[jboss-jira] [JBoss JIRA] (DROOLS-4658) Executable model compilation fails with ClassCastException when using accumulate and additional constraint

[Luca Molteni (Jira)]

     [ https://issues.jboss.org/browse/DROOLS-4658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luca Molteni updated DROOLS-4658:
---------------------------------
    Sprint: 2019 Week 41-43 (from Okt 7)


> Executable model compilation fails with ClassCastException when using accumulate and additional constraint
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: DROOLS-4658
>                 URL: https://issues.jboss.org/browse/DROOLS-4658
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine, executable model
>    Affects Versions: 7.28.0.Final
>            Reporter: Martin Weiler
>            Assignee: Luca Molteni
>            Priority: Major
>              Labels: support
>
> A rule containing the following constraint:
> {noformat}
>   when
>   $customer : Customer( code == "RHT" )
>   $max1 : Number() from accumulate(
>     StockTick( company == $customer.code
>     , $time : dueDate);
>     max($time.getTime().getTime()))
> {noformat}
> fails with a ClassCastException when building with the executable model:
> {noformat}
> java.lang.ClassCastException: com.github.javaparser.ast.expr.NameExpr cannot be cast to com.github.javaparser.ast.expr.LambdaExpr
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$composeTwoBindings$4(AccumulateVisitorPatternDSL.java:67)
> 	at java.util.Optional.ifPresent(Optional.java:159)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.composeTwoBindings(AccumulateVisitorPatternDSL.java:64)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$null$1(AccumulateVisitorPatternDSL.java:53)
> 	at java.util.Optional.ifPresent(Optional.java:159)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$processNewBinding$3(AccumulateVisitorPatternDSL.java:53)
> 	at java.util.Optional.ifPresent(Optional.java:159)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.processNewBinding(AccumulateVisitorPatternDSL.java:44)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitor.classicAccumulate(AccumulateVisitor.java:129)
> 	at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitor.visit(AccumulateVisitor.java:107)
> 	at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:122)
> 	at org.drools.compiler.lang.descr.PatternDescr.accept(PatternDescr.java:272)
> 	at org.drools.modelcompiler.builder.generator.visitor.AndVisitor.visit(AndVisitor.java:29)
> 	at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:69)
> 	at org.drools.modelcompiler.builder.generator.ModelGenerator.processRule(ModelGenerator.java:176)
> 	at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel(ModelGenerator.java:156)
> 	at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages(ModelBuilderImpl.java:176)
> 	at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules(ModelBuilderImpl.java:121)
> 	at org.drools.modelcompiler.builder.ModelBuilderImpl.buildPackages(ModelBuilderImpl.java:71)
> 	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:108)
> {noformat}



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