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Java > Open Source Codes > com > db4o > foundation > PersistentTimeStampIdGenerator


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.foundation;
22
23
24 public class PersistentTimeStampIdGenerator {
25     
26     private boolean _dirty;
27     
28     private final TimeStampIdGenerator _generator = new TimeStampIdGenerator();
29     
30     public long next() {
31         _dirty = true;
32         return _generator.generate();
33     }
34
35     public void setMinimumNext(long val) {
36         if(_generator.setMinimumNext(val)){
37             _dirty = true;
38         }
39     }
40
41     public long lastTimeStampId() {
42         return _generator.last();
43     }
44
45     public boolean isDirty() {
46         return _dirty;
47     }
48
49     public void setClean() {
50         _dirty = false;
51     }
52 }
53
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