Yes drools 4 very much supports nested object structures. you can insert the root object in the WM and use 'from' in your rules to access the nested objects.

sudhir.

On Tue, Feb 3, 2009 at 2:52 AM, Ashish Soni <learnspring@gmail.com> wrote:

Hi All ,

I have a Object which contains "n" number or different object basically a graph of object , Now if i have a rules on nested object do i need to insert each object separately for rule execution or is there a way drools engine can recognize the object graph and fire rules to corresponding objects.

Regards,
Ashish

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