I am trying to use drools to evaluate the following rule:
Given a telephone number, if the telephone number already exists in database
and has a balance > 0, set isAllowed = false. I cannot figure out how to
write the rule.
This is my object
public class Customer implements Serializable {
private static final long serialVersionUID = 1L;
private String tn;
private Double balance;
private Boolean isAllowed;
// getters/ setters
}
Can anyone help me with the rule below? The TN is set in the input fact. Is
the query below correct? It looks incorrect.
global org.hibernate.Session hibernateSession;
when
cust1:Customer()
cust2:Customer() from hibernateSession.createQuery("Select * from
Customers Where TN = :tn and balance >
0).setProperties({"tn":cust1.getTn()})list()
then
cust1.setIsAllowed(false);
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