server/module_service/module_over_speed_vehicle.h

#ifndef MODULE_OVER_SPEED_VEHICLE_H
#define MODULE_OVER_SPEED_VEHICLE_H
/**
  *@brief 车卡超速模块
  * @author 戴月腾
  * @date 2018-08-08
*/

#include <unordered_map>
#include "module_singleton_base.h"
#include "card.h"

/**
 * @brief 区域超速类。当某张车卡速度超过某个区域的最大速度时，发出告警, 单例
 */
class module_over_speed_vehicle:public singleton_base<module_over_speed_vehicle>
{
private:
    friend class singleton_base<module_over_speed_vehicle>;
    module_over_speed_vehicle()
    {
    }

public:
    void on_hover(std::shared_ptr<card_location_base> card_ptr, int vehicle_category_id);

    void init_vehicle_category_from_db();

private:
    bool is_over_speed(int category_id, double speed)
    {
        auto serch = _vehicle_category_map.find(category_id);
        if(serch == _vehicle_category_map.end())
        {
            return false;
        }

        return serch->second <= speed;
    }

    double limit_speed(int category_id) const
    {
        auto serch = _vehicle_category_map.find(category_id);
        if(serch == _vehicle_category_map.end())
        {
            return 0;
        }

        return serch->second;
    }

private:
    std::unordered_map<int,double> _vehicle_category_map;
};

#endif // MODULE_OVER_SPEED_VEHICLE_H