Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
33 | PointedEar | 1 | //$Id: InheritanceType.java 11282 2007-03-14 22:05:59Z epbernard $ |
2 | //EJB3 Specification Copyright 2004-2006 Sun Microsystems, Inc. |
||
3 | package javax.persistence; |
||
4 | |||
5 | /** |
||
6 | * Defines inheritance strategy options. |
||
7 | * |
||
8 | * @author Emmanuel Bernard |
||
9 | */ |
||
10 | public enum InheritanceType |
||
11 | { |
||
12 | /** |
||
13 | * A single table per class hierarchy |
||
14 | */ |
||
15 | SINGLE_TABLE, |
||
16 | /** |
||
17 | * A table per concrete entity class |
||
18 | */ |
||
19 | TABLE_PER_CLASS, |
||
20 | /** |
||
21 | * A strategy in which fields that are specific to a subclass are mapped to a separate |
||
22 | * table than the fields that are common to the parent class, and a join is performed |
||
23 | * to instantiate the subclass. |
||
24 | */ |
||
25 | JOINED }; |