1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_SHARING_IDENTIFIER_H 17 #define OHOS_SHARING_IDENTIFIER_H 18 19 #include <atomic> 20 #include <singleton.h> 21 #include <string> 22 namespace OHOS { 23 namespace Sharing { 24 25 class Identifier : public Singleton<Identifier> { 26 friend class Singleton<Identifier>; 27 28 public: Identifier()29 Identifier() {} ~Identifier()30 ~Identifier() {} 31 MakeIdentifier()32 uint32_t MakeIdentifier() 33 { 34 return ++key_; 35 } 36 37 private: 38 std::atomic<uint32_t> key_ = 0; 39 }; 40 41 class IdentifierInfo { 42 public: IdentifierInfo()43 IdentifierInfo() 44 { 45 id_ = Identifier::GetInstance().MakeIdentifier(); 46 } 47 GetIdentifier()48 std::string GetIdentifier() 49 { 50 return std::to_string(id_); 51 } 52 GetId()53 uint32_t GetId() 54 { 55 return id_; 56 } 57 58 private: 59 uint32_t id_ = -1; 60 }; 61 62 } // namespace Sharing 63 } // namespace OHOS 64 #endif 65