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1. Composite primary key with not primitive attributes    stackoverflow.com

I am new to Java and Hibernate. I've got problem with composite key. I am trying to do something like that: 

@Entity
class A {
    @Id
    int ...

2. composite-id error - insert/update attribute on column tag?    forum.hibernate.org

Newbie Joined: Mon Mar 08, 2004 2:24 pm Posts: 13 Location: Tampa, FL, USA I have a class that contains a component with 3 attributes. One of the attributes is used as part of a composite-id in a many-to-one relationship with another class. When trying to update the the class, I get the following exception: Code: net.sf.hibernate.MappingException: Repeated column in mapping ...

3. HQL Query needed for composite relationship attribute    forum.hibernate.org

Hello all, I have an interesting problem. Problem Overview: I am writing a project management system, central to this system is the work breakdown structure (wbs). I assign resources (person objects) to the WBS object via a list (resources). Unfortunatley the relationship has two unique attributes hours ( the hours the resource is estimated to need) and percent ( the percent ...

4. composite attribute maps to a different table.    forum.hibernate.org

public class Order { private String orderId; private String detail; private Item item; } public class Item { private String itemId; private String itemName; } =============== Each class maps to a different database table. session.save(order) would saves orderId and detail into the order table but information in item property would be saved into item table. order = session.load(Order.class, "123"); would load ...

5. Multiple Composite attributes in one embedded class fails    forum.hibernate.org

I also posted this thread in the Java Persistence (EntityManager and Annotations), Hibernate Search and Hibernate Validator forum: Hello, I'm currently refactoring my application to work with annotations but am encountering a problem when I have a class with 2 composite attributes in an embedded class: Code: @javax.persistence.Embeddable @javax.persistence.MappedSuperclass public class ArticleLocalization implements ...

6. discoveribg the attributes of a composite identifier    forum.hibernate.org

Newbie Joined: Mon Feb 12, 2007 1:01 pm Posts: 2 Need help with Hibernate? Read this first: Hello: I have been tasked with pulling the data out of a staging database and saving it in XML. For import into another database. The most convenient way to do this is via views, because there are several complex joins to be handled and ...

7. how: many-to-many with composite key attribute    forum.hibernate.org

Hello guys i understand and i did without problem a relation many-to-many between 2 classes but when each has one varibale how pk/id like http://www.hibernate.org/hib_docs/v3...ional-join-m2m Code: ...