// BufferRegistry.h
#pragma once
#include "BufferManager.h"
#include <unordered_map>
#include <memory>
#include <shared_mutex>

class BufferRegistry {
public:
    // »ñÈ¡/´´½¨Ä³Ì¨»úÆ÷µÄ BufferManager
    BufferManager& getOrCreate(uint32_t managerId, const std::string& name, const RetentionPolicy& defPolicy = {});

    // ²éѯ
    std::vector<uint32_t> listManagers() const;
    BufferManager* find(uint32_t managerId);
    const BufferManager* find(uint32_t managerId) const;

    // ÒƳýÒ»¸ö¹ÜÀíÆ÷£¨¿ÉÑ¡£©
    void remove(uint32_t managerId);

private:
    mutable std::shared_mutex mtx_;
    std::unordered_map<uint32_t, std::unique_ptr<BufferManager>> managers_;
};