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Java > Open Source Codes > com > db4o > config > annotations > PersistedStaticFieldValues


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.config.annotations;
22
23 import java.lang.annotation.Documented JavaDoc;
24 import java.lang.annotation.ElementType JavaDoc;
25 import java.lang.annotation.Retention JavaDoc;
26 import java.lang.annotation.RetentionPolicy JavaDoc;
27 import java.lang.annotation.Target JavaDoc;
28
29 /**
30  * turns on storing static field values for this class. <br>
31  * <br>
32  * By default, static field values of classes are not stored to the database
33  * file. By decoration a specific class with this switch, all non-simple-typed
34  * static field values of this class are stored the first time an object of the
35  * class is stored, and restored, every time a database file is opened
36  * afterwards. <br>
37  * <br>
38  * This annotation will be ignored for simple types. <br>
39  * <br>
40  * Use {@code @PersistedStaticFieldValues } for constant static object members.
41  * <br>
42  * <br>
43  * <br>
44  * <br>
45  * This option will slow down the process of opening database files and the
46  * stored objects will occupy space in the database file.
47  * @exclude
48  */

49 @Documented JavaDoc
50 @Target JavaDoc(ElementType.TYPE)
51 @Retention JavaDoc(RetentionPolicy.RUNTIME)
52 public @interface PersistedStaticFieldValues {
53 }
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