src/utils/Counter.hpp

/*******************************************************************\

              Copyright (C) 2003 Joseph Coffland

    This program 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 (at your option) any later version.

   This program 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 this program; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
                           02111-1307, USA.

            For information regarding this software email
                   jcofflan@users.sourceforge.net

\*******************************************************************/

#ifndef UTILS_COUNTER_H
#define UTILS_COUNTER_H

namespace OpenMD {
  /** 
   * This class is used by SmartPointer to count
   * pointer references.
   */
  class Counter {
    long count;

  public:
    Counter(const Counter &counter) : count(counter.count) {}
    Counter(const long initialCount) : count(initialCount) {}
    Counter() : count(0) {}

    /** 
     * Increment.
     */
    void inc() {count++;}

    /** 
     * Decrement.
     * 
     * @return true if count != 0, false otherwise
     */  
    bool dec() {count--; return count != 0;}

    /** 
     * Get the current count.
     * 
     * @return The count.
     */
    long getCount() const {return count;}
  };
}
#endif
Revision:	1492
Committed:	Mon Aug 16 18:07:50 2010 UTC (14 years, 8 months ago) by chuckv
File size:	1758 byte(s)
Log Message:	Adding exception and reporting mechanism from ProtoMol to OpenMD.
#	User	Rev	Content
1	chuckv	1492	/*******************************************************************\
2
3			Copyright (C) 2003 Joseph Coffland
4
5			This program is free software; you can redistribute it and/or
6			modify it under the terms of the GNU General Public License
7			as published by the Free Software Foundation; either version 2
8			of the License, or (at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			GNU General Public License for more details.
14
15			You should have received a copy of the GNU General Public License
16			along with this program; if not, write to the Free Software
17			Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18			02111-1307, USA.
19
20			For information regarding this software email
21			jcofflan@users.sourceforge.net
22
23			\*******************************************************************/
24
25			#ifndef UTILS_COUNTER_H
26			#define UTILS_COUNTER_H
27
28			namespace OpenMD {
29			/**
30			* This class is used by SmartPointer to count
31			* pointer references.
32			*/
33			class Counter {
34			long count;
35
36			public:
37			Counter(const Counter &counter) : count(counter.count) {}
38			Counter(const long initialCount) : count(initialCount) {}
39			Counter() : count(0) {}
40
41			/**
42			* Increment.
43			*/
44			void inc() {count++;}
45
46			/**
47			* Decrement.
48			*
49			* @return true if count != 0, false otherwise
50			*/
51			bool dec() {count--; return count != 0;}
52
53			/**
54			* Get the current count.
55			*
56			* @return The count.
57			*/
58			long getCount() const {return count;}
59			};
60			}
61			#endif