[jboss-jira] [JBoss JIRA] (DROOLS-2509) Executable model isn't generated correctly for from clause in the form func(x)

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-2509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-2509.
---------------------------------
    Resolution: Done


Fixed by https://github.com/kiegroup/drools/commit/1b1e8efbb8f384f31e8a573dec058ecc7a0bef3d

> Executable model isn't generated correctly for from clause in the form func(x)
> ------------------------------------------------------------------------------
>
>                 Key: DROOLS-2509
>                 URL: https://issues.jboss.org/browse/DROOLS-2509
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>            Reporter: Mario Fusco
>            Assignee: Luca Molteni
>
> Executable model is generated correctly when the from clause is in the form x.func() but not when it is func( x ). See the reproducer below
> {code}
>     public static Integer getLength(String s) {
>         return s.length();
>     }
>     @Test
>     public void testFromExternalFunction() {
>         final String str =
>                 "import " + FromTest.class.getCanonicalName() + ";\n" +
>                 "global java.util.List list\n" +
>                 "\n" +
>                 "rule R when\n" +
>                 "  $s : String()\n" +
>                 "  $i : Integer( this > 10 ) from FromTest.getLength($s)\n" +
>                 "then\n" +
>                 "  list.add( \"received long message: \" + $s);\n" +
>                 "end\n";
>         KieSession ksession = getKieSession( str );
>         final List<String> list = new ArrayList<>();
>         ksession.setGlobal( "list", list );
>         ksession.insert("Hello World!");
>         ksession.fireAllRules();
>         Assertions.assertThat(list).containsExactlyInAnyOrder("received long message: Hello World!");
>     }
> {code}



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