@Target(value={METHOD,FIELD})
 @Retention(value=RUNTIME)
public @interface GeneratedValue

 Example 1:
 @Id
 @GeneratedValue(strategy=SEQUENCE, generator="CUST_SEQ")
 @Column(name="CUST_ID")
 public Long getId() { return id; }
 Example 2:
 @Id
 @GeneratedValue(strategy=TABLE, generator="CUST_GEN")
 @Column(name="CUST_ID")
 Long id;
 

Since:

Java Persistence 1.0

See Also:

Id, TableGenerator, SequenceGenerator

• Optional Element Summary

  Optional Elements

  Modifier and Type	Optional Element and Description
  String	generator (Optional) The name of the primary key generator to use as specified in the SequenceGenerator or TableGenerator annotation.
  GenerationType	strategy (Optional) The primary key generation strategy that the persistence provider must use to generate the annotated entity primary key.

• Element Detail

  • strategy

    public abstract GenerationType strategy

    (Optional) The primary key generation strategy that the persistence provider must use to generate the annotated entity primary key.

    Default:

    javax.persistence.GenerationType.AUTO

• • generator

    public abstract String generator

    (Optional) The name of the primary key generator to use as specified in the SequenceGenerator or TableGenerator annotation.

    Defaults to the id generator supplied by persistence provider.

    Default:

    ""