cache « Relationship « JPA Q&A





1. Hibernate L2 Caching and Many-To-Many relationships    stackoverflow.com

I've got a pair of Hibernate entities, A and B, that are related via a bidirectional many-to-many relationship, as described here - ie, each entity has a bag referencing ...

2. No entry in second level cache for one-to-one relationships    forum.hibernate.org

Hi, I looked a little more into the Hibernate code and this is what I have found so far: 1- The following is valid for a load of an object from class A that does not have objects of class B (the collection or set in this case) nor of class C (mapped by a one-to-one relationship). 2- When Hibernate is ...

3. Relationship (one to many) cache in jpa 2.0 with hibernate    forum.hibernate.org

I am using JPA 2.0 with hibernate, and my cache provider is EHCache. I am facing problem while caching a entity "A" which has one to many relationship with another entity "B" . Whenever i fetch entity "A" through find by id call, it fetches the entity "A" from cache, but for the one to many association alone ,it fetches from ...

4. Disappearing Relationship ... cache related?    forum.hibernate.org

I have the following relationship: Code: Item *-- Category the item table has a foreign key category_id. In the java, Item has a field category, and Category has a SortedSet field items. Here are the relevant mappings: Code:

5. Collection cache and bi-directional relationships    forum.hibernate.org

Hibernate 3.0.5. Suppose I have an entity, with a one-to-many relationship to another entity -- the usual parent-child relationship. Parent has a Set, mapped like this: Code: ... ...

6. one-to-one relationship always drops "was already cache    forum.hibernate.org

I've enabled second level cache using EHCache on Hibernate 3.1rc2. My testcase shows that if a one-on-one relationship is built using the alternate way (with a many-to-one property-ref on one side and one-to-one unique on the other), Hibernate always tries to load the referred object from the database first, and discovers that the object was already cached right after. Both test ...

7. relationship between second level cache and filters    forum.hibernate.org

Debug level Hibernate log excerpt: 19 Jan 2006 17:18:32,488 DEBUG event.def.DefaultInitializeCollectionEventListener - initializing collection [com.sony.spe.ifds.domain.CodeMaster.codeDetails#1003309] 19 Jan 2006 17:18:32,488 DEBUG event.def.DefaultInitializeCollectionEventListener - checking second-level cache 19 Jan 2006 17:18:32,488 DEBUG event.def.DefaultInitializeCollectionEventListener - disregarding cached version (if any) of collection due to enabled filters 19 Jan 2006 17:18:32,488 DEBUG event.def.DefaultInitializeCollectionEventListener - collection not cached

8. Hib. not using 2nd level cache with 1:1 relationships    forum.hibernate.org

Hi everyone! I experience very strange behaviour in Hibernate when using 1:1 relationsships with enabled query cache. Hibernate goes to database for the associated 1:1 children event though it has saved them in its cache! First the mappings: Code: ...