Annotation « Association « JPA Q&A





1. hibernate @DiscriminatorValue does not apply to associations    stackoverflow.com

I have the following inheritance hierarchy.

@Entity
@Table(FRUIT)
@Inheritance(strategy=InheritanceType.SINGLE_TABLE)
@DiscriminatorColum(name="FRUIT_TYPE",discriminatorType=STRING)
public class Fruit {
..
@Id
private FruitId id;
...
}

@DiscriminatorValue("APPLE")
public class Apple extends Fruit {
...
@ManyToOne
private FruitBowl bowl; //this association is only present in the subclass

...
}

class FruitBowl .. {
...
   ...

2. Hibernate - Annotations - many to many association    coderanch.com

Hello, I am using Spring,Hibernate Annotations based approach. I have two entities. Product and Retailer which have a many to many association. A product can belong to MANY retailers A retailer can have MANY products So I have a join table retailer_product which has the following columns productId - referring to Product Table (id) retailerId - referring to Retailer Table (id) ...

3. Please help me finda book to have the fundamentals of associations and HQL/annotations clarified    coderanch.com

Hi, i have just started using hibernate. While i a being able to perform some tasks i find that there are several things that are not clear to me.(Blame it on my poor reception). i am finding this transition to hibernate rather complicated. i am sure there are books/tutorials that would help me in this regard. It would be great if ...

4. Multiple associations on single column with annotations    forum.hibernate.org

Hi, I have 3 tables say table A {id,..}, table B{Aid,..}, table C{Aid,..} Aid in table b and c foreign key references to table A primary key id. 1. A have one-to-one relation with B on Aid. 2. A have one-to-many association with C on Aid. I need to define the POJO's using annotations public class A { @Id @GeneratedValue(strategy = ...

5. error Association references unmapped class w/ annotation    forum.hibernate.org

Newbie Joined: Wed Feb 01, 2006 4:05 pm Posts: 2 Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: hibernate-annotations-3.1beta7 I am using Hibernate inside JBoss 4. I am trying to migrate to annotations from xdoclet mappings generating .hbm files. Some of the classes are in .hbm format while others are in annotation format. However, I get MappingException: Association references unmapped class ...

6. Zero or many association with annotations    forum.hibernate.org

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