pica/database/resource.h

//SPDX-FileCopyrightText: 2023 Yury Gubich <blue@macaw.me>
//SPDX-License-Identifier: GPL-3.0-or-later

#pragma once

#include <memory>

#include "interface.h"

namespace DB {
class Pool;

class Resource {
    friend class Pool;
    Resource(std::unique_ptr<Interface> interface, std::weak_ptr<Pool> parent);

public:
    Resource(const Resource&) = delete;
    Resource(Resource&& other);
    ~Resource();

    Resource& operator = (const Resource&) = delete;
    Resource& operator = (Resource&& other);

    Interface* operator -> ();

private:
    std::weak_ptr<Pool> parent;
    std::unique_ptr<Interface> interface;
};
}