[rules-users] Drools Salience and no-loop

[Wolfgang Laun]

All sessions are created from the same Knowledge Base?

What does "replicate" mean, exactly?

Do you see the same effect when all facts are inserted into one session?

What happens if you do call update in rule "sub 1"?

-W

On 9 March 2012 14:58, gboro54 <gboro54 at gmail.com> wrote:

> So I have setup my drools execution as follows:
>  1.A single thread is pooling Orders from the db and insert them into X
> number of sessions(10) running on separate threads(fireUntilHalt()).
>
>  2. I have a set up rules which need to execute first to allow other rules
> to fire so I have rules such as:
>      rule "main 1"
>          salience 1000
>          no-loop true
>          when
>               <some_conditions>
>           then
>               <modify order info>(update is invoked)
>     end
>
>   3. There is another set of rules which then check the Order for these
> preconditions along with others
>       rule "sub 1"
>          salience 100
>          no-loop true
>          when
>               <some_conditions>
>               <main 1 consequences present>
>           then
>               <modify order info>(no update invoked as other rules in the
> session don't care)
>     end
>
>   4. I then have a single rule which has a low salience and should be last
> rule to fire in the activation which retracts the Order and hands it to a
> service for post processsing
>       rule "END"
>          salience -100
>          no-loop true
>          when
>               ord:Order
>           then
>               retract(ord);
>               invokeService(ord);
>     end
>
>
> The problem I am having is that my END rule is being invoked on certain
> Orders in working memory before the other activation have taken any
> affect(I
> have verified this by send a replicated order 1000 times and each time a
> large majority his the service before anything was modified on the order).
>
> Am I missing something?
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Drools-Salience-and-no-loop-tp3812723p3812723.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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