java Programming Glossary: onetoone

http://stackoverflow.com/questions/1444227/making-a-onetoone-relation-lazy

a OneToOne relation lazy In this application we are developing we noticed.. that the problem was caused by the deep hierarchy of OneToOne and ManyToOne relations between entity classes. So I thought.. lazy that should solve the problem. But annotating either @OneToOne fetch FetchType.LAZY or @ManyToOne fetch FetchType.LAZY doesn't..

What is the “owning side” in an ORM mapping?

http://stackoverflow.com/questions/2749689/what-is-the-owning-side-in-an-orm-mapping

the following text is an excerpt from the description of @OneToOne in Java EE 6 documentation. You can see the concept owning side.. the non owning side must use the mappedBy element of the OneToOne annotation to specify the relationship field or property of..

Hibernate noob fetch join problem

http://stackoverflow.com/questions/2931936/hibernate-noob-fetch-join-problem

instance of Test3. In other words I have a unidirectional OneToOne association with test2 having a reference to test3. When I select.. name max_fetch_depth 2 property Test2 public class Test2 @OneToOne cascade CascadeType.ALL fetch FetchType.EAGER @JoinColumn name.. of desperation even though it defaults to EAGER anyway for OneToOne mappings but it made no difference. Thanks for any help Edit..

JPA: difference between @JoinColumn and @PrimaryKeyJoinColumn?

http://stackoverflow.com/questions/3417097/jpa-difference-between-joincolumn-and-primarykeyjoincolumn

in the JPA 2.0 specification JPA 1.0 doesn't allow Id on a OneToOne or ManyToOne . With JPA 1.0 you'd have to use PrimaryKeyJoinColumn.. You can obtain a similar result but using an Id on OneToOne or ManyToOne is much simpler and is the preferred way to map.. secondary table to a primary table and it may be used in a OneToOne mapping in which the primary key of the referencing entity is..

JPA Hibernate One-to-One relationship

http://stackoverflow.com/questions/787698/jpa-hibernate-one-to-one-relationship

the problem @Entity public class Person @Id public int id @OneToOne public OtherInfo otherInfo rest of attributes ... Person has.. with OtherInfo @Entity public class OtherInfo @Id @OneToOne mappedBy otherInfo public Person person rest of attributes ..... this question JPA doesn't allow the @Id annotation on a OneToOne or ManyToOne mapping. What you are trying to do is one to one..