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 ITABLE_OPERATOR_H 17 #define ITABLE_OPERATOR_H 18 19 #include <vector> 20 21 #include "rdb_predicates.h" 22 #include "values_bucket.h" 23 24 namespace OHOS { 25 namespace UpdateEngine { 26 template <typename T> 27 class ITableOperator { 28 public: 29 virtual ~ITableOperator() = default; 30 virtual bool Insert(const std::vector<T> &value) = 0; 31 virtual bool DeleteAll(int32_t &deletedRows) = 0; 32 virtual bool Delete(int32_t &deletedRows, const NativeRdb::RdbPredicates &predicates) = 0; 33 virtual bool QueryAll(std::vector<T> &result) = 0; 34 virtual bool Query(std::vector<T> &results, const NativeRdb::RdbPredicates &predicates) = 0; 35 virtual bool Update( 36 int &changedRows, const NativeRdb::ValuesBucket &values, const NativeRdb::RdbPredicates &predicates) = 0; 37 }; 38 } // namespace UpdateEngine 39 } // namespace OHOS 40 #endif // ITABLE_OPERATOR_H