The DRL you reported is working for me with both stateful and stateless.. it
may indeed be the case that I have already fixed the issue as a part of
another fix :) The PR should be confirmed in a few days
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I tried to repdroduce the issue, but I couldn't get the same error.. could
you provide a test case?
Also notice that I made some fixes in a pull request which has been out
there for a while, waiting
to get approved.. it may be the case that the fix is already contained in
there
Davide
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Offhand, it seems like the room needs to maintain a 'grid' of x and y tiles and
which tables occupy each tile. That way you can plan while making sure that no
two tables overlap.
Sent from my iPhone
On Jun 22, 2012, at 5:55 PM, Ricardo wrote:
>
> Hi when i use the following drl file for sco
Hi when i use the following drl file for score calculation It assign a
bigger table into the smaller room. help will be appreciated
console output is as follows..
*Solved Organizer with 2 rooms and 3 tables:
Table 1 -> Room 1
Table 2 -> Room 2
Table 3 -> Room 2*
test data:
Thanks Davide, your comments are much appreciated.
sent on the move
On 22 Jun 2012 22:52, "Davide Sottara" wrote:
> "Experimental" means it has not been tested thoroughly yet, so it might be
> subject to improvements and even some language changes. Also, it means that
> the docs are really lack
Hi Olfa,
sorry, I've been travelling in the last 3 weeks, I'll answer your emails
shortly after.
Now, for a general, public answer: "integrating business processes and
ontologies" is a very broad question...
Some possible interpretations include:
1) Using a BP ontology as a meta-model of BPs, so t
"Experimental" means it has not been tested thoroughly yet, so it might be
subject to improvements and even some language changes. Also, it means that
the docs are really lacking! :) (shame on me!).
I have never tried to use traits in guvnor yet, but my first impression is
that you don't really ne
Hi Benjamin,
Your assumptions are correct - not so green after all :)
Technical Rules are just plain text DRL, so whatever drools-expert supports
is possible.
TBH, I've not heard of anybody else using traits (or attempting to) in
Guvnor, so any feedback would be great.
AFAIK, "experimental" mea
Sure.
So if I did author rules in Guvnor using traits, I would (1) write a
technical rule to declare the trait, (2) write a technical rule to don that
trait given whatever LHS pattern, and (3) write another technical rule to
make use of the trait in a useful way -- all of which I would do without
Hi thanks lot, for the last one week I am breaking my head to understand the
drools planner.
I have two questions...
1) When to use Unweighted constrains?
2) Is any way I can combine the following two rules in to one rule, I mean
writing length and width in one rule condition instead of two. I tr
Most use case use IntConstraintOccurence because they have an int hard
score and an int soft score, for example in the cloud balancing example, ...
The int is the weight.
Take a look at the examples cloudBalancing, nqueens, ... and the manual
chapter about score calculation.
Op 22-06-12 20:18,
Hi,
How i can integrate ontology created with Protégé with JBPM ?
can you give me an example
thank you
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Thanks a lot for the reply W! I tried your suggested alternative and it
worked as I need it to.
- Ladd
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The first firing of "Faults coincide" is a bug.
Rule "Faults don't coincide" doesn't do what I think you want it to do
- "or" is inclusive, not exclusive.
I'd recommend using this rule:
rule "Detect"
when
f1 : MyEvent( key == "faultType1", value == "ALARM" )
not MyEvent( key == "faul
Is any one knows how to use 2d constraint(Object(String attr1, String attr2))
in the drools planner, planing entity to create drl file (may be in
accumulate function).
thanks,
-
with kind regards,
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Hi,
I am learning drools planner, please explain to me about the
ConstraintOccurrence (Int, Double,Long and Umweighted) object used in the
then part of the drools planner drl file. My doubt is when to use this each
type of this class and how it makes changes in the score calculations.
note: Alread
Mind you, it's not in the "stable" API, but I suppose it still works with 5.4.0.
It's one of the several thing I keep nagging about: that what you can
program in DRL - which is considered to be stable - you should be able
to retrieve via the stable API, at runtime.
Preaching to deaf ears. :-\
-W
I actually found this method by Wolfgang in an earlier post from over a year
ago:
KnowledgePackage kPackage = ...;
KnowledgePackageImp kPackageImp = (KnowledgePackageImp)kPackage;
org.drools.rule.Package package_ = kPackageImp.pkg;
// globals: key is name, value is type name
Map name2global = pac
Guvnor only supports traits in "technical rules" (which are effectively
free-format DRL, i.e. text).
I think traits are still considered experimental at this stage (Sotty, Mark
can you confirm?) so we'd be reluctant to introduce better UI support at
this time.
The need to add at some stage has be
On 22/06/2012, paco wrote:
> Hi everybody
>
> Is it possible to add new functionalies on Drools verifier?
>
Yes. It only needs someone to do it.
-W
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(Something strange is indeed going on which does result in differences
between accumulate functions with and without reverse. But I see now
that this is not what worries you. Sorry - but read on.)
This particular condition:
when
$event: TestEvent( $key:key)
$total : Number( ) f
I'm pretty new to developer forums. If my question is best asked in a
different venue, feel free to point me there. And if it's vague (see the
full version below), please ask clarifying questions. Thank you!
I was just reading in the 5.4 docs about traits, donning the isA keyword...
pretty exci
Hello,
I have deployed drools-spring on ServiceMix 4.4.1 and suffer the following
error:
java.lang.NullPointerException
at
org.apache.felix.framework.resolver.ResolverImpl.toStringBlame(ResolverImpl.java:1521)[org.apache.felix.framework-3.0.9-fuse-07-03.jar:]
at
Vincent,
I am looking at using your third option but when I call
kSession.getGlobals() but there aren't any global variables set in there. I
looked at the source to see what setGlobal was doing and that looks like it
checks the Globals on the internal session which gets it from its internal
rule
Hi everybody
Is it possible to add new functionalies on Drools verifier?
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I'm new to Drools and have what I think should be a simple use case. But I'm
getting some puzzling results from my tests.
I have a simple class with just a key and value. What I want to detect is
when the last occurrence with key "X" has a value of "ALARM" and the last
occurrence with key "Y" ha
I want to detect the conflict between the rules with Drools Verifier. For
example the first condition of the second rule is present in the first rule
and the actions to perform are the same in both rules as they demonstrate in
the following case. It works very well when these rules belong to the sa
Drools and jBPM are being executed in the same thread, in your set up mina
is not. Is that what are you pointing out?
Did you really need to have mina in a separate JVM or you can use the Local
Implementation?
Cheers
On Fri, Jun 22, 2012 at 10:00 AM, Alberto R. Galdo wrote:
>
> I see your point,
So, can you create an isolated test where you reproduce:
"We are unable to complete a human task after rehydrating a Drools
knowledge session because in some circunstances the generated Drools'
workitems don't get persisted in the database after the completion of a
previous task"
And I can ta
I see your point, but IMHO that doesn't mean that in certain circumstances,
when the process is being executed in a thread that it is no the same
thread as the one in which drools is executing leads to a situation in
which the persistence mechanisms are not enough to allow a fault tolerant
JBPM for
Sure, WorkItemHandlers are never persisted. I re-register those handlers
before staring the session, just because I want my tasks to be properly
executed.
:(
Alberto R. Galdo
arga...@gmail.com
On Fri, Jun 22, 2012 at 2:46 PM, Mauricio Salatino wrote:
> There are two concepts here:
> 1) WorkIt
I think that you are mixing things up.
Did you take a look at the CommandBasedStatefulKnowledgeSession?
Every command that represent an operation against the knowledge session is
being executed inside a transaction, for both rules and processes. As soon
as a safe point is found (for both processes
There are two concepts here:
1) WorkItem -> Persist the state of the activity
2) WorkItemHandlers -> Never Persisted
Are you re-registering the WorkItemHandlers at rehydratation?
WorkItemHandlers are part of the runtime status and don't get persisted.
Cheers
On Fri, Jun 22, 2012 at 9:39 AM, Alber
No, I didn't. I need to be able to deploy the human task server and my
knowledge session in separate JVM's. And Mina is on my way.
The fact that I am able to do things in some other way doesn't make this
very problem dissapear ... :(. In fact, this will never dissapear unless
some communication me
No, I'm not registering pending workitems at rehydration. That's why I'm
using Drools & JBPM persistence ;-). I don't want to write my own state
persistence, as I am a mere user of JBPM & Drools services.
>> "They are never persisted"
This several methods in org.drools.persitence.jpa.JPAPersisten
Both persistence mechanisms are already unified.
the jBPM-persistence module extends the Drools one adding the relevant
entities by the processes.
You can be having problems with the Mina Server, did you try the local
configuration? The Mina Server was designed to run in a different JVM than
the s
"We are unable to complete a human task after rehydrating a Drools
knowledge session because in some circunstances the generated Drools'
workitems don't get persisted in the database after the completion of a
previous task"
They are never persisted, they are runtime information that you must
re-
Hi,
I'm opening this thread in the aim of generating a debate about the
approach to session persistence in Drools and JBPM for BPMN processes which
by definition are able to generate asynchronous human tasks.
IMHO the current approach needs to be refactored in favor of joining the
managemen
Hi Wolfgang,
I couldn't agree more with your analysis unfortunately it seems that or i
have something wrong with my rule or there is something wrong with the
implementation?
First off all the reserve was set to false this would mean that once the
rule is finished the context shouldn't be availabl
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didn´t try that, but I think it´s better to use a version that is more
robust.
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