[jboss-jira] [JBoss JIRA] (DROOLS-2928) Wrong division calculation in Mvel Jitted constraint

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco updated DROOLS-2928:
--------------------------------
    Sprint: 2018 Week 33-35


> Wrong division calculation in Mvel Jitted constraint
> ----------------------------------------------------
>
>                 Key: DROOLS-2928
>                 URL: https://issues.jboss.org/browse/DROOLS-2928
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 7.10.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Mario Fusco
>              Labels: support
>
> For a constraint like "age > ((2*$age1)/3) ", Mvel Jitting generates a class like:
> {code:java}
> public class ConditionEvaluator251ed544c9124e1d99d3a8cae5048e1a
>     implements ConditionEvaluator
> {
>     public boolean evaluate(InternalFactHandle internalfacthandle, InternalWorkingMemory internalworkingmemory, Tuple tuple)
>     {
>         Tuple tuple1 = tuple;
>         int i = declarations[0].getIntValue(internalworkingmemory, tuple1.getFactHandle().getObject());
>         return ((Person)internalfacthandle.getObject()).getAge() > 2 * i * 3;
>     }
>     public ConditionEvaluator251ed544c9124e1d99d3a8cae5048e1a(Declaration adeclaration[])
>     {
>         declarations = adeclaration;
>     }
>     private static final String EXPRESSION = "age > ((2*$age1)/3)";
>     private final Declaration declarations[];
> }
> {code}
> The division is wrongly generated like "getAge() > 2 * i * 3".



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