1 /* 2 * Copyright (c) 2025 Huawei Device 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 #ifndef TASK_DEPENDENCY_MANAGER_H 16 #define TASK_DEPENDENCY_MANAGER_H 17 18 #include <chrono> 19 #include <functional> 20 #include <future> 21 #include <map> 22 #include <mutex> 23 24 #include "base/memory/ace_type.h" 25 26 namespace OHOS::Ace { 27 class TaskDependencyManager : public AceType { 28 DECLARE_ACE_TYPE(TaskDependencyManager, AceType); 29 public: 30 enum class ErrorCode { 31 TASK_ERROR_KEY_CONFLICT = 0, 32 TASK_ERROR_KEY_ILLEGAL, 33 TASK_ERROR_UNRECORDED_DEPENDENCY 34 }; 35 static RefPtr<TaskDependencyManager> GetInstance(); 36 37 // Do not invoke in subthread 38 virtual void PostTaskToBg(std::function<void()>&& task, const std::string& taskName, 39 std::function<void(ErrorCode, std::function<void()>&&, 40 const std::string&)>&& errorHandler = [] (ErrorCode code, 41 std::function<void()>&& task, 42 const std::string& taskName) { 43 task(); 44 }); 45 virtual void Wait(const std::string& dependencyName, 46 std::function<void(ErrorCode, const std::string&)>&& errorHandler = [] ( 47 ErrorCode code, const std::string& dependencyName) { 48 return; 49 }); 50 // Do not invoke in subthread 51 virtual void Sync(); 52 private: 53 virtual void Delete(const std::string& taskName); 54 static RefPtr<TaskDependencyManager> instance_; 55 std::map<std::string, std::shared_ptr<std::future<void>>> futures_; 56 std::mutex lock_; 57 }; 58 } //OHOS::Ace 59 60 #endif //TASK_DEPENDENCY_MANAGER_H 61