[rules-users] ReteOO, KnowledgeBase and KnowledgeSession relation

Mark Proctor mproctor at codehaus.org
Tue Jan 28 20:02:22 EST 2014


On 29 Jan 2014, at 00:50, Harpreet Singh <harpreet2301 at yahoo.com> wrote:

> Hi,
> 
> I understand that the ReteOO network is built when a KnowledgeBase is created. Can you please tell me:
> - if any modifications are made to this network after a session (say StatefulKnowledgeSession) has been created from this KnowledgeBase?
Not unless you add or remove rules.
> - any optimizations made at the session level? (such that time taken to fire rules decreases when certain set of facts are re-inserted and rules re-executed)
no, not if you have to re-insert all data.
> 
> I could not find any explanation in Drools Expert documentation regarding the above two points. Any pointers explaining the relation between ReteOO, KnowledgeBase and KnowledgeSession will be helpful.
> 
> Thanks. 
>  
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