relationship « Association « JPA Q&A





1. association classes and many to many self-relationships    forum.hibernate.org

Newbie Joined: Wed Mar 07, 2007 5:37 pm Posts: 2 Hibernate version: 3.2 Hello, I am trying to solve a O/R mapping problem with a many-to-many relationship between the same table using an association class with Hibernate (of course). So here goes: I have a generic class called a component. By my definition, a component can map to any other component. ...

2. Aggregation(Owned Relationship) Vs Association(Referenced)    forum.hibernate.org

Hi all, I couldn't find any answers any where in the web so I decided to ask help here. All veterans please feel free to post your opitions. I am at a dillema to choose between aggregation and association. Either way is going to work fine however, If I use aggregation, it will be much easier since all data is going ...

3. One to One relationship association always null    forum.hibernate.org

I have been debugging Hibernate logs to see if anything obvious comes out Code: =[DEBUG] 12:57:32 SQL - select user0_.ID as ID8_0_, registrati1_.ID as ID6_1_, user0_.OBJ_VERSION as OBJ2_8_0_, user0_.FIRSTNAME as FIRSTNAME8_0_, user0_.LASTNAME as LASTNAME8_0_, user0_.USERNAME as USERNAME8_0_, user0_.PASSWORD as PASSWORD8_0_, user0_.ENABLED as ENABLED8_0_, user0_.EMAIL as EMAIL8_0_, user0_.CREATED as CREATED8_0_, registrati1_.OBJ_VERSION as OBJ2_6_1_, registrati1_.URL as URL6_1_, registrati1_.CREATED as CREATED6_1_, registrati1_.USER_ID as USER5_6_1_, ...

4. The many-to-many association when we have a relationship tab    forum.hibernate.org

Author Message ramanurs Post subject: The many-to-many association when we have a relationship tab Posted: Fri Jul 10, 2009 10:59 am Newbie Joined: Fri Jul 10, 2009 10:19 am Posts: 2 Location: Bangalore Hi - I am currently working on a project where i have used hibernate annotations, when i deploy it tomcat and run I am getting below ...