Re: [rules-users] Enabled Keyword

[maunakea]

I struggled with this as well and I hope somebody can guide to show us how to
make this work.

Meanwhile, I came up with a workaround that works for the type of rules we
have...
 



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[rules-users] Would like to know about a coming Workshop/Training/Seminar in Drools/Guvnor

[ggeda]

Hi All,

I am looking for a Workshop/Training/Seminar in Drools/Guvnor in United
States.
I am doing a google search but thought word of mouth from smart people in
this group is better.

Please let me know if you have any information on this.

Thanks,
Genene



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Re: [rules-users] Drools 6 Spring JTA Persistence

[Martin Minka]

Alex,
I am sorry, I don't have solution for your problem, but maybe I will work
soon on same issue.
Are you using Drools 6.0.0.CR2 ? If yes, where you able to overcome this
problem
http://drools.46999.n3.nabble.com/rules-users-classloader-problem-in-Drools-6-0-0-CR1-and-CR2-working-in-Beta5-td4025726.html?

Do you mind to share your plugin code with community ?

Best regards,
Martin



2013/9/3 Alexander Herwix 

> Hey guys,
>
> I'm working on a Grails plugin for Drools/Jbpm 6 and I have trouble to get
> persistence working in a user friendly way. It would be awesome if someone
> with a better understanding of drools and especially drools spring
> integration could help me to figure this out :)
>
> I have considered multiple approaches:
>
> - Use a spring LocalContainerEntityManagerFactoryBean with a local
> JpaTransactionManager to configure a KieEnvironment via Spring.
>
> I basically got this working, but this doesn't provide real integration
> with Grails, as there are 2 seperate local TransactionManagers involved -
> limiting the ability to integrate drools in the grails app.
>
> - Use JTA-Transactions.
>
> As I want the plugin to be as user friendly as possible I would like to
> keep using the default tomcat container for development. There is the
> Atomikos Plugin for Grails which configures Grails to work with JTA. This
> works pretty nicely and should suffice for the development environment.
>
> My problem is integrating the Atomikos backed JTATransactionManager with
> the drools 6 spring environment configuration as I have not much experience
> with JTA. I have looked at the Tests for Kie-Spring and looked at as much
> documentation as I could find, but I can't seem to figure this out.
>
> This is what I use to configure the environment via spring (in Grails
> groovy syntax)
>
> jbpmGlobals(MapGlobalResolver)
>
> dacceptor(ClassObjectMarshallingStrategyAcceptor,['*.*'])
>
> kie.kstore(id:'kiestore')
>
> kie.environment(id: 'jbpmEnv'){
> kie.'entity-manager-factory'(ref:'entityManagerFactory')
>
> kie.globals(ref:'jbpmGlobals')
>
> kie.'object-marshalling-strategies'(){
> kie.'jpa-placeholder-resolver-strategy'()
>
> kie.'serializable-placeholder-resolver-strategy'('strategy-acceptor-ref':"dacceptor")
> }
> }
> //Tried to wrap my JtaTransactionManager with KieSpringTransactionManager
> jbpmTransactionManager(KieSpringTransactionManager,
> ref('transactionManager'))
>
>
> the environment value for transactionManager cannot be set here, because
> the parser expects a JpaTransactionManager. I tried to add the
> transactionManager manually to the environment and found the
> KieSpringTransactionManager, which looked like it could help me somehow,
> but in the end, there is always the default implementation of the
> JtaTransactionManager used which can't find the transactionManager that I
> configured.
>
> Error:
> NamingException occurred when processing request: [GET] /bpm/test/testJbpm
> Cannot create resource instance. Stacktrace follows:
> javax.naming.NamingException: Cannot create resource instance
> at
> org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:116)
> at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
> at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
> at javax.naming.InitialContext.lookup(InitialContext.java:411)
> at
> org.drools.persistence.jta.JtaTransactionManager.findUserTransaction(JtaTransactionManager.java:122)
> at
> org.drools.persistence.jta.JtaTransactionManager.(JtaTransactionManager.java:69)
> at
> org.drools.persistence.SingleSessionCommandService.initTransactionManager(SingleSessionCommandService.java:325)
> at
> org.drools.persistence.SingleSessionCommandService.(SingleSessionCommandService.java:114)
> at
> org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommandService(KnowledgeStoreServiceImpl.java:129)
> at
> org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newKieSession(KnowledgeStoreServiceImpl.java:67)
> at
> org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newKieSession(KnowledgeStoreServiceImpl.java:36)
> at bpm.TestController.testJbpm(TestController.groovy:119)
> at
> grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:200)
> at
> grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
>
>
> I would be glad about any input.
>
> Cheers, Alex
>
>
> _

[rules-users] Drools 6 Spring JTA Persistence

[Alexander Herwix]

Hey guys, 

I'm working on a Grails plugin for Drools/Jbpm 6 and I have trouble to get 
persistence working in a user friendly way. It would be awesome if someone with 
a better understanding of drools and especially drools spring integration could 
help me to figure this out :) 

I have considered multiple approaches:

- Use a spring LocalContainerEntityManagerFactoryBean with a local 
JpaTransactionManager to configure a KieEnvironment via Spring.

I basically got this working, but this doesn't provide real integration with 
Grails, as there are 2 seperate local TransactionManagers involved - limiting 
the ability to integrate drools in the grails app.

- Use JTA-Transactions. 

As I want the plugin to be as user friendly as possible I would like to keep 
using the default tomcat container for development. There is the Atomikos 
Plugin for Grails which configures Grails to work with JTA. This works pretty 
nicely and should suffice for the development environment. 

My problem is integrating the Atomikos backed JTATransactionManager with the 
drools 6 spring environment configuration as I have not much experience with 
JTA. I have looked at the Tests for Kie-Spring and looked at as much 
documentation as I could find, but I can't seem to figure this out. 

This is what I use to configure the environment via spring (in Grails groovy 
syntax)

jbpmGlobals(MapGlobalResolver)

dacceptor(ClassObjectMarshallingStrategyAcceptor,['*.*'])

kie.kstore(id:'kiestore')

kie.environment(id: 'jbpmEnv'){
kie.'entity-manager-factory'(ref:'entityManagerFactory')

kie.globals(ref:'jbpmGlobals')

kie.'object-marshalling-strategies'(){
kie.'jpa-placeholder-resolver-strategy'()

kie.'serializable-placeholder-resolver-strategy'('strategy-acceptor-ref':"dacceptor")
}
}
//Tried to wrap my JtaTransactionManager with KieSpringTransactionManager
jbpmTransactionManager(KieSpringTransactionManager, ref('transactionManager'))

the environment value for transactionManager cannot be set here, because the 
parser expects a JpaTransactionManager. I tried to add the transactionManager 
manually to the environment and found the KieSpringTransactionManager, which 
looked like it could help me somehow, but in the end, there is always the 
default implementation of the JtaTransactionManager used which can't find the 
transactionManager that I configured. 

Error:
NamingException occurred when processing request: [GET] /bpm/test/testJbpm
Cannot create resource instance. Stacktrace follows:
javax.naming.NamingException: Cannot create resource instance
at 
org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:116)
at 
javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
at javax.naming.InitialContext.lookup(InitialContext.java:411)
at 
org.drools.persistence.jta.JtaTransactionManager.findUserTransaction(JtaTransactionManager.java:122)
at 
org.drools.persistence.jta.JtaTransactionManager.(JtaTransactionManager.java:69)
at 
org.drools.persistence.SingleSessionCommandService.initTransactionManager(SingleSessionCommandService.java:325)
at 
org.drools.persistence.SingleSessionCommandService.(SingleSessionCommandService.java:114)
at 
org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommandService(KnowledgeStoreServiceImpl.java:129)
at 
org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newKieSession(KnowledgeStoreServiceImpl.java:67)
at 
org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newKieSession(KnowledgeStoreServiceImpl.java:36)
at bpm.TestController.testJbpm(TestController.groovy:119)
at 
grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:200)
at 
grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)


I would be glad about any input. 

Cheers, Alex

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Re: [rules-users] Guvnor Version

[Alexandre Porcelli]

Pritha we're working on next generation of web tooling that is called KIE-WB 
[1], and it's fully compatible with EAP 6.1.

[1] - http://blog.athico.com/2013/06/goodbye-guvnor-hello-drools-workbench.html

Regards,
---
Alexandre Porcelli
porce...@redhat.com


On Sep 3, 2013, at 2:21 AM, pritha.gh...@wipro.com wrote:

> Hi,
>  
> Please let me know the compatible drools guvnor version for JBoss EAP 6.1
>  
> Thanks,
> Pritha
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Re: [rules-users] Guvnor - could not find a drl file

[Michael Anstis]

In short, yes.


On 3 September 2013 11:58, Smurfs  wrote:

> Thanks for the reply.
> I got some questions.
>
> 'retrieve the drl using REST' --- whether it means that the drl file will
> be
> generated using REST API??
>
>
>
>
>
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Re: [rules-users] Guvnor - could not find a drl file

[Smurfs]

Thanks for the reply.
I got some questions. 

'retrieve the drl using REST' --- whether it means that the drl file will be
generated using REST API??





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Re: [rules-users] temporal reasoning/drools fusion: basic question

[Mauricio Salatino]

Sure

rule "not Y after X - 5 mins"
  when
$x: X()
 not ( Y( this after[ 5m ] $x) )
  then
   // do something
end

Check the Drools fusion docs.. there are examples there..
Cheers


On Mon, Sep 2, 2013 at 5:32 PM, amarok  wrote:

> Does fusion support temporal reasoning on futur events?
>
> E.g. I want to define rules like the following:
>
> If within 5 minutes after Event X there is NOT an Event Y
> Then do [...]
>
> This rule would then be "initiated" when an Event X occurs, and would be
> "fired" when within the next 5 minutes no Event Y follows.
>
> If this does not work with fusion, what would you recommend?
> If it does, could someone post a very simple .drl example for such a rule?
>
>
>
> --
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Re: [rules-users] Guvnor - could not find a drl file

[Michael Anstis]

My recommendation would be to move the binary packages built inside Guvnor
from one environment to another; the process for which falls outside of
Guvnor itself.

For example, author rules, build the package; get the package using REST,
test in your QA/UAT environment, move the package file to PROD once it
passes QA/UAT.

Rules in the package are assigned the Category "UAT" whilst being tested
and re-assigned the Category "PROD" once the package is moved to PROD.

You'd use a Build Selector to include rule that are in the relevant
category.

Other people probably have other approaches they can share.




On 3 September 2013 11:41, Smurfs  wrote:

> can you please let me know if we wanted to move a rule from one environment
> to another . how we do that?
> for example , qa to uat environment.
>
>
>
>
> --
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Re: [rules-users] Guvnor - could not find a drl file

[Smurfs]

can you please let me know if we wanted to move a rule from one environment
to another . how we do that?
for example , qa to uat environment.




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Re: [rules-users] Guvnor - could not find a drl file

[Michael Anstis]

The Guvnor User Guide has details.


On 3 September 2013 11:23, Smurfs  wrote:

> Hi
>
> I am really new to Drools. can you please let me know how to retrieve DRL
> from Guvnor using REST?
>
> Thanks
> Smurf
>
>
>
> --
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Re: [rules-users] Guvnor - could not find a drl file

[Smurfs]

Hi

I am really new to Drools. can you please let me know how to retrieve DRL
from Guvnor using REST?

Thanks
Smurf



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Re: [rules-users] Guvnor - could not find a drl file

[Michael Anstis]

Assets in Guvnor are stored in JCR (Apache Jackrabbit, by default).

You can configure JCR to use a database but the schema and content thereof
are not under the control of Guvnor; but JCR. For example, there isn't a
"rules" table nor is the content is readily DRL.

Most people retrieve DRL from Guvnor using REST.


On 3 September 2013 10:57, Smurfs  wrote:

> Hi
> I am working on guvnor drools deployed in JBOSS.
> Can anyone please let me know, where the rules will be stored? I could not
> see a .drl file.
>
> Thanks
> Smurf
>
>
>
>
> --
> View this message in context:
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[rules-users] Guvnor - could not find a drl file

[Smurfs]

Hi 
I am working on guvnor drools deployed in JBOSS.
Can anyone please let me know, where the rules will be stored? I could not
see a .drl file.

Thanks
Smurf




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Re: [rules-users] connecting drools decision table to database

[Michael Anstis]

Look at advanced enums in the Guvnor User Guide.

You can define an enum that obtains its values from a Java class; the
implementation of which can be whatever you want (i.e. reading from a
database).

With kind regards,

Mike


On 3 September 2013 10:05, ashish6276  wrote:

> Hi
>
> I have created decission table in drools guvnor. it has similar
> structure like
>
> countrycityairportsetRemark
> ind  delhi   ndlsgold grade
>
>I need to connect some database to fill these values of column. some
> drop down sort of thing from which  admin can select and create rule. Is it
> possible to configure drools column so that it can pull data from some
> database.
>
>
>
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[rules-users] connecting drools decision table to database

[ashish6276]

Hi

I have created decission table in drools guvnor. it has similar
structure like 

countrycityairportsetRemark
ind  delhi   ndlsgold grade

   I need to connect some database to fill these values of column. some
drop down sort of thing from which  admin can select and create rule. Is it
possible to configure drools column so that it can pull data from some
database.



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Re: [rules-users] What is Drools Kie ?

[Michael Anstis]

Hello,

KIE - Knowledge Is Everything - is effectively the umbrella term for Drools
6.0 (including jBPM and Drools Workbench - which used to be called Guvnor).

KIE introduces a new API for Drools Expert 6.0 that is based on the concept
of Maven projects and JARs.

Uberfire itself is not part of KIE nor Drools; Uberfire is a standalone
web-based Workbench, VFS and more. It can be re-used by anybody seeking a
framework to build web-based Workbenches.

Drools Workbench uses Uberfire and details of how it fits into the bigger
picture is covered here:
http://blog.athico.com/2013/06/goodbye-guvnor-hello-drools-workbench.html

The Drools Blog also contains a plethora of KIE / Drools 6.0 posts.

With kind regards,

Mike






On 3 September 2013 08:54, Zahid Ahmed  wrote:

>  Hi,
>
> ** **
>
> I need help in KIE API. Need to know that what it is and is there any
> tutorial available to use Drools KIE. What I have understood googling it
> out is that it as an API on top of Drools-JBPM, Drools-Guvnor (UberFire),
> Opta Planner, ..
>
> ** **
>
> ** **
>
> Is kie part of drools-6.x ? And if it is part of drools-6.x then what will
> be the effect on applications using Drool-5.5 running JBPM5.4, and guvnor
> 5.5 ?
>
> ** **
>
> Regards,
>
> ** **
>
> Zahid Ahmed
>
> ** **
>
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[rules-users] Enabled Keyword

[ashish6276]

Hi,
 Can somebody help me in how to implement "Enabled False" keyword in Excel
template? The objective of doing so is to disable some rules from excel
sheet.
 Thanks in advance.


Regards,
Ashish



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[rules-users] What is Drools Kie ?

[Zahid Ahmed]

Hi,

I need help in KIE API. Need to know that what it is and is there any tutorial 
available to use Drools KIE. What I have understood googling it out is that it 
as an API on top of Drools-JBPM, Drools-Guvnor (UberFire), Opta Planner, ..


Is kie part of drools-6.x ? And if it is part of drools-6.x then what will be 
the effect on applications using Drool-5.5 running JBPM5.4, and guvnor 5.5 ?

Regards,

Zahid Ahmed

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