time_stamp.h

#pragma once
 
#include <chrono>
 
namespace cgv {
namespace data {
 
using time_point = std::chrono::high_resolution_clock::time_point;
 
class time_stamp {
public:
    bool is_valid() const {
        return modified_time_ != time_point::min();
    }
 
    void reset() {
        modified_time_ = time_point::min();
    }
 
    void modified() {
        modified_time_ = std::chrono::high_resolution_clock::now();
    }
 
    time_point get_modified_time() const {
        return modified_time_;
    }
 
    bool operator>(const time_stamp& other) {
        return this->modified_time_ > other.modified_time_;
    }
    bool operator<(const time_stamp& other) {
        return this->modified_time_ < other.modified_time_;
    }
 
private:
    time_point modified_time_ = time_point::min();
};
 
} // namespace data
} // namespace cgv