1 /* 2 * Copyright (c) 2021-2022 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 DATABASE_DISASTER_RECOVERY_H 17 #define DATABASE_DISASTER_RECOVERY_H 18 19 #include <string> 20 21 #include "rdb_store.h" 22 23 namespace OHOS { 24 namespace Contacts { 25 class DataBaseDisasterRecovery { 26 public: 27 static std::shared_ptr<DataBaseDisasterRecovery> GetInstance(); 28 ~DataBaseDisasterRecovery(); 29 int SQLiteCheckDb(); 30 int BackDatabase(); 31 int BackDatabase(std::string dataBaseName); 32 std::string GetBackUpDatabase(const std::shared_ptr<OHOS::NativeRdb::RdbStore> &store_); 33 int RecoveryDatabase(std::string dataBaseName); 34 35 private: 36 DataBaseDisasterRecovery(); 37 static std::shared_ptr<DataBaseDisasterRecovery> instance_; 38 static std::map<std::string, std::shared_ptr<OHOS::NativeRdb::RdbStore>> redbStoreMap; 39 int SQLiteCheckDb(std::shared_ptr<OHOS::NativeRdb::RdbStore> rdbStore, std::string dataBaseName); 40 static const std::string BACKUP_LINK_SYMBOL; 41 static const std::string BACKUP_SUFFIX; 42 static const std::string DB_OK; 43 }; 44 } // namespace Contacts 45 } // namespace OHOS 46 #endif // DATABASE_DISASTER_RECOVERY_H 47