OneToOne « Association « JPA Q&A

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1. Custom OneToOne Hibernate/JPA Association    stackoverflow.com

I have a database that can have different types of relatinships based upon what data was updated during the last business transaction. An example would be in a policy writing ...

2. Secondarytables or OnetoOne associations?    stackoverflow.com

Considering the following "model": 

USER
    Long: PK
    String: firstName
    String: lastName

USER_EXT
    Long: PK
    String: moreInfo
   ...

3. Confusion over the Hibernate Bi-Direction OneToOne Association    coderanch.com

Hi, I've just been reading Cameron McKenzie's Hibernate Made Easy (a great read, and hugely more entertaining than the very dry 'Hibernate in Action' book) but have hit a point of confusion that I'm hoping someone here could assist me with. When Cameron describes the uni-directional 1-to-1 mapping, I'm completely 'with' everything that is going on... The Exam class has-a ExamDetail ...

4. Overiding onetoone association    forum.hibernate.org

Hi, I have a parent class @MappedSuperclass public abstract class UserAssociated extends Persistant { @OneToOne(optional = false, cascade = CascadeType.ALL) @JoinColumn(name = "fk_user") private User user; .. } like this however in the child class, I need to over ride the defiantion @OneToOne(optional = false, cascade = CascadeType.ALL) to @ManyToOne(optional = false, cascade = CascadeType.ALL) is this possible.. I see similar ...

5. Auto saving OnetoOne association with annotations    forum.hibernate.org

@Entity @Table(name="TM_CUST") public class Member{ @GenericGenerator(name="generator", strategy="increment") @Id @GeneratedValue(generator="generator") @Column(name="CUSTNO") private int no; @OneToOne(mappedBy="member", cascade = CascadeType.ALL, fetch = FetchType.LAZY) ...