Go4AnalysisClient/TGo4Ratemeter.h

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// $Id: TGo4Ratemeter.h 828 2011-12-20 12:37:57Z linev $
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4RATEMETER_H
#define TGO4RATEMETER_H

#include "TObject.h"

#include "TTimeStamp.h"

class TGo4Ratemeter : public TObject {
   public:
      TGo4Ratemeter() ;

      virtual ~TGo4Ratemeter() ;

      Double_t GetRate() const { return fdRate; }

      Double_t GetTime() const { return fdTime; }

      ULong64_t GetCurrentCount() const { return fuCurrentCount; }

      Double_t GetAvRate() const { return fdTime>0 ? fuCurrentCount/fdTime : 0.; }

      Bool_t Update(Int_t increment=1);

      void Reset();

      Bool_t TestUpdate();

      void SetUpdateInterval(double v) { if (v>0) fdUpdateInterval = v; }

   private:

      static const Double_t fgdUPDATEINTERVAL;

      ULong64_t fuCurrentCount;

      ULong64_t fuLastCount;

      Double_t fdRate;

      Double_t fdTime;

      TTimeStamp fLastTm;

      Bool_t fbUpdateDone;

      ULong64_t fuNextCheckCnt;

      ULong64_t fuCheckInterval;

      Double_t fdUpdateInterval;
};

#endif //TGO4RATEMETER_H