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Java > Open Source Codes > de > nava > informa > utils > manager > memory > IdGenerator


1 //
2 // Informa -- RSS Library for Java
3 // Copyright (c) 2002 by Niko Schmuck
4 //
5 // Niko Schmuck
6 // http://sourceforge.net/projects/informa
7 // mailto:niko_schmuck@users.sourceforge.net
8 //
9 // This library is free software.
10 //
11 // You may redistribute it and/or modify it under the terms of the GNU
12 // Lesser General Public License as published by the Free Software Foundation.
13 //
14 // Version 2.1 of the license should be included with this distribution in
15 // the file LICENSE. If the license is not included with this distribution,
16 // you may find a copy at the FSF web site at 'www.gnu.org' or 'www.fsf.org',
17 // or you may write to the Free Software Foundation, 675 Mass Ave, Cambridge,
18 // MA 02139 USA.
19 //
20 // This library is distributed in the hope that it will be useful,
21 // but WITHOUT ANY WARRANTY; without even the implied waranty of
22 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 // Lesser General Public License for more details.
24 //
25 // $Id: IdGenerator.java,v 1.1 2004/08/23 14:39:08 spyromus Exp $
26 //
27
28 package de.nava.informa.utils.manager.memory;
29
30 /**
31  * Generator of ID sequence. Each application run it starts from 1. We don't need to
32  * have unique identifiers across invocations and the implemented approach looks
33  * sufficient.
34  *
35  * @author Aleksey Gureev (spyromus@noizeramp.com)
36  */
37 public final class IdGenerator {
38   private static long currentId = 1;
39
40   /**
41    * Hidden utility class constructor.
42    */
43   private IdGenerator() {
44   }
45
46   /**
47    * Returns next available ID value.
48    *
49    * @return available ID.
50    */
51   public static long getNextId() {
52     return currentId++;
53   }
54 }
55
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