Re: [rules-users] Shadow fax
On 24 May 2013, at 08:51, ronan.quintin <ronan.quintin(a)gmail.com> wrote:
Hello,
First of all i have to appologise for this horrible joke, but i think you
understand that i'm interrested in shadow facts.
I read that theses lazy facts proxy were introduced in Drools 4 in order to
make the rule engine/working memory consistent. I have some questions about
the general implentation of shadow facts in drools 5.4 :
They did exist in 4, we
had a similar engine to Jess then.
http://blog.athico.com/2008/02/shadow-facts-what-you-always-wanted-to.html
They are no longer needed in 5, due to changes in our rete algorithm. See Assymetrical
Rete algorithm:
http://blog.athico.com/2008/07/drools-50-m1-new-and-noteworthy.html
http://blog.athico.com/2008/10/symmetrical-and-asymmetrical-rete.html
http://blog.athico.com/2010/01/rete-and-true-modify.html
- Did the shadow facts been implemented since version 4, or was it
earlyier?
- Are the shadow facts still implemented in drools 5.4 final?
- How the mapping between the fact fields and the proxy fields is
implemented ? By this i want to know all fields are copy when the fact is
insert into the session.
- Is there the possibility to disable shadow facts ?
Don't need to, they are
gone.
You have to know that we get the knowledgeBase through a knowledgeAgent
which
Thank you.
--
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