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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