InstanceCount.h

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/* This file is part of MoDELib, the Mechanics Of Defects Evolution Library.
 *
 *
 * MoDELib is distributed without any warranty under the 
 * GNU General Public License (GPL) v2 <http://www.gnu.org/licenses/>.
 */
 
#ifndef model_InstanceCount_H_
#define model_InstanceCount_H_
 
//#include <modelMacros.h> // model_checkInput
 
namespace model
{
        
        /************************************************************/  
        /************************************************************/
        template<typename Derived>
        class InstanceCount
    {
 
                
                // The incremental counters
                static size_t count;
                
        public:
                
 
                
        /**********************************************************************/
                InstanceCount()
        {
            count+=1;
                }
                
        /**********************************************************************/
                InstanceCount(const InstanceCount&) 
        {
            count+=1;
                }
        
        /**********************************************************************/
        ~InstanceCount()
        {
            count-=1;
        }
        
        /**********************************************************************/
        static size_t& counter()
        {
            return count;
        }
                
 
                
 
                
        };
        
        template<typename Derived>
        size_t InstanceCount<Derived>::count = 0;
        
} // namespace model
#endif