collection 2 « Map « JPA Q&A





1. Mapping collections    forum.hibernate.org

Yes, GroupObjects is a join between Group and ObjectIds. Let me explain my problem more clearly. I want to access (set/get) objectIds based on ObjectType. group.setObjectIds(ObjectType, Collection) Collection group.getObjectIds(ObjectType) ObjectType is an enum If i have to adopt your solution then, to get the ObjectIds of a particular ObjectType, i have to iterate through the complete collection. Similarly if i want ...

2. Collection mapping is only return 1 result    forum.hibernate.org

Regular Joined: Tue May 12, 2009 6:08 am Posts: 92 HI, I was wondering if you can help me with a collection mapping problem. Right now, my collections are only returning one result. Does that sound like a common problem people run into? In both cases (hints and answers collections), there are 2 and 3 results. However, the query only gets ...

3. How to map two collections to the same table    forum.hibernate.org

hello, could someone tell me what is the proper way to map two lists (of the same object type), so that they use the same table, but one contains objects with certain field > 0 and the other list the ones with with this field == 0? I know I can use a mapping element ' where="arbitrary sql where condition"' , ...

4. issue with Collection mapping    forum.hibernate.org

Hi, I have a parent object Institute which have a collection of classes inside it. My mappings are Code: ...

5. Can collections be mapped inside a collection in hibernate?    forum.hibernate.org

Hi, Is it possible to map collections like map, arrays, list, set etc. inside a map? Why not? as Java language doesn't restict us to define such objects. for eg. a class A, having a Map each of whose elements have a list. class A{ Map } where Class B{ List Class C; } How is one supposed to ...