[rules-users] Agenda Groups basic question

[Edson Tirelli]

   You need to set the focus for an agenda group to execute.

   []s
   Edson

2009/11/2 Rongala, Kanthi <Kanthi.Rongala at mscibarra.com>

>  Hi,
>
>
>
> I am new to Drools and trying my hands out at Drools 5. I cann’t figure out
> how to use agenda- groups. I have a small drl file with two agenda groups
> and one rule per agenda-group. This doesn’t seem to work. However if I
> happen to comment out the agenda-group attribute, the results are as
> expected.
>
>
>
> Please let me know what I am missing.
>
>
>
> *package* com.mscibarra.examples.drools.controllers;
>
>
>
> *import* com.mscibarra.examples.drools.domainentities.*;
>
>
>
>
>
> *rule* "Detect and Remove Duplicate Shelves"
>
> *agenda-group* "Phase1"
>
> *lock-on-active*
>
> *dialect* "mvel"
>
> *when*
>
>       $universe : LibraryUniverse()
>
>       $shelf : Shelf() *from* $universe.shelves
>
>       $shelf2 : Shelf(*this* != $shelf) *from*$universe.shelves
>
> *then*
>
>       System.out.println("Duplicate Shelves found::"+$shelf);
>
>       // without the modify(), drools is not alerted about changes
>
>       // $universe.shelves.remove($shelf);
>
>       /*
>
>       *modify*($universe) {
>
>             shelves.remove($shelf);
>
>       };
>
>       */
>
>
>
> *end*
>
>
>
> *rule* "Singleton Shelf Detector"
>
> *agenda-group* "Phase1"
>
> *lock-on-active*
>
> *dialect* "mvel"
>
> *when*
>
>       $universe : LibraryUniverse(shelves.size > 1)
>
> *then*
>
>       System.out.println("Multiple Shelves found::"+$universe.shelves.size);
>
>
> *End*
>
>
>
>
>
>
>
> With Regards,
>
> Kanthi Swaroop Rongala
>
> * *
>
>
>
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-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss by Red Hat @ www.jboss.com
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