1 /* 2 * Copyright (c) 2022 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 16 #ifndef OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_BACKUPRULE_BACKUP_RULE_MANAGER_H 17 #define OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_BACKUPRULE_BACKUP_RULE_MANAGER_H 18 #include <vector> 19 #include "visibility.h" 20 #include "concurrent_map.h" 21 namespace OHOS { 22 namespace DistributedData { 23 class BackupRuleManager { 24 public: 25 class BackupRule { 26 public: 27 virtual bool CanBackup() = 0; 28 protected: 29 API_EXPORT ~BackupRule() = default; 30 }; 31 API_EXPORT static BackupRuleManager &GetInstance(); 32 API_EXPORT void RegisterPlugin(const std::string &backupRule, std::function<BackupRule *()> getter); 33 API_EXPORT void LoadBackupRules(const std::vector<std::string> &backupRules); 34 API_EXPORT bool CanBackup(); 35 private: 36 std::vector<BackupRule *> backupRules_; 37 ConcurrentMap<std::string, std::function<BackupRule *()>> getters_; 38 }; 39 } // namespace DistributedData 40 } // namespace OHOS 41 #endif // OHOS_DISTRIBUTED_DATA_SERVICES_FRAMEWORK_BACKUPRULE_BACKUP_RULE_MANAGER_H 42