Hi All,

 

I am using Drools 3.0.6 and unable to perform some simple form of multiplication. I want to compare an object field with another field multiplied by a factor.

 

rule

"Calculate Business profit,1"
when

EMIAgainstProperty ( bp1 : businessProfit1 )
emi : EMIAgainstProperty ( businessProfit2 > (bp1*1.5) )

then
emi.setBusinessProfit((emi.getBusinessProfit1()+emi.getBusinessProfit2())/2);
end

I get an error on creation of the package that * is undefined for Double and double. I understand this is because Drools does an auto box on primitive type variables. But is there a work around to do simpler comparisons like this, especially on the right hand side of the condition. some thing like [ variable * constantValue ].

Also, i am forced to do a declaration for businessProfit1, and use in the comparison below. I am not able to compare two fields of the same object directly.

some thing like businessProfit2 > businessProfit1 does not work, why is this so? Any one has faced these problems earlier?

Thanks
Natraj