[jboss-jira] [JBoss JIRA] (DROOLS-4382) Executable-model build error with "matches" and fuction with a fact property as an argument

[Toshiya Kobayashi (Jira)]

     [ https://issues.jboss.org/browse/DROOLS-4382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Toshiya Kobayashi updated DROOLS-4382:
--------------------------------------
    Git Pull Request: https://github.com/kiegroup/drools/pull/2483


> Executable-model build error with "matches" and fuction with a fact property as an argument
> -------------------------------------------------------------------------------------------
>
>                 Key: DROOLS-4382
>                 URL: https://issues.jboss.org/browse/DROOLS-4382
>             Project: Drools
>          Issue Type: Bug
>          Components: executable model
>    Affects Versions: 7.24.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Luca Molteni
>            Priority: Major
>              Labels: support
>
> When a rule uses "matches" and class function and its argument is a property of the fact,
> for example)
> {noformat}
> import org.drools.modelcompiler.domain.Person;
> import static org.drools.modelcompiler.domain.MyFunctions.*;
> rule R when
>     $a : Person( name matches testMatch(likes) )
> then
> end
> {noformat}
> It fails to build in executable-model
> {noformat}
> [ERROR] testMatchesClassFunctionWithArg[FLOW_DSL](org.drools.modelcompiler.CompilerTest)  Time elapsed: 0.346 s  <<< ERROR!
> java.lang.IllegalArgumentException: Cannot get expression type by name _this!
> 	at org.drools.modelcompiler.builder.generator.DrlxParseUtil.lambda$expressionTypeNameExpr$2(DrlxParseUtil.java:246)
> 	at java.util.Optional.orElseThrow(Optional.java:290)
> 	at org.drools.modelcompiler.builder.generator.DrlxParseUtil.expressionTypeNameExpr(DrlxParseUtil.java:246)
> 	at org.drools.modelcompiler.builder.generator.DrlxParseUtil.getExpressionType(DrlxParseUtil.java:180)
> 	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.processFirstNode(ExpressionTyper.java:549)
> {noformat}
> It works with non-executable-model.
> Additonal note: When running kie-maven-plugin with -DgenerateModel=YES in 7.23.0.Final-redhat-00002 (RHDM 7.4.0), the error message is "No value present".
> {noformat}
> [ERROR] Failed to execute goal org.kie:kie-maven-plugin:7.23.0.Final-redhat-00002:generateModel (default-generateModel) on project model-map-evaluation-rule: Execution default-generateModel of goal org.kie:kie-maven-plugin:7.23.0.Final-redhat-00002:generateModel failed: No value present -> [Help 1]
> {noformat}



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