11:59 a.m.
This isn't bug, you aren't using drools correctly. Only valid java can
be used in an Action. anAnswer:BooleanAnswer is not valid java and shows
up in your generated code:
anAnswer: BooleanAnswer.anAnswer.setAnswer(true);;
Hehl, Thomas wrote:
The problem appears to be that the rule being generated is just flat
wrong. I'm starting to think this is a bug in decision tables for 4.0 GA.
The following entry:
ACTION
anAnswer: BooleanAnswer
anAnswer.setAnswer($param);
*Allowed*
*TRUE*
*TRUE*
Generates this rule:
rule "postponePart_10"
when
PoolInfo(courtLocation == "101", statusCode >= 0,
statusCode <= 2, numberFta < 1, numberOfDeferralsPosted < 2,
daysBeforeSummons>= 1, daysBeforeSummons<= 1)
then
anAnswer: BooleanAnswer.anAnswer.setAnswer(true);;
end
This doesn't seem right at all. What I'm trying to do is to call the
setAnswer method on the object I passed in with:
StatelessSession session =
participantRuleBase.newStatelessSession();
//now create some test data
PoolInfo pool = part.getActivePool();
BooleanAnswer answer = *new* BooleanAnswer();
Object[] rules = *new* Object[]{pool, answer};
session.execute(rules);
*return* answer.isTrue();
Advice?
Thanks.
------------------------------------------------------------------------
*From:* Hehl, Thomas
*Sent:* Tuesday, August 28, 2007 4:10 PM
*To:* 'rules-users(a)lists.jboss.org'
*Subject:* Decision Tables
I'm having trouble figuring out the ACTION section of a decision
table. Everything else appears to be working.
My rules result in a simple True/False condition. To do this in a
decision table, I've created a class called BooleanAnswer that looks like:
public class BooleanAnswer {
private boolean answer;
/**
* no-arg constructor
*/
public BooleanAnswer(){
}
/**
* create your own default answer
* @param answer the answer to set
*/
public BooleanAnswer(boolean answer){
setAnswer(answer);
}
/**
* @return the answer
*/
public boolean isTrue() {
return answer;
}
/**
* @param answer the answer to set
*/
public void setAnswer(boolean answer) {
this.answer = answer;
}
}
Then I create a decision table with the following ACTION in it:
ACTION
answer: BooleanAnswer
answer.setAnswer($param);
*Allowed*
*TRUE*
This generates the following errors:
...
Caused by: org.drools.rule.InvalidRulePackage: Rule Compilation error
: [Rule name=postponePart_15, agendaGroup=MAIN, salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_15_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_13, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_13_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_14, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_14_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_16, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_16_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_17, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_17_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_10, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_10_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_11, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_11_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_18, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_18_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_19, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_19_0.java
(8:343) : The field BooleanAnswer.answer is not visible
Rule Compilation error : [Rule name=postponePart_12, agendaGroup=MAIN,
salience=0, no-loop=false]
participantPostponementRules/Rule_postponePart_12_0.java
(8:343) : The field BooleanAnswer.answer is not visible
at org.drools.rule.Package.checkValidity(Package.java:408)
at
org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:288)
at
com.acs.gs.juror.bizstrategy.PostponementStrategy.init(PostponementStrategy.java:129)
... 14 more
)
at junit.framework.Assert.fail(Assert.java:47)
at junit.framework.TestSuite$1.runTest(TestSuite.java:263)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at
junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Help for a newbie, please?
Thanks.
**Thom Hehl***
*Sr. eJuror Architect
**)**** ****Office (859) 277-8800 x 144**
******* ****Thomas.Hehl(a)acs-inc.com
<mailto:Thomas.Hehl@acs-inc.com>**** ***
***ACS, Inc.**
**Government Solutions**
**1733 Harrodsburg Road***
**Lexington****, KY 40504-3617***
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