#ifndef DATAPROV_H
#define DATAPROV_H

#include<Eigen/Dense>

class DataProvider  //Virtual base class for data input
{
private:
    int size;
    int attrSize;
public:
    int getSize(){
        return size;
    }
    int getAttrSize(){
        return attrSize;
    }

    virtual Eigen::MatrixXd* getAttr() = 0;
    virtual Eigen::MatrixXd* getPref() = 0;
    virtual int open();
    virtual int parse();
};

#endif