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 ADX_COMMON_SINGLETON_SINGLETON_H
      12              : #define ADX_COMMON_SINGLETON_SINGLETON_H
      13              : 
      14              : namespace Adx {
      15              : namespace Common {
      16              : namespace Singleton {
      17              : template<class T>
      18              : class Singleton {
      19              : public:
      20         1906 :     static T& Instance()
      21              :     {
      22         1906 :         static T instance;
      23         1906 :         return instance;
      24              :     }
      25           25 :     virtual ~Singleton()     {}                           // dtor hidden
      26              :     Singleton(Singleton const &) = delete;                // copy ctor hidden
      27              :     Singleton &operator=(Singleton const &) = delete;     // assign op. hidden
      28              : protected:
      29           25 :     Singleton()    {}                                     // ctor hidden
      30              : };
      31              : }  // namespace singleton
      32              : }  // namespace common
      33              : }  // namespace analysis
      34              : 
      35              : #endif