ValueEvent.h

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#ifndef VALUEEVENT_H
#define VALUEEVENT_H

#include <iostream>

class ValueEvent {

public:
    ValueEvent(const double v, const double d): value(v), date(d) {};

    ValueEvent() {};

    ~ValueEvent() = default;

    bool isActive(const double t) const;

    double getValue() ;
    double getValue(const double t) ;
    double getValue(const double t, ValueEvent* nextE) ;

    void setDate(const double);
    void setValue(const double);

    double getDate() const;

    friend std::ostream& operator << (std::ostream&, ValueEvent);

    void xmlPrint(std::ostream&);

private:
    double value{0.0};
    double date{0.0};

};

#endif //VALUEEVENT_H