Field Detail

• PERSISTENCE_PROVIDER

  @Deprecated
  public static final java.lang.String PERSISTENCE_PROVIDER

  Deprecated. 
  This final String is deprecated and should be removed and is only here for TCK backward compatibility

  See Also:

  Constant Field Values

  Since:

  Java Persistence 1.0

• providers

  @Deprecated
  protected static final java.util.Set<PersistenceProvider> providers

  Deprecated. 
  This instance variable is deprecated and should be removed and is only here for TCK backward compatibility

  Since:

  Java Persistence 1.0

Constructor Detail

• Persistence

  public Persistence()

Method Detail

• createEntityManagerFactory

  public static EntityManagerFactory createEntityManagerFactory(java.lang.String persistenceUnitName)

  Create and return an EntityManagerFactory for the named persistence unit.

  Parameters:

  persistenceUnitName - the name of the persistence unit

  Returns:

  the factory that creates EntityManagers configured according to the specified persistence unit

• createEntityManagerFactory

  public static EntityManagerFactory createEntityManagerFactory(java.lang.String persistenceUnitName,
                                                java.util.Map properties)

  Create and return an EntityManagerFactory for the named persistence unit using the given properties.

  Parameters:

  persistenceUnitName - the name of the persistence unit

  properties - Additional properties to use when creating the factory. These properties may include properties to control schema generation. The values of these properties override any values that may have been configured elsewhere.

  Returns:

  the factory that creates EntityManagers configured according to the specified persistence unit.

• generateSchema

  public static void generateSchema(java.lang.String persistenceUnitName,
                    java.util.Map map)

  Create database schemas and/or tables and/or create DDL scripts as determined by the supplied properties.

  Called when schema generation is to occur as a separate phase from creation of the entity manager factory.

  Parameters:

  persistenceUnitName - the name of the persistence unit

  map - properties for schema generation; these may also contain provider-specific properties. The value of these properties override any values that may have been configured elsewhere..

  Throws:

  PersistenceException - if insufficient or inconsistent configuration information is provided or if schema generation otherwise fails.

  Since:

  Java Persistence 2.1

• getPersistenceUtil

  public static PersistenceUtil getPersistenceUtil()

  Return the PersistenceUtil instance

  Returns:

  PersistenceUtil instance

  Since:

  Java Persistence 2.0