[rules-users] Help on using Drools with embedded objects

[Divya Rajendranath]

Hi,

I am planning to use Drools - JBoss Rules Engine. My requirement is to
disburse mails from my application to different groups based on various
criteria. I want to use Drools here.

My object structure is as follows:

class A{

String B = "";

B b;

C c;
}

Hence Obj A has embedded objects within it, and obj B and C further has
embedded objects.

class B {

String X;

Z z;

}

class Z{

String t;

String s;

}

The decision on sending the mails based on the fields in embedded objects of
A. I pass instance of A to Drools

Format of drl file:

package...;

import ..;

rule "Test"

when $a:A(B(Z(s == "testvalue")))

then

$a.setSomething();

update($a);

end

I wanted to know if this (accessing fields in embedded/child object) is
feasible with Drools.

I get an error saying "UNable to compile myfile.drl when i try to fo this.

Could some one look into this issue and let me know the reason for this ?



Thanks

-D
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