[jboss-jira] [JBoss JIRA] (DROOLS-5542) org.apache.maven.plugins:maven-compiler-plugin fails on the generated model

[Luca Molteni (Jira)]

     [ https://issues.redhat.com/browse/DROOLS-5542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luca Molteni updated DROOLS-5542:
---------------------------------
    Sprint: 2020 Week 31-33 (from Jul 27)


> org.apache.maven.plugins:maven-compiler-plugin fails on the generated model
> ---------------------------------------------------------------------------
>
>                 Key: DROOLS-5542
>                 URL: https://issues.redhat.com/browse/DROOLS-5542
>             Project: Drools
>          Issue Type: Bug
>          Components: executable model
>    Affects Versions: 7.40.0.Final
>            Reporter: Ciprian Chiru
>            Assignee: Luca Molteni
>            Priority: Major
>
> Given a rule as such (modified from the standard example):
>  
> {code:java}
> global org.example.drools.service.DummyService dummyService;
> rule "will execute per each Measurement having ID color"
> no-loop
> when
>  Measurement( id == "color", $colorVal : val )
>  $var1: String() from dummyService.dummy("a");
>  $var2: String() from dummyService.dummy("b");
>  $var3: String() from dummyService.dummy("c");
>  String() from dummyService.dummy($var1, $var2, $var3)
> then
>  controlSet.add($colorVal);
> end{code}
> The _org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile_ fails with:
> {code:java}
> no suitable method found for from(org.drools.model.Global<org.example.drools.service.DummyService>,org.drools.model.Variable<java.lang.String>,org.drools.model.Variable<java.lang.String>,org.drools.model.Variable<java.lang.String>,rules.PFD.LambdaExtractorFD1FA74D5FA8CFA329D97E34A42287FA)
> [ERROR] method org.drools.model.DSL.<T>from(T) is not applicable
> [ERROR] (cannot infer type-variable(s) T
> [ERROR] (actual and formal argument lists differ in length))
> [ERROR] method org.drools.model.DSL.<T>from(org.drools.model.Variable<T>) is not applicable
> [ERROR] (cannot infer type-variable(s) T
> [ERROR] (actual and formal argument lists differ in length))
> [ERROR] method org.drools.model.DSL.<T>from(org.drools.model.functions.Function0<T>) is not applicable
> [ERROR] (cannot infer type-variable(s) T
> [ERROR] (actual and formal argument lists differ in length))
> [ERROR] method org.drools.model.DSL.<T>from(org.drools.model.Variable<T>,org.drools.model.functions.Function1<T,?>) is not applicable
> [ERROR] (cannot infer type-variable(s) T
> [ERROR] (actual and formal argument lists differ in length))
> [ERROR] method org.drools.model.DSL.<A,B>from(org.drools.model.Variable<A>,org.drools.model.Variable<B>,org.drools.model.functions.Function2<A,B,?>) is not applicable
> [ERROR] (cannot infer type-variable(s) A,B
> [ERROR] (actual and formal argument lists differ in length))
> [ERROR] method org.drools.model.DSL.<A,B,C>from(org.drools.model.Variable<A>,org.drools.model.Variable<B>,org.drools.model.Variable<C>,org.drools.model.functions.Function3<A,B,C,?>) is not applicable
> [ERROR] (cannot infer type-variable(s) A,B,C
> [ERROR] (actual and formal argument lists differ in length)){code}
>  
> So the DSL.from() cannot accept more than 2 variables.
>  



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