key « Association « JPA Q&A





1. Associations by key    forum.hibernate.org

Hi, I am currently using Hibernate for persistence in DAO objects. My question is : can Hibernate handle associations based on keys instead of a direct reference ? What I mean is this : normally aProduct.getCustomer() returns an associated customer, but in some cases associations are maintained solely via key objects. In that case, aProduct.getCustomerKey() returns the key object of type ...

2. Key generation of an association    forum.hibernate.org

I have a table tournament which is associated to a tournament_option table and I would like to insert the tournament and the tournament_option at the same time. So, I change the cascade attribute to save-update but the problem is that the tournament_option key is null when I'm trying to insert the tournament instance. May I insert the tournament_option before the tournament ...