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 #include "backuprule/backup_rule_manager.h" 16 namespace OHOS::DistributedData { GetInstance()17BackupRuleManager &BackupRuleManager::GetInstance() 18 { 19 static BackupRuleManager instance; 20 return instance; 21 } 22 LoadBackupRules(const std::vector<std::string> & backupRules)23void BackupRuleManager::LoadBackupRules(const std::vector<std::string> &backupRules) 24 { 25 for (const auto &backupRule : backupRules) { 26 auto it = getters_.Find(backupRule); 27 if (!it.first || it.second == nullptr) { 28 continue; 29 } 30 auto *backupRuler = it.second(); 31 if (backupRuler == nullptr) { 32 continue; 33 } 34 backupRules_.push_back(backupRuler); 35 } 36 } 37 RegisterPlugin(const std::string & backupRule,std::function<BackupRule * ()> getter)38void BackupRuleManager::RegisterPlugin(const std::string &backupRule, std::function<BackupRule *()> getter) 39 { 40 auto it = getters_.Find(backupRule); 41 if (it.first) { 42 return; 43 } 44 getters_.Compute(backupRule, [&getter](const auto &key, auto &value) { 45 value = move(getter); 46 return true; 47 }); 48 } 49 CanBackup()50bool BackupRuleManager::CanBackup() 51 { 52 for (auto rule : backupRules_) { 53 if (rule == nullptr) { 54 continue; 55 } 56 if (!rule->CanBackup()) { 57 return false; 58 } 59 } 60 return true; 61 } 62 } // namespace OHOS::DistributedData 63