Hi everyone,
this shouldn't really be a matter of patterns but that's it, here it is anyway...
Basically I have the following users hierarchy:
pubilc class User{
String username;
String passwd;
//...other attributes common to all the types
}
public class Customer extends User{
...
}
public class Guest extends User{
...
}
Persisted with OJB.
the point is that i'm trying to build an EJB to give an as much unified as possible
interface to these VOs; the problem is that until now I didn't come up with anything
that satisfies me.
I don't know if it's better to add an attribute like User.type, so that I can handle
the subclasses in a sort of facade.
The point is that at least with the getters I am forced to have
getUser()
getCustomer()
getGuest()
since they must return the proper type.
I guess this is a common issue, so, any idea?!
thanks all,
villo
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