[rules-users] java.lang.ClassCastException comparing BigDecimals (compareTo)

[José Arrarte]

Hello again. I was out of office, sorry for not answering sooner...

I've opened a JIRA issue, #1433, with a test case and a full stack trace
desciption:

http://jira.jboss.com/jira/browse/JBRULES-1433

Best regards,
José Arrarte
On Jan 30, 2008 9:55 AM, Edson Tirelli <tirelli at post.com> wrote:

>
>       Looks like a bug to me. May I ask you plz to open a JIRA?
>
>       []s
>       Edson
>
> 2008/1/25, José Arrarte <jarrarte at gmail.com>:
> >
> >  Hello,
> >
> > First of all, I'd like to thank all the people involved in making this
> > tool such a great one (this includes whoever writes the reference manual as
> > well).
> >
> > I've been having some problems when comparing BigDecimals (using the
> > compareTo method). I didn't find this issue in any previous post or in
> > Drools' JIRA. However, I've been using Drools for a short time, so I hope
> > you people can help me.
> >
> > The problem:
> >
> > Firing this (simple) rule:
> >
> > rule "Test Rule"
> >   when
> >       $dec : java.math.BigDecimal() from java.math.BigDecimal.TEN;
> >       eval( $dec.compareTo(java.math.BigDecimal.ONE) > 0 )
> >   then
> >       System.out.println("OK!");
> > end
> >
> > Fires this exception:
> >
> > org.drools.RuntimeDroolsException: java.lang.ClassCastException:
> > java.lang.Integer cannot be cast to java.math.BigDecimal
> > at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:76)
> > at org.drools.reteoo.EvalConditionNode.assertTuple(
> > EvalConditionNode.java:145)
> > at org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(
> > SingleTupleSinkAdapter.java:20)
> > at org.drools.reteoo.FromNode.assertTuple(FromNode.java:90)
> > at
> > org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(
> > SingleTupleSinkAdapter.java:55)
> > at org.drools.reteoo.LeftInputAdapterNode.assertObject(
> > LeftInputAdapterNode.java:116)
> > at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(
> > SingleObjectSinkAdapter.java:22)
> > at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:153)
> >
> > at org.drools.reteoo.Rete.assertObject(Rete.java:175)
> > at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
> >
> > at
> > org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute
> > (ReteooWorkingMemory.java:179)
> > at org.drools.common.AbstractWorkingMemory.executeQueuedActions(
> > AbstractWorkingMemory.java:1315)
> > at org.drools.common.AbstractWorkingMemory.fireAllRules(
> > AbstractWorkingMemory.java:462)
> > at org.drools.common.AbstractWorkingMemory.fireAllRules(
> > AbstractWorkingMemory.java:433)
> > at com.sample.DroolsTest.main(DroolsTest.java:33)
> > Caused by: java.lang.ClassCastException: java.lang.Integer cannot be
> > cast to java.math.BigDecimal
> > at com.sample.Rule_Test_Rule_0Eval0Invoker.evaluate(Rule_Test_Rule_0Eval0Invoker.java:12)
> >
> > at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:72)
> > ... 14 more
> >
> > I've reported the issue in JIRA (
> > http://jira.jboss.com/jira/browse/JBRULES-1433)
> >
> > Best regards,
> > José
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
>
> --
>   Edson Tirelli
>   JBoss Drools Core Development
>   Office: +55 11 3529-6000
>   Mobile: +55 11 9287-5646
>   JBoss, a division of Red Hat @ www.jboss.com
> _______________________________________________
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>
>
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