[rules-users] Drools, Grails, and default packages for domain objects

[CK]

If I understand you correctly, this is a Java runtime restriction.

Java classes in the default package can reference any class in a named  
package.  Other the other hand, classes in a named package cannot  
reference any class in a default package.  Classes in a default  
package can reference other classes in a default package.

Thus, the easiest way normally to deal with this problem is to either  
(1) put everything in a named package, including any grails classes/ 
domain objects/etc or (2) put everything in a default package.  I'd  
suggest that you go with option 1 because it'll give you fewer problems.

But I'm not sure if that's the question you're asking or if this helps  
you.  Hopefully, it does. :)


On Jan 20, 2009, at 6:00 AM, Costello, Robert wrote:

> I’m using the latest as of this date, which is 5.0.0M4
>
> Thanks!
>
> Robert Costello
> Lead Systems Engineer
> IMA Performance
> E3- 279A
> 847.286.0910
>
>
> -----Original Message-----
> From: rules-users-bounces at lists.jboss.org [mailto:rules-users-bounces at lists.jboss.org 
> ] On Behalf Of Edson Tirelli
> Sent: Monday, January 19, 2009 3:59 PM
> To: Rules Users List
> Subject: Re: [rules-users] Drools, Grails,and default packages for  
> domain objects
>
>
>    Robert,
>
>    What version of Drools are you using?
>    I remember seeing something about this in the past... I will  
> search JIRAs to see if we have any ticket open for 5.0.
>
>    []s
>    Edson
> 2009/1/19 Costello, Robert <rcost10 at searshc.com>
> Has anyone else run into issues trying to reference objects in a  
> default package?  I'm trying to use Drools with Grails and my rule  
> which compiled nicely in a package setting has issues when faced  
> with a default package.
>
>
> The error is "foo" cannot be resolved to a type
>
>
> I've tried putting the rule both in the default package and putting  
> it in a named package, and neither seem to work.   If I put my  
> objects back into packages, everything is fine.
>
>
> Any  advice?
>
>
> Thanks,
>
>
> Robert Costello
>
>
>
>
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>
>
>
> -- 
>  Edson Tirelli
>  JBoss Drools Core Development
>  JBoss, a division of Red Hat @ www.jboss.com
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