object_counter.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics 
//
//  License:         BSD License 
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Riccardo Rossi
//                    
//
 
 
#if !defined(KRATOS_OBJECT_COUNTER_H_INCLUDED )
#define  KRATOS_OBJECT_COUNTER_H_INCLUDED
 
 
 
// System includes
#include <string>
#include <iostream>
 
 
// External includes
 
 
// Project includes
#include "includes/define.h"
 
 
namespace Kratos
{
 
 
 
 
 
 
 
template<class TCountedType>
class ObjectCounter
{
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(ObjectCounter);
 
    typedef unsigned int SizeType;
 
 
 
 
 
 
 
 
    // return number of existing objects:
    static SizeType Counter()
    {
        return ObjectCounter<TCountedType>::msCounter;
    }
 
 
 
 
    virtual std::string Info() const
    {
        return std::string("ObjectCounter");
    }
 
    virtual void PrintInfo(std::ostream& rOStream) const
    {
        rOStream << Info();
    }
 
    virtual void PrintData(std::ostream& rOStream) const
    {
        rOStream << Counter() << " objects";
    }
 
 
 
 
 
protected:
 
 
 
 
 
 
 
 
 
 
 
 
 
    ObjectCounter()
    {
        ++ObjectCounter<TCountedType>::msCounter;
    }
 
    ObjectCounter(ObjectCounter<TCountedType> const& rOther)
    {
        ++ObjectCounter<TCountedType>::msCounter;
    }
 
    virtual ~ObjectCounter()
    {
        --ObjectCounter<TCountedType>::msCounter;
    }
 
 
private:
 
    static SizeType msCounter;
 
 
 
 
 
 
 
 
 
 
 
 
    ObjectCounter& operator=(ObjectCounter const& rOther);
 
 
}; // Class ObjectCounter
 
 
 
 
 
 
template<class TCountedType>
inline std::istream& operator >> (std::istream& rIStream,
                                  ObjectCounter<TCountedType>& rThis);
 
template<class TCountedType>
inline std::ostream& operator << (std::ostream& rOStream,
                                  const ObjectCounter<TCountedType>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << " : ";
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
// initialize counter with zero
template<typename TCountedType>
typename ObjectCounter<TCountedType>::SizeType ObjectCounter<TCountedType>::msCounter = 0;
 
}  // namespace Kratos.
 
#endif // KRATOS_OBJECT_COUNTER_H_INCLUDED  defined