[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1027) unable to use moderately complicated expression in from

[Mark Proctor (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1027?page=all ]

Mark Proctor closed JBRULES-1027.
---------------------------------

    Resolution: Cannot Reproduce Bug

This does not fail with trunk, unit test was added anyway.

> unable to use moderately complicated expression in from
> -------------------------------------------------------
>
>                 Key: JBRULES-1027
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1027
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Drl Parser/Builder
>    Affects Versions:  4.0.0.GA
>            Reporter: Michael Neale
>         Assigned To: Edson Tirelli
>            Priority: Critical
>             Fix For: 4.0.1
>
>
> Try the following fairly simple example, and an error will ensue: 
> package sample;
> import Query;
> import Results;
> import Storage;
> rule "Verify_1"
>     when
>         content : Storage()
>         results : Results( ) from content.search(new Query("test","field"))
>     then
>         System.out.println( results ); 
> end
> ============================================================================
> /**
>  * 
>  */
> public class Query {
>     public Query(String pattern, String column) {
>     }
> }
> ============================================================================
> /**
>  * 
>  */
> public class Results {
>     public int getResultsCount() {
>         return 1;
>     }
> }
> ============================================================================
> /**
>  * 
>  */
> public class Storage {
>     public Results search(Query query) {
>         return new Results();
>     }
> }
> ============================================================================
> public class HelloWorldExample {
>     public static final void main(final String[] args) throws Exception {
>         BasicConfigurator.configure();
>         Logger.getRootLogger().setLevel(Level.DEBUG);
>         DrlParser parser = new DrlParser();
>         final Reader source = new FileReader("sample.drl");
>         PackageDescr descr = parser.parse(source);
>         source.close();
>         PackageBuilder builder = new PackageBuilder();
>         builder.addPackage(descr);
>         Package pkg = builder.getPackage();
>         pkg.checkValidity();
>     }
> }

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