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

[Toshiya Kobayashi (Jira)]

Toshiya Kobayashi created DROOLS-4382:
-----------------------------------------

             Summary: 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


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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