[rules-users] Drools and JBoss Seam proxies

[Tihomir Surdilovic]

When you request components from Seam container, Seam wires those 
objects with interceptors completely wrapping it into a proxy. So yes, 
what you get is a proxy which has a different class signature than what 
the import statements define in your DRL. However since Seam uses Cglib 
to create these proxies, they end up being subclasses of the concrete 
class, and you should be able to simply cast them back before inserting 
into the WM.

Hope this helps.

Thanks.
Tihomir

On 2/27/11 2:52 AM, sherlock wrote:
> Hi,
>
> a newbie question.
>
> I am asserting references to JBoss Seam beans (SFSB) as Drools facts and
> it looks that the rule engine does not recognize them as instances of
> the original bean POJO class - it looks that it sees the JBoss Seam proxies.
>
> When I use an intermediate non-Seam enabled wrapper POJO class which
> wraps the Seam bean everything works, but now there will be an
> additional need to maintain set of wrapper classes and in addition DRL
> conditions code is cluttered with statements to access the JBoss Seam
> beans...
>
> Surely I am missing something, but I cannot find out so far. Googling
> didn't seem to find anything helpful.
>
> The environment is: Seam 2.2.0.GA, Drools 5.1.1
>
> Thank you in advance!
>
> sherlock
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