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

Since:

Java Persistence 1.0

• Optional Element Summary

  Optional Elements

  Modifier and Type	Optional Element and Description
  String	name (Optional) The name by which the entity manager factory is to be accessed in the environment referencing context; not needed when dependency injection is used.
  String	unitName (Optional) The name of the persistence unit as defined in the persistence.xml file.

• Element Detail

  • name

    public abstract String name

    (Optional) The name by which the entity manager factory is to be accessed in the environment referencing context; not needed when dependency injection is used.

    Default:

    ""

• • unitName

    public abstract String unitName

    (Optional) The name of the persistence unit as defined in the persistence.xml file. If specified, the persistence unit for the entity manager factory that is accessible in JNDI must have the same name.

    Default:

    ""