[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1065) Unable to return Declaration for identifier

[Michael Neale (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBRULES-1065?page=comments#action_12373252 ] 
            
Michael Neale commented on JBRULES-1065:
----------------------------------------

This isn't a bug per se - this was not implemented this way.

You can do:

$record : Record( abc == $record.xyz )

I can't see how abc = xyz would work - it would be very very ambiguous for non trivial usage. We could do a:

this.xyz - how does that sound? 

> Unable to return Declaration for identifier
> -------------------------------------------
>
>                 Key: JBRULES-1065
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1065
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Drl Parser/Builder
>    Affects Versions:  4.0.0.GA
>         Environment: Windows XP, Java 1.6
>            Reporter: Tong Lee
>         Assigned To: Edson Tirelli
>             Fix For: 4.0.1
>
>
> I've read in the 4.0 features list where implicit binding for value expressions will be available in the 4.0 release.  I've downloaded 4.0GA and still getting the compiler error.  We have a need for the following and wondering if I'm misunderstanding the functionality:
> Fact/bean object code:
> public class Record {
> private String abc;
> private String xyz;
> public String getAbc()...
> public String getXyz()...
> ...
> }
> DRL code:
> rule "..."
>   when
>     $record : Record ( abc == xyz)
>   then
>     ....
> end
> The PackageBuilder can not resolve the "xyz"
> I understand we can define the Record alias and then reference xyz using the alias (see example below) but it would be asking too much for our business users.
> rule "..."
>   when
>     r: Record ( )
>     $record : Record ( abc == r.xyz)
>   then
>     ....
> end
> Any feedback with this is greatly appreciated!!!

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