blob: 4535439df607a1df82e7bf947932e13963f57339 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* The Mana Server
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SINGLETON_H
#define SINGLETON_H
namespace utils
{
/**
* An abstract Meyer's singleton class.
*/
template <typename T>
class Singleton
{
public:
/**
* Create an instance of Singleton.
*
* @return the unique instance of Singleton.
*/
static T &instance()
{
static T theInstance;
return theInstance;
}
protected:
/**
* Default constructor.
*/
Singleton()
throw()
{}
/**
* Destructor.
*/
virtual ~Singleton()
throw()
{}
private:
/**
* Copy constructor.
*/
Singleton(const Singleton &);
/**
* Assignment operator.
*/
Singleton &operator=(const Singleton &);
};
} // namespace utils
#endif // SINGLETON_H
|
