FlowShopSchedulingProblem.h

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#ifndef FLOWSHOPSCHEDULINGPROBLEM_H
#define FLOWSHOPSCHEDULINGPROBLEM_H

#include <iostream>
#include <fstream>
#include <sstream>
#include <algorithm>
#include <vector>
#include "RandomHelper.h"
#include "IData.h"

namespace operational_research
{

class FlowShopSchedulingProblem : public IData
{
private:
    // Number of jobs.
    unsigned int jobs;

    // Number of machines.
    unsigned int machines;

    // Processing times of jobs on machines.
    std::vector<std::vector<double> > processingTimes;

    bool checkSchedule(const std::vector<unsigned int>& schedule);

    void writeResultToFile(const std::vector<unsigned int>& schedule, double costFunctionValue, const std::string& filename);

public:
    FlowShopSchedulingProblem(unsigned int jobs, unsigned int machines, const std::vector<std::vector<double> >& processingTimes);

    FlowShopSchedulingProblem(unsigned int jobs, unsigned int machines, double minProcessingTime, double maxProcessingTime, bool integerValues = false);

    FlowShopSchedulingProblem(const std::string& filename);

    void readDataFromFile(const std::string& filename);

    void writeDataToFile(const std::string& filename);

    void showData();

    void setData(unsigned int jobs, unsigned int machines, const std::vector<std::vector<double> >& processingTimes);

    void generateData(unsigned int jobs, unsigned int machines, double minProcessingTime, double maxProcessingTime, bool integerValues = false);

    double evaluatePFSSP(const std::vector<unsigned int>& schedule);

    double evaluatePFSSP(const std::vector<unsigned int>& schedule, const std::string& filename);

    double evaluateFSSPB(const std::vector<unsigned int>& schedule);

    double evaluateFSSPB(const std::vector<unsigned int>& schedule, const std::string& filename);

    double evaluateFSSPNW(const std::vector<unsigned int>& schedule);

    double evaluateFSSPNW(const std::vector<unsigned int>& schedule, const std::string& filename);

    unsigned int getJobs() const {
        return jobs;
    }
    
    unsigned int getMachines() const {
        return machines;
    }
    
    const std::vector<std::vector<double> >& getProcessingTimes() const {
        return processingTimes;
    }
};

} // namespace operational_research

#endif // FLOWSHOPSCHEDULINGPROBLEM_H