[rules-users] Can I capture the result of an RMI call within a pattern?
lhorton
LHorton at ABCLegal.com
Thu Mar 22 12:25:10 EDT 2012
5.2.0.Final
consider this simplified example, which has RMI calls to a service to
getLocation()
rule "example"
when
$p : Product( location != remoteService.getLocation("A") )
then
$p.setLocation( remoteService.getLocation("A") );
end
the above rule calls the remote method twice, once in the LHS to compare to
a current value, and again in the RHS to set the value. I would like to
capture the return value of the LHS call, to avoid making the call twice. I
haven't been able to figure out the syntax to do this within the pattern.
Here's one example of what I have tried:
rule "example"
when
$p : Product( location != $loc : remoteService.getLocation("A") )
then
$p.setLocation( $loc );
end
Does anyone know the correct syntax to accomplish this? Or am I trying to
do the impossible?
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