[rules-users] complex rule conditions
Hi,
I want to use some "complex" conditions on the lhs of a rule.
Following the example in the drools-expert docu:
Person( girlAge : age, sex = "F" )
Person( eval( age == girlAge + 2 ), sex = 'M' )
I have try the following rule:
rule "detect stop of cars"
when
p1:PositionReportEvent( $t1:time)
p2:PositionReportEvent( eval(time == $t1 + 30))
then
System.out.println("do something");
end
but it is never triggered.
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