[jboss-jira] [JBoss JIRA] (DROOLS-4620) Executable model compilation fails with 'inference variable A has incompatible bounds' when using accumulate

[Martin Weiler (Jira)]

Martin Weiler created DROOLS-4620:
-------------------------------------

             Summary: Executable model compilation fails with 'inference variable A has incompatible bounds' when using accumulate
                 Key: DROOLS-4620
                 URL: https://issues.jboss.org/browse/DROOLS-4620
             Project: Drools
          Issue Type: Bug
          Components: core engine, executable model
    Affects Versions: 7.27.0.Final
            Reporter: Martin Weiler
            Assignee: Mario Fusco


A rule containing the following accumulate constraint:

{noformat}
  when
  $max1 : Number() from accumulate(
    StockTick($time : dueDate);
    max($time.getTime().getTime()))

// object model:
public class StockTick {
...
    public Calendar getDueDate() {
        return dueDate;
    }
{noformat}

fails to compile:

{noformat}
  reason: varargs mismatch; inference variable A has incompatible bounds
      equality constraints: java.lang.Long
      lower bounds: java.util.Date], Message [id=3, level=ERROR, path=src/main/java/defaultpkg/RulesE50E409E17279CAE524E8EC1D671D39BRuleMethods0.java, line=0, column=0
{noformat}




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