nest « Composite « JPA Q&A

1. mapping of composite nested key stackoverflow.com

I am working with legacy database with nhibernate (but assume the solution will be very similar as in hibernate) and we have nested composite keys, what I mean is following, our ...

2. Is Hibernate a joke when it comes to certain mappings? (nested composite primary key classes using JPA 2.0 @IdClass) stackoverflow.com

I've recently asked this here: JPA (Hibernate, EclipseLink) mapping: why doesn't this code work (chain of 2 relationships using JPA 2.0, @EmbeddedId composite PK-FK)? Now I created the equivalent @IdClass code instead ...

3. composite-element and a nested array? forum.hibernate.org

4. nested-composite-element problem forum.hibernate.org

Hi, I would like to model a contract, with a revisable archived state (ie one or more state per contract). Each state itself may relate to one or more future financial operations. A state without its contract, as a future financial operation without its related state, means nothing. So the composition appears to be a good choice. The following mapping is ...

5. Why must specify the class in forum.hibernate.org

6. Cascading Nested collection with composite key forum.hibernate.org

In our legacy schema, we have a two level master slave association with composite primary key layered as follows: Dept: id (generated by sequence) Div: (dept_id, div_id): div_id is a list index Unit: (dept_id, div_id, unit_id) unit_id is again a list index My first impulse is to model this association as a nested collection of components, but since the composite-element does ...

7. nested-composite-element mapping forum.hibernate.org

Hello, i need help for nested-composite-element mapping. this i want to do: I have class A with set of class B elements, and B have C element. For each class i have one table in database. When B class have only simple properies (string, id...) it work ok, but when B have C like proprty, doo i need use nested-composite-element tag? ...

8. Newbie Question: Nest many-to-one inside composite-element? forum.hibernate.org

Hi All, I have a newbie question. I have an Order class, which contains a set of OrderItems. I am persisting the OrderItems as a set of composite-elements, stored in a table called ORDER_ITEM. Each OrderItem has a relationship to an Item object. Can I nest within each orderItem a unique many-to-one relationship with an Item entity? In order words, I ...

9. Nested Composite Primary/Foreign Keys forum.hibernate.org

public class Fourt{ @ManyToOne @JoinColumns({@JoinColumn(name="THIRD_ID", referencedColumnName = "THIRD_ID"), @JoinColumn(name="SECOND_ID", referencedColumnName = "SECOND_ID"), @JoinColumn(name="FIRST_ID", referencedColumnName = "FIRST_ID") }) private Third third; } public class Third{ @EmbeddedId private ThirdPk ...

10. Set - nested Composite element - key issue forum.hibernate.org

Author Message hariharakarthi Post subject: Set - nested Composite element - key issue Posted: Mon Jun 01, 2009 12:11 pm Newbie Joined: Fri May 22, 2009 11:14 am Posts: 3 Hi, I trying to join two tables. The table and its details are as follows, TANNUAL_STMT_LINE --- A TRESERVE_FACTOR -- B Trying to add table B (TRESERVE_FACTOR) as collection ...