Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef DGW_STRATEGY_MANAGER_H
      12              : #define DGW_STRATEGY_MANAGER_H
      13              : 
      14              : #include <map>
      15              : #include "common/type_def.h"
      16              : #include "dgw_client.h"
      17              : #include "strategy.h"
      18              : 
      19              : namespace dgw {
      20              : 
      21              : class StrategyManager {
      22              : public:
      23            1 :     explicit StrategyManager() = default;
      24            1 :     ~StrategyManager() = default;
      25              : 
      26              :     StrategyManager(const StrategyManager&) = delete;
      27              :     StrategyManager(const StrategyManager&&) = delete;
      28              :     StrategyManager& operator=(const StrategyManager&) = delete;
      29              :     StrategyManager& operator=(StrategyManager&&) = delete;
      30              : 
      31              : public:
      32              :     static StrategyManager& GetInstance();
      33              :     void RegisterStrategy(const bqs::GroupPolicy policy, Strategy* strategy, const char_t* const strategyDesc);
      34              :     Strategy* GetStrategy(const bqs::GroupPolicy policy) const;
      35              :     const std::string& GetStrategyDesc(const bqs::GroupPolicy policy) const;
      36              : 
      37              : private:
      38              :     std::map<bqs::GroupPolicy, Strategy*> strategy_;
      39              :     std::map<bqs::GroupPolicy, std::string> strategyDesc_;
      40              : };
      41              : 
      42              : // strategy register
      43              : class StrategyRegister {
      44              : public:
      45            2 :     StrategyRegister(const bqs::GroupPolicy policy, Strategy* strategy, const char_t* const strategyDesc)
      46              :     {
      47            2 :         StrategyManager::GetInstance().RegisterStrategy(policy, strategy, strategyDesc);
      48            2 :     }
      49              : 
      50              :     ~StrategyRegister() = default;
      51              :     StrategyRegister(const StrategyRegister&) = delete;
      52              :     StrategyRegister(const StrategyRegister&&) = delete;
      53              :     StrategyRegister& operator=(const StrategyRegister&) = delete;
      54              :     StrategyRegister& operator=(StrategyRegister&&) = delete;
      55              : };
      56              : 
      57              : #define REGISTER_STRATEGY(policy, strategy) \
      58              :     strategy g_##strategy;                  \
      59              :     StrategyRegister g_##strategy##_register(bqs::GroupPolicy::policy, &g_##strategy, #policy)
      60              : } // namespace dgw
      61              : #endif