PndRingSorter.h

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//****************************************************************************
//*                   This file is part of PandaRoot.                        *
//*                                                                          *
//*            PandaRoot is distributed under the terms of the               *
//*              GNU General Public License (GPL) version 3,                 *
//*                 copied verbatim in the file "LICENSE".                   *
//*                                                                          *
//*  Copyright (C) 2006 - 2024 FAIR GmbH and copyright holders of PandaRoot  *
//*     The copyright holders are listed in the file "COPYRIGHTHOLDERS".     *
//*               The authors are listed in the file "AUTHORS".              *
//****************************************************************************

/*
 * PndRingSorter.h
 *
 *  Created on: Jul 15, 2010
 *      Author: stockman
 */

#ifndef PndRingSorter_H_
#define PndRingSorter_H_

#include "TObject.h"
#include "FairTimeStamp.h"

#include <vector>
#include <stack>
#include <map>

#include <iostream>

class PndRingSorter : public TObject {
 public:
  PndRingSorter(int size = 100, double width = 10) : fLowerBoundPointer(0, 0), fCellWidth(width), fVerbose(0) { fRingBuffer.resize(size); }

  virtual ~PndRingSorter(){};

  virtual FairTimeStamp *CreateElement(FairTimeStamp *data) = 0;

  virtual void AddElement(FairTimeStamp *digi, double timestamp);
  virtual void WriteOutElements(int index); 
  virtual void WriteOutElement(int index);  
  virtual void WriteOutAll() { WriteOutElements(fLowerBoundPointer.first); }
  virtual double GetBufferSize() { return fCellWidth * fRingBuffer.size(); }
  virtual std::vector<FairTimeStamp *> GetOutputData() { return fOutputData; }

  virtual void DeleteOutputData() { fOutputData.clear(); }
  virtual void SetLowerBound(double timestampOfHitToWrite);

  virtual void Print(std::ostream &out = std::cout)
  {
    out << "RingSorter: Size " << fRingBuffer.size() << " CellWidth: " << fCellWidth << std::endl;
    out << "LowerBoundPointer at index: " << fLowerBoundPointer.first << " Time: " << fLowerBoundPointer.second << std::endl;
    out << "| ";
    for (int i = 0; i < fRingBuffer.size(); i++) {
      out << fRingBuffer[i].size() << " |";
    }
    out << std::endl;
  }

 private:
  int CalcIndex(double val);
  std::vector<std::multimap<double, FairTimeStamp *>> fRingBuffer;
  std::vector<FairTimeStamp *> fOutputData;
  std::pair<int, double> fLowerBoundPointer;
  double fCellWidth;
  int fVerbose;

  ClassDef(PndRingSorter, 1)
};

#endif /* PndRingSorter_H_ */