Hi Yong,
   Have you tried with retract the fact after your operation done. Like as follows

package sample

rule "rule 1"
when 
  $o:Order (amount>100 and amount<200);
 then 
$o.setPrice($o.getPrice()-10);
        retract($o);
end

rule "rule 2"
when 
  $o:Order (amount>200);
 then 

$o.setPrice($o.getPrice()-20);
        retract($o);
end


Thanks,
Subhas


2011/3/18 yong zhao <cluncao@yahoo.com.cn>
Hi

I just try to uses jboss rules in our projects. I met a question. for example

package sample

rule "rule 1"
when 
  $o:Order (amount>100 and amount<200);
 then 
$o.setPrice($o.getPrice()-10);
end

rule "rule 2"
when 
  $o:Order (amount>200);
 then 
$o.setPrice($o.getPrice()-20);
end

if the fact , order's amount is 210. then the rule2 will be executed, then the rule1 will be fired . I want to stop the session once some rule is executed or how to control the rule flow. 
thanks in advance

-Yong




 

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