#pragma once

#include <memory>
#include "../objects/vp_meta.h"

namespace vp_nodes {
    class vp_meta_subscriber {
    private:
        /* data */
    public:
        vp_meta_subscriber(/* args */);
        ~vp_meta_subscriber();

        // non-copyable for all child class
        vp_meta_subscriber(const vp_meta_subscriber&) = delete;
        vp_meta_subscriber& operator=(const vp_meta_subscriber&) = delete;

        // receive meta from previous nodes
        virtual void meta_flow(std::shared_ptr<vp_objects::vp_meta> meta) = 0;
    };

}