[rules-users] re: NumberGuessExample
Tak-po Li
takpo.li at gmail.com
Wed Jun 10 17:19:58 EDT 2009
Thanks, Andre, I got it this time.
Tak
2009/6/10 Malenfant, Andre <andre.malenfant at cgi.com>
> Sorry, I gave you instruction for the imports and globals…
>
>
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> - Open the Properties view in Eclipse
>
> - Select the background of the flow (unselect any selected items)
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> - The Properties view should refresh
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> - The package property should be available for edit in the view
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> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Tak-po Li
> *Sent:* Wednesday, June 10, 2009 4:50 PM
> *To:* Rules Users List
> *Subject:* Re: [rules-users] re: NumberGuessExample
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> I do not get it. What I need is to change the text of "com.sample" in file
> Guess.rf. How this can be done in the Drools plugin?
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> Thanks,
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> Tak
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> <?xml version="1.0" encoding="UTF-8"?>
> <process xmlns="http://drools.org/drools-5.0/process"
> xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
> xs:schemaLocation="http://drools.org/drools-5.0/processdrools-processes-5.0.xsd"
> type="RuleFlow" name="Number Guess" id="Number Guess"
> package-name="com.sample" >
>
> <header>
> <imports>
> <import name="com.sample.NumberGuessExample.Game" />
> <import name="com.sample.NumberGuessExample.GameRules" />
> <import name="com.sample.NumberGuessExample.Guess" />
> <import name="com.sample.NumberGuessExample.RandomNumber" />
> </imports>
> </header>
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> 2009/6/10 Mauricio Salatino <salaboy at gmail.com>
>
> You can change that looking at the properties of the process. Clicking in
> the background of the designer.
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> 2009/6/10 Tak-po Li <takpo.li at gmail.com>
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> I look at Guess.rf the xml file. I notice the Package and Import
> locations are pointing to the old location. After I change them to the new
> one by hand. The code works.
>
>
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> How can I change the above in Eclipse GUI interface?
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> Thanks,
>
>
>
> Tak
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> 2009/6/10 Mauricio Salatino <salaboy at gmail.com>
>
> *java.lang.IllegalArgumentException**: Unknown process ID: Number Guess
>
> *
>
> That exceptions means that you probably don't add the process definition to
> the current knowledgeBuilder.
> To see these kind of problems you probably need to add something like this
> after KnowledgeBuilder add calls:
>
> if ( kbuilder.hasErrors() ) {
>
> System.err.println( builder.getErrors().toString() );
>
> }
>
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> 2009/6/10 Tak-po Li <takpo.li at gmail.com>
>
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>
> Mauricio,
>
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> I would like to take this example as the base to play around. That is what
> I did:
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> 1. Make a project "try" that generates the HellowWorld for me in Eclipse.
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> 2. add directory "log"
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> 3. Move file Guess.java to the Java/com/sample directory. Move Guess.drl
> and Guss.rf to rule directory.
>
>
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> 4. Change Package and Implort location from org/drools/examples to
> com/sample in the above three files.
>
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> Eclipse shows compiler error pointing to ShoppingExample.*class. *
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> *I did the same to Shopping.java and Shopping.drl and the compiler error
> is removed, and the following is the run time error messages:*
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> *Exception in thread "main" *
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> *java.lang.IllegalArgumentException**: Unknown process ID: Number Guess *
>
> *at org.drools.common.AbstractWorkingMemory.startProcess(*
>
> *AbstractWorkingMemory.java:1615**) *
>
> *at org.drools.common.AbstractWorkingMemory.startProcess(*
>
> *AbstractWorkingMemory.java:1604**) *
>
> *at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(*
>
> *StatefulKnowledgeSessionImpl.java:267**) *
>
> *at com.sample.NumberGuessExample.main(*
>
> *NumberGuessExample.java:38**)*
>
> Could you please point me the right direction?
>
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> Thanks,
>
>
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> Tak
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> 2009/6/10 Mauricio Salatino <salaboy at gmail.com>
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> This is only a reference to know in which class loader is the resource...
> The idea is to know that the resource (in this case: NumberGuess.drl and
> NumberGuess.rf) is in the same class loader that the ShoppingExample.*
> class*
>
> 2009/6/10 Tak-po Li <takpo.li at gmail.com>
>
>
>
> I am a newbie with Drools rules. I just download the examples. I notice
> in line19 of NumberGuessExample.java, there are two statement that
> referring to ShoppingExample.*class.*
>
>
>
> It seems this is different example. Could someone help me out?
>
>
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> Thanks,
>
>
>
> Tak
>
>
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>
>
> kbuilder.add( ResourceFactory.*newClassPathResource*(
>
> "NumberGuess.drl",
>
> ShoppingExample.
>
> *class* ),
>
> ResourceType.
>
> *DRL* );
>
> kbuilder.add( ResourceFactory.*newClassPathResource*(
>
> "NumberGuess.rf",
>
> ShoppingExample.
>
> *class* ),
>
> ResourceType.
>
> *DRF* );
>
>
>
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>
>
>
> --
> - http://salaboy.wordpress.com
> - http://www.jbug.com.ar
> - Salatino "Salaboy" Mauricio -
>
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>
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>
>
>
>
> --
> - http://salaboy.wordpress.com
> - http://www.jbug.com.ar
> - Salatino "Salaboy" Mauricio -
>
>
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>
>
>
> --
> - http://salaboy.wordpress.com
> - http://www.jbug.com.ar
> - Salatino "Salaboy" Mauricio -
>
>
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