DtSampleAggregator.h

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/*********************************************************************************
** Copyright (c) 2015 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************************/


#pragma once

#include <vrvUtil/vrvUtil.h>

#include <string>
#include <fstream>

namespace makVrv
{
   class DT_DLL_VRVUTIL DtSampleAggregator
   {
   public:
      static std::size_t calculateNumberOfSamples(float estimatedFrequency, float estimatedRunTimeSeconds);

      DtSampleAggregator(std::size_t numOfSamples, std::size_t numOfFields, const std::string& fileName, bool rowNumInOutput=true);

      ~DtSampleAggregator();

      std::size_t numSamples() const;

      std::size_t currentSample() const;

      std::size_t numFields() const;

      void addSample(std::size_t field, double sample);

      void incrementSample();

      void reset();

      double* samples(std::size_t field);

      bool dumped(void) const;

      void dump();


      void addToDumpFile(const std::string& str);

      bool valid() const;

   private:
      // Unimplemented default CTOR
      DtSampleAggregator();

   protected:
      std::string myFileName;

      const std::size_t  myNumSamples;
      const std::size_t  myNumFields;
      std::size_t myCurrentSample;
      double** myData;  // This is an array of pointers to doubles - each points to the start of an array of doubles of size numSamples

      bool isValid;
      std::ofstream myDumpFile;
      bool myDumped;
      bool myRowNumInOutput;
   };
}