[jboss-jira] [JBoss JIRA] (DROOLS-3527) executable-model fails to compare BigDecimal

[Toshiya Kobayashi (Jira)]

    [ https://issues.jboss.org/browse/DROOLS-3527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683404#comment-13683404 ] 

Toshiya Kobayashi commented on DROOLS-3527:
-------------------------------------------

Unit test PR sent:
https://github.com/kiegroup/drools/pull/2217


> executable-model fails to compare BigDecimal
> --------------------------------------------
>
>                 Key: DROOLS-3527
>                 URL: https://issues.jboss.org/browse/DROOLS-3527
>             Project: Drools
>          Issue Type: Bug
>          Components: executable model
>    Affects Versions: 7.16.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Luca Molteni
>            Priority: Major
>              Labels: support
>
> When executable-model builds BigDecimal constraint, BigDecimal(long) constructor is used hence fails to compare at runtime.
> It generates source code like this:
> {code:java}
> public class Rules64ef7d59a364454aa08fdda838c67ad1RuleMethods0 {
>     /**
>      * Rule name: R1
>      */
>     public static org.drools.model.Rule rule_R1() {
>         final org.drools.model.Variable<com.sample.Customer> var_$customer = D.declarationOf(com.sample.Customer.class,
>                                                                                              "$customer");
>         org.drools.model.Rule rule = D.rule("com.sample",
>                                             "R1").build(D.pattern(var_$customer).expr("$expr$1$",
>                                                                                       (_this) -> org.drools.modelcompiler.util.EvaluationUtil.equals(org.drools.modelcompiler.util.EvaluationUtil.toBigDecimal(_this.getRate()),
>                                                                                                                                                      org.drools.modelcompiler.util.EvaluationUtil.toBigDecimal(12.111)),
>                                                                                       D.alphaIndexedBy(java.math.BigDecimal.class,
>                                                                                                        org.drools.model.Index.ConstraintType.EQUAL,
>                                                                                                        0,
>                                                                                                        _this -> _this.getRate(),
>                                                                                                        new java.math.BigDecimal("12.111")),
>                                                                                       D.reactOn("rate")),
>                                                         D.execute(() -> {
>             System.out.println("hello");
>         }));
>         return rule;
>     }
> }
> {code}



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