level « Association « JPA Q&A





1. Hibernate - second level association    stackoverflow.com

Let's say I have table foo, table bar, and table zoo. foo has a member bar and there is a one to one relationship between them. bar has a list and there is ...

2. Hibernate second level cache and associations    stackoverflow.com

My class Movie has @OneToOne relationship with Director and a @ManyToMany relationship with Actor. All these classes (Movie, Director and Actor) classes are cached in read-only mode, and so are the ...

3. Hibernate L2 Caching for many-to-one associations    stackoverflow.com

I am somewhat new to hibernate and am attempting to implement second level caching using ehCache. I am running into a problem when attempting to use the L2 cache to ...

5. second level cache and associations    forum.hibernate.org

I am trying to understand the behavior of associations when second level cache is enabled for an entity. I looked into documentation and it mostly talks about caching simple entities and I couldn't find an answer for my question. Our application uses lot of associations as you can see in the following simple case: Basically, my question is when I enable ...

6. Association and second level caching    forum.hibernate.org

I think it's a question of which logical layer the "fetch" plan relates to. As I understand it, "fetch" is mainly to tell Hibernate what SQL to generate when it goes to the database - not necessarily what plan to use when traversing the various caches. So when neither A nor B are cached, and you're doing fetch=join, it will pull ...

7. Using two-level filtering on 1:n associations with Criteria    forum.hibernate.org

I have the following scenario that I am trying to solve using Hibernate as the persistence provider, Hibernate Criteria API to build my queries. I have two classes called Order and Item with 1:n unidirectional association from Order->Item. Both are JPA/Hibernate entities and are mapped to ORDER and ITEM table in the database respectively. In my application, I have a search ...

8. Second-level caching for optional one-to-one association?    forum.hibernate.org

If a data model includes one-to-one relationships that are optional/nullable, what's the best way to represent those so that the second-level cache will do the right thing? For example, a Car may have zero or one Stereo, but a Stereo will always belong to a Car: Code: @Entity public class Car { ... ...