I have got a question about primarykey-mapping.
Having two tables:
t_customer
---------------
int | customer_id (PK)
varchar | firstname
varchar | lastname
t_friendship
---------------
int | customer_id (PK)
int | friend_customer_id (PK)
date | created
Is it possible to map this two tables to the following class-structure using
annotations ?
class Customer
{
public Long getId() {...}
public String getFirstname() {...}
public String getLastname() {...}
}
class Friendship
{
public Customer getCustomer() {...}
public Customer getFriend() {...}
public Date getCreated() {...}
}
The "Customer"-class is not the problem, but I am simply unable to declare
"getCustomer() & getFriend()" as compound primary-key of class "Friendship".
Any help would be appreciated
Regards
Jan
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