We have been using a custom rules engine successfully for our 1000+
rules for our student loans application, but these rules are decision
based types rules (if then else).
For assessing loan amounts for our student loan application, we have
over 400+ calculation formulas plus decision logic. These formulas are
mostly simple:
TotalEligilbleLoanAmount = Min(TotalNeed - TotalResource,
MaxAllowedAmount)
TotalNeed = Tuition + LivingAllowance + ChildCareExpenses
ChildCareExpenses = NumberOfChildren * PerChildAmount
TotalResource = EmploymentEarnings + Scholarships + Assets
(however there are 400+ formulas and the hierarchy gets up to 20 deep)
Is it possible to implement something like this in Drools? Will it be
maintainable and performant?
Thanks
Don
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