1 /* 2 * Copyright (c) 2021 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 NATIVE_RDB_SHARED_RESULT_SET_H 17 #define NATIVE_RDB_SHARED_RESULT_SET_H 18 19 #include <string> 20 #include "shared_block.h" 21 22 namespace OHOS { 23 namespace NativeRdb { 24 class SharedResultSet { 25 public: SharedResultSet()26 SharedResultSet() {}; ~SharedResultSet()27 ~SharedResultSet() {}; 28 /** 29 * Obtains a block from the {@link SharedResultSet} 30 */ 31 virtual AppDataFwk::SharedBlock *GetBlock() const = 0; 32 /** 33 * Adds the data of a {@code SharedResultSet} to a {@link SharedBlock} 34 */ 35 virtual void FillBlock(int startRowIndex, AppDataFwk::SharedBlock *block) = 0; 36 /** 37 * Called when the position of the result set changes 38 */ 39 virtual bool OnGo(int oldRowIndex, int newRowIndex) = 0; 40 }; 41 } // namespace NativeRdb 42 } // namespace OHOS 43 44 #endif