Re: [rules-users] rules-users Digest, Vol 72, Issue 55
by Gurvinder Narula1
Hi Mattias,
Thanks for the clarification. Appreciate the quick response.
Gurvinder
On 11/27/12 12:00 PM, "rules-users-request(a)lists.jboss.org"
<rules-users-request(a)lists.jboss.org> wrote:
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>Today's Topics:
>
> 1. Drools response time (elMateo)
> 2. Re: Drools response time (Mauricio Salatino)
> 3. Re: Drools response time (Luk?? Petrovick?)
> 4. Re: Drools response time (elMateo)
> 5. Re: Question about drools-spring in a multi-treaded container
> (like tomcat). (Mattias Nilsson Grip)
> 6. Re: Inserting Different Objects Of Same Class ! (Greg Barton)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Tue, 27 Nov 2012 16:06:58 +0100
>From: elMateo <soyelmateo(a)gmail.com>
>Subject: [rules-users] Drools response time
>To: Rules Users List <rules-users(a)lists.jboss.org>
>Message-ID:
> <CAKx6_9aEY2GEYoY0LmWUcW2DyyPYmX_sAAFr=Ou_u4dxuB4jmQ(a)mail.gmail.com>
>Content-Type: text/plain; charset="iso-8859-1"
>
>Dear all,
>
>I need to develop an Expert System for a new project and I want to use
>Drools, butI have some restrictions.
>
>The most important restriction: response time of the application must be
>less than one second. Also, the application access to one data base to
>retrieve some information and send it to the expert systetm.
>
>With this information, can anyone tell me, approximately, the response
>time
>of Drools? It is very important to can use Drools in this project. And we
>like very much to use it. (We use in other projects without these
>restrictions).
>
>Thank in advance.
>
>Best regards, Jes?s.
>
13 years, 1 month
Drools response time
by elMateo
Dear all,
I need to develop an Expert System for a new project and I want to use
Drools, butI have some restrictions.
The most important restriction: response time of the application must be
less than one second. Also, the application access to one data base to
retrieve some information and send it to the expert systetm.
With this information, can anyone tell me, approximately, the response time
of Drools? It is very important to can use Drools in this project. And we
like very much to use it. (We use in other projects without these
restrictions).
Thank in advance.
Best regards, Jesús.
13 years, 1 month
stuck! Unknown accessor type: org.mvel2.optimizers.impl.refl.collection.ArrayCreator@690c2a7a
by mohdejaz74
Has anyone come across this issue ...
I really need to get this issue fixed.
Any advice would be helpful!
Exception in thread "Thread-163" java.lang.RuntimeException: Unknown
accessor type:
org.mvel2.optimizers.impl.refl.collection.ArrayCreator@690c2a7a
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeAccessor(ConditionAnalyzer.java:246)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:232)
at
org.drools.rule.constraint.ConditionAnalyzer.statementToExpression(ConditionAnalyzer.java:449)
at
org.drools.rule.constraint.ConditionAnalyzer.readInvocationParams(ConditionAnalyzer.java:432)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeAccessor(ConditionAnalyzer.java:327)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeExpressionNode(ConditionAnalyzer.java:308)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeAccessor(ConditionAnalyzer.java:268)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:232)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeSingleCondition(ConditionAnalyzer.java:109)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeCondition(ConditionAnalyzer.java:102)
at
org.drools.rule.constraint.ConditionAnalyzer.analyzeCondition(ConditionAnalyzer.java:73)
at
org.drools.rule.constraint.MvelConditionEvaluator.getAnalyzedCondition(MvelConditionEvaluator.java:83)
at
org.drools.rule.constraint.MvelConstraint.executeJitting(MvelConstraint.java:218)
at
org.drools.rule.constraint.MvelConstraint.access$000(MvelConstraint.java:41)
at org.drools.rule.constraint.MvelConstraint$1.run(MvelConstraint.java:202)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
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13 years, 1 month
JPA vs Marshaller for session persistence
by magnusv
Are there any disadvantages to using the Marshaller instead of JPA for
persistence?
We are running Drools as an embedded service, and we would favor the
Marshaller because we don't want to handle the persisting of the session id
between system reboots. We're currently not using JPA in our system, and it
seems unnecessary to add it just for Drools.
In which scenarios would it be appropriate to use JPA and Marshalling
respectively?
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13 years, 1 month
Re: [rules-users] Planner:5.5.0beta1 chained with 2 planningvariables difficulties
by ge0ffrey
Paul T wrote
> Exception in thread "main" java.lang.IllegalArgumentException: The
> valueSelectorConfig (ValueSelectorConfig(null)) has no configured
> planningVariableName (null) for planningEntityClass (class
> com.domain.Orders) and because there are multiple in the
> planningVariableNameSet ([previousTaskOrEquip, standTime]), it can not be
> deducted automatically.
You'll need to specify the planningVariableName, see the
curriculumCourseSolverConfig.xml for an example how to do that.
This is because there are 2 planning variables, it's independent of whether
or not some of them are chained.
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13 years, 1 month
using "from accumulate" with wrong return type
by raffi
Hello,
I have a problem with using the /from accumulate/ statement. It is because
I'd like to optmize my code a liitle bit. There are two rules that I like to
merge.
/query "max recomm value for slot 1"
accumulate (Recommendation(slot == 1, $recomm_value : recommValue),
max : max($recomm_value))
end/
and
/query "recomms for slot 1"
recomm : Recommendation(slot == 1)
end/
So with the first rule I get the maximum of the variable recommValue. The
second rule is for searching exactly this Recommendation-fact with this
value. Now I tried to merge them in the following way:
/
query "recomm for slot 1"
$recomm : Recommendation() from
accumulate(Recommendation(
slot == 1, $recomm_value : recommValue),
max($recomm_value)
)
end/
But the returned value always is a double one. Is it because of the usage of
the maximum function? Is it possible to solve this problem with only one
query (getting that Recommendation-fact with the highest recommValue)?
Regards...
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13 years, 1 month
