update « Relationship « JPA Q&A

1. Update join table in many-to-many relationship using hibernate    stackoverflow.com

When I update the user, hibernate delete the relations in the join table. How can I avoid this? Please see my resent post on how to insert many-to-many relationships for a ...

2. I don't update both sides of a JPA relationship, but it works. Ok?    stackoverflow.com

These are my entities

@Entity
public class User {

    @ManyToMany(mappedBy="admins")
    private Set<Game> adminForGames = new HashSet<Game>();

@Entity
public class Game {

    @ManyToMany
    @JoinTable(
 ...

3. not able to update many-to-many relationship    forum.hibernate.org

public class Article implements Serializable, Auditable { ...... private int id = 0; private String keyword = null; private int count = 0; private Timestamp creationDate = new Timestamp(new Date().getTime()); private List

4. update a table generated by many to many relationship    forum.hibernate.org

I have two tables Owner and Telephone linked by a many-to-many relationship with a table owner_telephone. I have users rows populated in table Owner, I have telephones populated in table Telephone. I want to make the connection between tables using the owner_telephone table. I use the following code: ownerBean=(Owner)session.get(Owner.class, owner_id); telBean=(Telefon)session.get(Telefon.class, tel_id); ownerBean.getOwnerTelefon().add(telBean); telBean.getOwners().add(ownerBean); session.update(ownerBean); session.update(telBean); session.flush(); The problem is that ...

5. bidirection updates in 1-m or m-m relationship    forum.hibernate.org

6. Problem with updating the set. Many to many relationship.    forum.hibernate.org

Hi. I have many-to-many relationship. Code: class A { Set bs } class B { } bs_tab is table( a_id, b_id, primary key(a_id, b_id) ...

7. Many to Many relationship update getting fired    forum.hibernate.org

Hi, I got this problem I got this many-to-many relation between two beans. Agent and Location with the third table being created "agent_link". The problem is there are already location defined in Location table. Whenever I create a new agent an update statement is fired on the Location table which I don't want. How can I solve this problem. My mapping ...

8. update problem with many-to-many relationship    forum.hibernate.org

I have a class representing product categories and then the class that represents the product. The category and product has a many-to-many association. Here is my mapping for the product category class. This is not a bidrectional relationship so my product does not have a property to store the category references it belongs to. Might this be a problem? Code:

9. one-to-one relationship not updating foreign key    forum.hibernate.org

Event e = new Event(); e.setStart( new Date() ); RepeatEvent ed = new RepeatEventDaily(); ed.setCount(365); ...

10. update many-to-many relationship    forum.hibernate.org

It is many-to-many associations like country, language situation. Say presently in a country five languages are spoken. So Country POJO contains the list of Language POJO. Now suppose another language is being spoken, so I add another element in the list for the country POJO to have six elements in the Language POJO. This language was existing in the language table. ...

11. how to update or remove a many-to-many relationship?    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version:3.0 Mapping documents:

12. updating join table in many-to-many relationships    forum.hibernate.org

Hi, I have a many-to-many relationship between playlist and movie, through a join table playlist_movie. If want to create a new playlist from existing movies, do I need to create a new class PlaylistMovies along with a new hbm table playlistMove.hbm.xml? This class allows me to updated the join table directly without affecting movies. Is this necessary or is there a ...

13. Updating a Join-Table (many-to-many) relationship    forum.hibernate.org

Regular Joined: Mon Mar 06, 2006 6:18 am Posts: 95 Location: Bern, Switzerland Hi all Hibernate version: 3.1.3 Mapping documents: Benutzer.hbm.xml Code: ...

14. update many-to-many relationship manually    forum.hibernate.org

Hello, I would like to update a n:m relationship only when I say so. I have 3 tables user, userrole, role so every user can own several roles. The problem is, that every time I update the user all connections of the user within userrole will be deleted and than reinserted. Is there a way with inverse="false" and cascade="none" to call ...