 16 | get methods) Specifies a primary key column that is used as a foreign key to join to another table ... to a primary table; and it may be used in a OneToOne mapping in which the primary key ... to have the same names as the primary key columns of the primary table of the superclass. Example |
15 | Method javax.jdo.Query void addExtension( String key, Object value ) Add a vendor-specific extension to this query. The key and value are not standard. An implementation must ignore keys that are not recognized. Parameters: key - the key of the extension value - the value of the extension Since: JDO 2.0 |
15 | Annotation Element javax.jdo.annotations.Key ForeignKeyAction deleteAction Delete action to apply to the foreign key for the key. Returns: delete action to apply to the foreign key for the key Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1 |
15 | Annotation Element javax.jdo.annotations.Key ForeignKeyAction updateAction Update action to apply to the foreign key for the key. Returns: update action to apply to the foreign key for the key Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1 |
15 | Constructor javax.jdo.identity.ByteIdentity ByteIdentity( Class pcClass, Byte key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0 |
15 | Constructor javax.jdo.identity.CharIdentity CharIdentity( Class pcClass, char key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0 |
15 | Constructor javax.jdo.identity.CharIdentity CharIdentity( Class pcClass, Character key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0 |
15 | Method javax.jdo.PersistenceManager T getObjectById( Class cls, Object key ) Looks up the instance of the given type with the given key. Parameters: cls - The type of object to load key ... identity key Returns: the corresponding persistent instance Since: JDO 2.0 |
15 | Method javax.jdo.PersistenceManager Object getUserObject( Object key ) Get the value for the specified key from the map of user objects. Parameters: key - the key of the object to be returned Returns: the object Since: JDO 2.0 |
15 | Constructor javax.jdo.identity.IntIdentity IntIdentity( Class pcClass, int key ) Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0 |
