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
|
/* This file is part of the FaCT++ DL reasoner
Copyright (C) 2003-2015 Dmitry Tsarkov and The University of Manchester
Copyright (C) 2015-2016 Dmitry Tsarkov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _TCOUNTER_H
#define _TCOUNTER_H
/** define class that allows user to have an integer with restricted
* access (i.e. get value, increment and reset). This is useful when
* integral value used as a static var of some class
*/
template<typename T>
class TCounter
{
public: // type interface
/// define integral type of a counter
typedef T IntType;
protected: // members
/// counter itself
IntType counter;
public: // interface
/// init c'tor
explicit TCounter ( const IntType n ) : counter(n) {}
/// copy c'tor
template<typename U>
TCounter ( const TCounter<U>& copy ) : counter(copy.counter) {}
/// assignment
template<typename U>
TCounter& operator= ( const TCounter<U>& copy )
{
counter = copy.counter;
return *this;
}
// operators
/// get value of a counter
IntType val ( void ) const { return counter; }
/// increment value of a counter; @return new value
IntType inc ( void ) { return ++counter; }
/// set new value of a counter
void reset ( const IntType n ) { counter = n; }
}; // TCounter
#endif
|
