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## javax.persistence
Annotation Type GeneratedValue

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

Provides for the specification of generation strategies for the values of primary keys. The GeneratedValue annotation may be applied to a primary key property or field of an entity or mapped superclass in conjunction with the Id annotation.

Author:
  Emmanuel Bernard

Optional Element Summary
`String` | `generator` The name of the primary key generator to use as specified in the SequenceGenerator or TableGenerator annotation.
`GenerationType` | `strategy` The primary key generation strategy that the persistence provider must use to generate the annotated entity primary key.

### strategy

    public abstract GenerationType strategy

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

  Default:
    AUTO

### generator

    public abstract String generator

  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:
    ""

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