In this scenario I do have typical Order and Items data structure. I want to
implement various business rules where I want to check both Order attributes
and Item attributes together.
Order [ Date, Discount, Amount, Customer, Type, Items]
Item [ Quantity, Rate, ExpiresDate, Grade ]
I am trying to implements following rules but all gives me syntax error. I
wondering if someone can help me in.
rule “one”
when
Order ( $discount : Discount, $items : Items)
Item ($discount > 10 && Grade > 3) from $items
then
System.err.print(“Discount is not allowed with items having grade 3 or
higher)
end
rule “two”
when
Order ( $discount : Discount, $items : Items)
Item ($discount > 20 || Quantity < 5 ) from $items
then
//do some thinge
end
--
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