KVVGObjectSum.h

#ifndef __KVVGOBJECTSUM_H
#define __KVVGOBJECTSUM_H
 
#include "KVVarGlob.h"
 
template
<class SumObject>
class KVVGObjectSum : public KVVarGlob {
   Int_t fMult;// number of objects summed
   SumObject fResult;// result of summing objects
 
protected:
   void Add(const SumObject& obj)
   {
      fResult += obj;
      ++fMult;
   }
public:
   KVVGObjectSum()
      : KVVarGlob()
   {}
   KVVGObjectSum(const Char_t* nom)
      : KVVarGlob(nom)
   {}
   ROOT_COPY_CTOR(KVVGObjectSum, KVVarGlob)
   ROOT_COPY_ASSIGN_OP(KVVGObjectSum)
   virtual ~KVVGObjectSum() {}
   void Copy(TObject& obj) const
   {
      KVVarGlob::Copy(obj);
      dynamic_cast<KVVGObjectSum<SumObject>&>(obj).fResult = fResult;
   }
 
   void Reset()
   {
      fResult = SumObject();
      fMult = 0;
   }
 
   const SumObject& GetSumObject() const
   {
      return fResult;
   }
 
   Int_t GetMult() const
   {
      return fMult;
   }
 
   ClassDef(KVVGObjectSum, 1) //Global variable calculating sum of objects
};
 
#endif