Hibernate: Annotation one-to-many/many-to-one

Bidirectonal one-to-many/many-to-one association

Hibernate Doc (Chap 8.4.1)

::Relationship::
person(many) <-> address(one)
- person A and person B live in address AA

::DB Schema::
person(personId, addressId)
address(addressId)


::Java Operation::
person.getAddress();
address.getPeople();

::Annotation::

@Entity
@Table(name="PERSON")
public class Person {
   
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @Column(name="personId")
  private int id;
   
  @ManyToOne
  @JoinColumn(name="addressId")     // inverse = false
  private Address address;
}

@Entity
@Table(name = "ADDRESS")
public class Address {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @Column(name = "addressId")
  private int id;

  @OneToMany(mappedBy="address")  // pointing Person's address field
  @Column(name="personId")    // inverse=true
  private Set<Person> people;
}

::Generated SQL::

[Association Mapping List]