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#ifndef STATISTICS_H_INCLUDED
#define STATISTICS_H_INCLUDED
#include <vector>
#include <list>
#include <memory>
#include <wx/defs.h>
class wxStopWatch;
class wxString;
class RetrieveStatistics
{
public:
wxDEPRECATED( RetrieveStatistics() ); //generate compiler warnings as a reminder to remove code after measurements
~RetrieveStatistics();
void writeEntry(const double value, const int objects);
private:
struct statEntry
{
long time;
int objects;
double value;
};
std::vector<statEntry> data;
std::auto_ptr<wxStopWatch> timer;
};
class Statistics
{
public:
Statistics(const int totalObjectCount,
const double totalDataAmount,
const unsigned windowSizeRemainingTime, //time in ms
const unsigned windowSizeBytesPerSecond); //time in ms
~Statistics();
void addMeasurement(const int objectsCurrent, const double dataCurrent);
wxString getRemainingTime() const; //returns the remaining time in milliseconds
wxString getBytesPerSecond() const;
void pauseTimer();
void resumeTimer();
private:
wxString formatRemainingTime(const double timeInMs) const;
const int objectsTotal;
const double dataTotal;
const unsigned windowSizeRemTime; //"window width" of statistics used for calculation of remaining time in ms
const unsigned windowSizeBPS; //
const unsigned windowMax;
mutable int remainingTimeLast; //used for "smoothening" remaining time
struct record
{
int objects;
double data; //unit: bytes
long time; //unit: milliseconds
};
std::list<record> measurements;
wxStopWatch* timer;
};
#endif // STATISTICS_H_INCLUDED
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