1 /* 2 * Copyright (c) 2023 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_CLOUD_SYNC_SERVICE_RDB_DATA_HANDLER_H 17 #define OHOS_CLOUD_SYNC_SERVICE_RDB_DATA_HANDLER_H 18 19 #include "abs_rdb_predicates.h" 20 #include "rdb_helper.h" 21 #include "result_set.h" 22 #include "values_bucket.h" 23 24 #include "data_handler.h" 25 26 namespace OHOS { 27 namespace FileManagement { 28 namespace CloudSync { 29 class RdbDataHandler : public DataHandler { 30 protected: 31 /* init */ RdbDataHandler(int32_t userId,const std::string & bundleName,const std::string & table,std::shared_ptr<NativeRdb::RdbStore> rdb)32 RdbDataHandler(int32_t userId, const std::string &bundleName, const std::string &table, 33 std::shared_ptr<NativeRdb::RdbStore> rdb) 34 : DataHandler(userId, bundleName, table), 35 rdb_(rdb), 36 tableName_(table) {} 37 virtual ~RdbDataHandler() = default; 38 39 virtual int32_t BeginTransaction(); 40 virtual int32_t RollBack(); 41 virtual int32_t Commit(); 42 43 /* insert, delete, update, query */ 44 virtual int32_t BatchInsert(int64_t &outRowId, 45 const std::string &table, 46 const std::vector<NativeRdb::ValuesBucket> &initialBatchValues); 47 virtual int32_t Insert(int64_t &outRowId, const NativeRdb::ValuesBucket &initialValues); 48 virtual int32_t Update(int &changedRows, const NativeRdb::ValuesBucket &values, 49 const std::string &whereClause, const std::vector<std::string> &whereArgs); 50 virtual int32_t Delete(int &deletedRows, const std::string &whereClause, 51 const std::vector<std::string> &whereArgs); 52 virtual std::shared_ptr<NativeRdb::ResultSet> Query(const NativeRdb::AbsRdbPredicates &predicates, 53 const std::vector<std::string> &columns); 54 55 /* insert, delete, update with tableName */ 56 virtual int32_t Insert(int64_t &outRowId, const std::string &tableName, 57 const NativeRdb::ValuesBucket &initialValues); 58 virtual int32_t Update(int &changedRows, const std::string &tableName, 59 const NativeRdb::ValuesBucket &values, const std::string &whereClause, 60 const std::vector<std::string> &whereArgs); 61 virtual int32_t Delete(int &deletedRows, const std::string &tableName, 62 const std::string &whereClause, const std::vector<std::string> &whereArgs); 63 64 /* raw */ 65 virtual int32_t ExecuteSql(const std::string &sql, 66 const std::vector<NativeRdb::ValueObject> &bindArgs = std::vector<NativeRdb::ValueObject>()); 67 68 private: 69 std::shared_ptr<NativeRdb::RdbStore> rdb_; 70 std::string tableName_; 71 }; 72 } // namespace CloudSync 73 } // namespace FileManagement 74 } // namespace OHOS 75 #endif // OHOS_CLOUD_SYNC_SERVICE_RDB_DATA_HANDLER_H