Why not add your ArrayList items individually into WM?
rule "P1 110"
salience 1
activation-group "1"
when
PriorityType( pricetype == "10,20,30,40,110" )
t:TlbObjectAttributeData( lngAttrTypeId == 110 )
then
result.add(t);
end
Would this not give the same result and give you the indexing Mark has
commented upon?
Cheers,
Mike
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Harsh Jetly
Sent: 13 August 2008 10:03
To: rules-users(a)lists.jboss.org
Subject: [rules-users] Java code Vs Drools
I have been evaluating the rule engine (ie Drools 4.0.4). I have created
an
application which has about 20 rules . I insert about 500 arraylists
into
the working memory and each arraylist contains about 4 objects. The rule
engine picks the object that is the best match from the arraylist and
stores it .
This processing takes about 0.953 secs .
Now this very same scenario I have implemented in using java code (if
..else)...it takes about 0.016secs .
I was expecting the rule engine to give a better performance.
Considering
the use of alpha node caching and other factors of the rete algorithm.
This is how one of the rules look in the rule file :
rule "P1 110"
salience 1
activation-group "1"
when
PriorityType( pricetype == "10,20,30,40,110" )
list :ArrayList( )
t:TlbObjectAttributeData( lngAttrTypeId == 110 ) from list
then
result.add(t);
end
Am I doing something wrong or this application is not harnessing the
pluses
of the rule engine .
If so can you please tell me which kind of application should I build to
highlight the performance of a rule engine .
Appreciate it
Regards
Harsh Jetly
SOA
Center of Excellence
______________________________________________________________________
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users