName=KONFIGURATOREN&file=BuildersInc&Level1=&;
(The page is in German but they have graphic icons around it's not
hard to understand)
If you choose an
Oh - reply to my own mail :-)
One (awesome!) example has been written on InfoQ:
http://www.infoq.com/articles/Brasilian-Healthcare-System
It's not only on Drools, but covers many other aspects as well... but
having a few of those
would be GREAT!
cu,
Gernot
Am 18.07.2007 um 23:21 schrieb Dr.
Hi Drools-users,
to further promote JBoss-Drools I suggest to compile a few practical
application scenarios or case-studies.
A few of you gave hints on your application domains as answer to "Re:
[rules-users] Entreprise using Drools with success".
I am most willing to document examples, a
You need to use trunk... that was not available in MR3 I think.
2007/7/18, Manukyan, Sergey <[EMAIL PROTECTED]>:
Folks,
I need to disable shadowing for the facts, trying to use "
drools.shadowProxyExcludes" property like this:
---
*final* PackageBuilder builder = *new* Pac
Folks,
I need to disable shadowing for the facts, trying to use
"drools.shadowProxyExcludes" property like this:
---
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl( new InputStreamReader(
DroolsTest2.class.getResourceAsStream( "/
Chris,
By the stack trace, the problem is triggered by a rule where you are
comparing (using ==) the "state" attribute of an
AirPlanStatusBoard.SortieStatus object...
[]s
Edson
2007/7/18, Chris West <[EMAIL PROTECTED]>:
Edson,
I'll try to re-create the problem in a self contained te
Chris,
What seems to be happening us that your SortieStatus interface has a
state attribute. Drools is trying to read this attribute value and cast it
to LaunchRecoveryStatusShadowProxy what is causing the problems...
Best way to solve would be to have the code so I can debug. Is it
possi
Edson,
I'll try to re-create the problem in a self contained test, but my rules are
very complex and very numerous, so I'm having a hard time pinpointed what
exactly triggers the condition.
As far as my code goes, my company will not let me disclose any of it.
Thanks for the suggestion, however.
Not quite able to say who I work for, but we run a brokerage app for which we
licensed the source code. We've been running/modding the app for the last 3
years, so it's pretty much our app now, in terms of how familiar we are with
it, and how much we've changed/tuned it.
That being said, our a
Edson,
It is certainly possible to create a JDK proxy with only some of the
interfaces that are present on the delegate object that you are proxying,
but in my case, my proxies have all the interfaces of the underlying object.
The top two lines of the call stack I sent shows the following:
Exce
Chris,
It is probably related. Can you isolate that in a self contained test
and send me? If it is proprietary code, you may send direct to me instead of
the list and I will not disclose. If we can fix that today, we may be able
to include it in final release as a bug fix.
[]s
Edson
Chris,
For the solution to work, it is important that a superclass or interface
matches all the ObjectTypes in your rulebase that your final class (proxy)
matches... I guess that is the case with JDK proxies, isn't it?
[]s
Edson
2007/7/18, Chris West <[EMAIL PROTECTED]>:
Edson,
I
Edson,
After further investigation, I found that I was still manually setting the
property "drools.shadowProxyExcludes" to exclude my proxies from being
shadowed (even thought they would not have been shadowed anyway in 4.0.0MR3.
After removing this property, the latest snapshot from the trunk se
you can always override equals() and hashcode() on your fact objects.
In fact it is always encouraged to do so. If you are using eclipse,
you can even choose the interesting properties which define the
semantic identity of your fact objects and eclipse can generate the
equals() and hashcode() meth
Edson,
I downloaded and built the latest from the trunk of the repository. I
applied this new build toward my test case, and it seemed to fix the
problem. However, when I applied it to my real project, it still exhibits
the problem. If I discover more information about the problem I'll let you
We short-listed Drools against ILOG and Fair Issac.
V4.0 was to be the technical winner but for (a) per CPU support cost and
(b) internal politics.
It was (and still is) a shame we had to "sell out" :-(
Mike
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf
Mark,
We might not be using 4.0 so soon. The business is still to make a decision
on that. In these scenarios what is way out to effectively code such kind of
a scenarios.
If i make all my class attributes to be objects ( Double), then in the rule
conditions i cannot use something like
1. attri
Hi Natraj,
In your particular case I think the problem is caused by a cross-product
setting in Drools.
I think, in older versions two patterns using the same Object type, expect it
to be the same (by reference) whereas in newer versions (by default) the
objects are different.
I think there
We deployed a Drools based solution to a client in the pharmaceutical
distribution world (Fortune 100 company :-). We used Drools to power
the decisions an interactive voice ordering system. A small number of
rules initially but growing constantly based on user metrics. System
has been running for
Hi Starke,
Thanks a lot for your inputs. Apart from being able to debug using your
stuff, my main concern is that a simple declaration is making the rule not
to fire. Why is that so?
I am pretty sure, when i remove that particular line the fact which is
passed passes the condition.
The Drools do
On 7/18/07, hypnosat7 <[EMAIL PROTECTED]> wrote:
Is there any companies which used Drools successfully ?
Tell us more about your experiences, I need it to make decision
I've worked at a company that used it internally in its product before,
although I don't work there now. It worked well for
The NoClassDefFoundError exception is thrown from within drools code, so
it's obviously in the classpath. The problem appears to be with the
mechanism used by drools to load it's own code.
Jesse
On Wed, 2007-18-07 at 02:14 -0300, Fernando Meyer wrote:
> You should add the drools-core library as
I believe all your requests are in 4.0, give that a try. For 2.0.6
you'll have to unwrap
> (bpl.doubleValue() * 1.5 )
Mark
Natraj Gudla wrote:
Hi All,
I am using Drools 3.0.6 and unable to perform some simple form of
multiplication. I want to compare an object field with another field
multi
Yes, there are. I work (as external consultant) for a few of those,
which I am not allowed to disclose here...
But: A decision pro/con Drools should be based upon YOUR specific
criteria, not those of other enterprises, right?!
In my experience, Drools is both stable and performant enough
to be us
Hi Natraj,
I wrote up a few tactics to (successfully) debug rules:
http://rbs.gernotstarke.de/faq/faq/faq-devel.html
It's neither finished nor complete - but try it out...
(test both conditions with one rule for each of them,
test for the existence of the appropriate facts,
include a catchall-ru
Natraj,
What you described are all limitations of drools 3. They are all solved
now in drools 4, but not much we can do in 3.
[]s
Edson
2007/7/18, Natraj Gudla <[EMAIL PROTECTED]>:
Hi All,
I am using Drools 3.0.6 and unable to perform some simple form of
multiplication. I want to com
Hi, I am using Drools 3.0.6, and facing a peculiar problem.
My rule:
*
rule* "Calculate Business profit,1"*
**salience* 1000
*when
**EMIAgainstProperty ( BP1 : refBP1 )
*emi : EMIAgainstProperty ( businessProfit2 > BP1 )
*then* *
*System.out.println(" BP "+(emi.getBusinessProfit1
()+emi.getB
Hi All,
I am using Drools 3.0.6 and unable to perform some simple form of
multiplication. I want to compare an object field with another field
multiplied by a factor.
*
rule* "*Calculate* Business profit,1"
*when
**EMIAgainstProperty* ( bp1 : businessProfit1 )
emi : *EMIAgainstProperty* ( busi
Is there any companies which used Drools successfully ?
Tell us more about your experiences, I need it to make decision
--
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Is there any information for the version 4 ?
Mark Proctor wrote:
>
> planned for the 16th. The engine is near enough frozen now, just waiting
> on the IDE stufff to finish, hopefully any day now.
>
> Mark
> hypnosat7 wrote:
>> And for the 4.0.0 release ?
>> thanks
>>
>> Mark Proctor wrote:
>>
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