Re: [rules-users] Is 3.1 M1 backward compatible?

Wed, 21 Feb 2007 15:11:09 -0800 


  Dandrea,

  It took me a bit longer, but it is fixed now:

http://jira.jboss.com/jira/browse/JBRULES-696
It will be included in milestone 2, but if you want to try now, just checkout the code from trunk. 

  Thank you for reporting.

    Edson

Edson Tirelli wrote:



  Dandrea,

  I see the problem.
  I will investigate a bit and let you know in a couple hours.

  Regards,
   Edson


Dandrea Francesco wrote:


Yes, but I don't think that the cases below apply to my test.
All my facts have a default constructor and they doesn't use the final keyword. The native data types are used in the LHS only (boolean an integer types) in this way for example: 

$allarme : AllarmeMisura(aggregated==*false*, networkState=="Open")

which i think is allowed (right?).
The base error is a class cast exception it seems:
__
_java.lang.ClassCastException_: it.telecomitalia.netbox.AggregatedAlarmShadowProxy
at org.drools.base.it.telecomitalia.netbox.AllarmeTf$getReferencedElement.getValue(Unknown Source)
at org.drools.base.ClassFieldExtractor.getValue(_ClassFieldExtractor.java:79_) 

at org.drools.rule.Declaration.getValue(_Declaration.java:156_)
at it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Predicate0Invoker.evaluate(_Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Predicate0Invoker.java:14_)
at org.drools.rule.PredicateConstraint.isAllowedCachedRight(_PredicateConstraint.java:190_)
AggregatedAlarm is the base class of AllarmeTf, and the LHS of the rule "Nuovo Allarme Misura No Allarme Oggetto" that gives an exception is this: 

$allarme : AllarmeMisura(aggregated==*false*, networkState=="Open")
*not* AllarmeTf( $tfAllarme :referencedElement ->( $tfAllarme.equals($allarme.getReferencedElement().getReferencedTf()))) 

To me it seem ok.....
Am I doing something wrong?
------------------------------------------------------------------------ 
    *Da:* [EMAIL PROTECTED]
    [mailto:[EMAIL PROTECTED] *Per conto di *Mark
    Proctor
    *Inviato:* mercoledì 21 febbraio 2007 15.41
    *A:* Rules Users List
    *Oggetto:* Re: [rules-users] Is 3.1 M1 backward compatible?

    The syntax is backwards compatible. However as the release notes
    mention we no longer autobox primitives, as you can now work
    directly with them, which will cause issues in  old drls that
    assumed numbers are wrapped. Also pojos must have a default
    constructor and not use the final keyword at the class and method
level - we are actively looking to add more flexability to this case. 

    Mark
    Dandrea Francesco wrote:


Hi all, the attached example runs ok (slow but ok) on JBoss Rules 3.0.5
Now when I run it with 3.1M1 I have an exception (I pasted it at the end 
of the mail).
Is 3.1 M1 backward compatible? Is this a bug? Should I change the code
in some way?
Thanks a lot

org.drools.RuntimeDroolsException: Exception executing predicate
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr 
[EMAIL PROTECTED]

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:196)

at
org.drools.common.SingleBetaConstraints.isAllowedCachedRight(SingleBetaC 
onstraints.java:111)

at org.drools.reteoo.NotNode.assertObject(NotNode.java:149)

at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(Compo 
siteObjectSinkAdapter.java:313)

at
org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:163)

at org.drools.reteoo.Rete.assertObject(Rete.java:121)

at
org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:196)

at
org.drools.reteoo.ReteooWorkingMemory.doAssertObject(ReteooWorkingMemory 
.java:68)

at
org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemo 
ry.java:724)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:72)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:66)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.c 
onsequence(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.java:17)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Co nsequenceInvoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0 
ConsequenceInvoker.java:22)

at
org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:467)

at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:431)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:360)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:341)

at
it.telecomitalia.netbox.MainProvaClass.fireRuleEngineProva(MainProvaClas 
s.java:85)

at it.telecomitalia.netbox.MainProvaClass.main(MainProvaClass.java:23)

Caused by: java.lang.ClassCastException:
it.telecomitalia.netbox.AggregatedAlarmShadowProxy

at
org.drools.base.it.telecomitalia.netbox.AllarmeTf$getReferencedElement.g 
etValue(Unknown Source)

at
org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:79 
)

at org.drools.rule.Declaration.getValue(Declaration.java:156)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr edicate0Invoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0P 
redicate0Invoker.java:14)

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:190)

... 18 more

org.drools.RuntimeDroolsException: Exception executing predicate
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr 
[EMAIL PROTECTED]

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:196)

at
org.drools.common.SingleBetaConstraints.isAllowedCachedRight(SingleBetaC 
onstraints.java:111)

at org.drools.reteoo.NotNode.assertObject(NotNode.java:149)

at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(Compo 
siteObjectSinkAdapter.java:313)

at
org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:163)

at org.drools.reteoo.Rete.assertObject(Rete.java:121)

at
org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:196)

at
org.drools.reteoo.ReteooWorkingMemory.doAssertObject(ReteooWorkingMemory 
.java:68)

at
org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemo 
ry.java:724)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:72)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:66)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.c 
onsequence(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.java:17)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Co nsequenceInvoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0 
ConsequenceInvoker.java:22)

at
org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:467)

at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:431)

at
org.drools.common.AbstractWorkingMemory.doOtherwise(AbstractWorkingMemor 
y.java:384)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:366)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:341)

at
it.telecomitalia.netbox.MainProvaClass.fireRuleEngineProva(MainProvaClas 
s.java:85)

at it.telecomitalia.netbox.MainProvaClass.main(MainProvaClass.java:23)

Caused by: java.lang.ClassCastException:
it.telecomitalia.netbox.AggregatedAlarmShadowProxy

at
org.drools.base.it.telecomitalia.netbox.AllarmeTf$getReferencedElement.g 
etValue(Unknown Source)

at
org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:79 
)

at org.drools.rule.Declaration.getValue(Declaration.java:156)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr edicate0Invoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0P 
redicate0Invoker.java:14)

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:190)

... 19 more

org.drools.spi.ConsequenceException: org.drools.RuntimeDroolsException:
Exception executing predicate
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr 
[EMAIL PROTECTED]

at
org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:471)

at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:431)

at
org.drools.common.AbstractWorkingMemory.doOtherwise(AbstractWorkingMemor 
y.java:384)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:366)

at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemo 
ry.java:341)

at
it.telecomitalia.netbox.MainProvaClass.fireRuleEngineProva(MainProvaClas 
s.java:85)

at it.telecomitalia.netbox.MainProvaClass.main(MainProvaClass.java:23)

Caused by: org.drools.RuntimeDroolsException: Exception executing
predicate
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr 
[EMAIL PROTECTED]

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:196)

at
org.drools.common.SingleBetaConstraints.isAllowedCachedRight(SingleBetaC 
onstraints.java:111)

at org.drools.reteoo.NotNode.assertObject(NotNode.java:149)

at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(Compo 
siteObjectSinkAdapter.java:313)

at
org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:163)

at org.drools.reteoo.Rete.assertObject(Rete.java:121)

at
org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:196)

at
org.drools.reteoo.ReteooWorkingMemory.doAssertObject(ReteooWorkingMemory 
.java:68)

at
org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemo 
ry.java:724)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:72)

at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelp 
er.java:66)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.c 
onsequence(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0.java:17)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Co nsequenceInvoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0 
ConsequenceInvoker.java:22)

at
org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:467)

... 6 more

Caused by: java.lang.ClassCastException:
it.telecomitalia.netbox.AggregatedAlarmShadowProxy

at
org.drools.base.it.telecomitalia.netbox.AllarmeTf$getReferencedElement.g 
etValue(Unknown Source)

at
org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:79 
)

at org.drools.rule.Declaration.getValue(Declaration.java:156)

at
it.telecomitalia.netbox.Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0Pr edicate0Invoker.evaluate(Rule_Nuovo_Allarme_Misura_No_Allarme_Oggetto_0P 
redicate0Invoker.java:14)

at
org.drools.rule.PredicateConstraint.isAllowedCachedRight(PredicateConstr 
aint.java:190)

... 19 more
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       Thank you

                                       www.telecomitalia.it

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above and may contain confidential information. If you have received
the message in error, be informed that any use of the content hereof
is prohibited. Please return it immediately to the sender and delete
the message. Should you have any questions, please contact us by
replying to [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>. 
        Thank you
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--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com


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