01: /**
02: * Copyright (C) 2006 NetMind Consulting Bt.
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 3 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */package hu.netmind.persistence;
18:
19: import java.util.Date;
20: import java.util.Calendar;
21:
22: /**
23: * Simple utility makes a serial number from a date suitable for
24: * a more granular time timekeeping. The format used takes the date
25: * into account with millisecond precision, and multiplicates it with 10.000
26: * to reserve space for sub-millisecond precision.
27: * @author Brautigam Robert
28: * @version Revision: $Revision$
29: */
30: public class DateSerialUtil {
31: public static long getSerial(Date date) {
32: return date.getTime() * 10000L;
33: }
34:
35: public static Date getDate(long serial) {
36: return new Date(serial / 10000L + 1);
37: }
38:
39: public static long getMaxSerial() {
40: return Long.MAX_VALUE;
41: }
42: }
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