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Java > Open Source Codes > org > objectweb > speedo > metadata > SpeedoModifier


1 /**
2  * Speedo: an implementation of JDO compliant personality on top of JORM generic
3  * I/O sub-system.
4  * Copyright (C) 2001-2004 France Telecom R&D
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  *
21  *
22  * Contact: speedo@objectweb.org
23  *
24  * Authors: S.Chassande-Barrioz.
25  *
26  */
27
28 package org.objectweb.speedo.metadata;
29
30 /**
31  * This class represents the possible values for the attribute persistence-modifier
32  * of a field.
33  * @author S.Chassande-Barrioz
34  */
35 public abstract class SpeedoModifier {
36     public final static byte persistent = 2;
37     public final static byte transactional = 1;
38     public final static byte none = 0;
39     public final static byte missing = -1;
40
41     /**
42      * Transforms a String into a byte.
43      * @param s the string to transform.
44      * @return a byte corresponding to the string.
45      */
46     public static byte toByte(String JavaDoc s) {
47         if (s.equals("persistent"))
48             return persistent;
49         else if (s.equals("transactional"))
50             return transactional;
51         else if (s.equals("none"))
52             return none;
53         else
54             return missing;
55     } // end toByte
56 } // end SpeedoModifier
57
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