01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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;
24: import java.lang.annotation.ElementType;
25: import java.lang.annotation.Retention;
26: import java.lang.annotation.RetentionPolicy;
27: import java.lang.annotation.Target;
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
50: @Target(ElementType.TYPE)
51: @Retention(RetentionPolicy.RUNTIME)
52: public @interface PersistedStaticFieldValues {
53: }
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