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,
      34              :                           Strategy*  strategy,
      35              :                           const char_t * const strategyDesc);
      36              :     Strategy *GetStrategy(const bqs::GroupPolicy policy) const;
      37              :     const std::string &GetStrategyDesc(const bqs::GroupPolicy policy) const;
      38              : 
      39              : private:
      40              :     std::map<bqs::GroupPolicy, Strategy*> strategy_;
      41              :     std::map<bqs::GroupPolicy, std::string> strategyDesc_;
      42              : };
      43              : 
      44              : // strategy register
      45              : class StrategyRegister {
      46              : public:
      47            2 :     StrategyRegister(const bqs::GroupPolicy policy, Strategy * strategy, const char_t * const strategyDesc)
      48              :     {
      49            2 :         StrategyManager::GetInstance().RegisterStrategy(policy, strategy, strategyDesc);
      50            2 :     }
      51              : 
      52              :     ~StrategyRegister() = default;
      53              :     StrategyRegister(const StrategyRegister &) = delete;
      54              :     StrategyRegister(const StrategyRegister &&) = delete;
      55              :     StrategyRegister &operator = (const StrategyRegister &) = delete;
      56              :     StrategyRegister &operator = (StrategyRegister &&) = delete;
      57              : };
      58              : 
      59              : #define REGISTER_STRATEGY(policy, strategy)       \
      60              :     strategy g_##strategy;                        \
      61              :     StrategyRegister g_##strategy##_register(bqs::GroupPolicy::policy, &g_##strategy, #policy)
      62              : }
      63              : #endif