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 MULTI_VER_NATURAL_STORE_TRANSFER_DATA_H
17 #define MULTI_VER_NATURAL_STORE_TRANSFER_DATA_H
18 
19 #ifndef OMIT_MULTI_VER
20 #include <cstddef>
21 #include "db_types.h"
22 #include "macro_utils.h"
23 
24 namespace DistributedDB {
25 class MultiVerNaturalStoreTransferData {
26 public:
MultiVerNaturalStoreTransferData()27     MultiVerNaturalStoreTransferData() {};
~MultiVerNaturalStoreTransferData()28     ~MultiVerNaturalStoreTransferData() {};
29 
30     DISABLE_COPY_ASSIGN_MOVE(MultiVerNaturalStoreTransferData);
31 
32     int SegmentAndTransferValueToHash(const Value &oriValue, std::vector<Value> &partValues) const;
33 
34 private:
35     size_t sliceLengthThreshold_ = 4194304; // 4MB
36     size_t blockSizeByte_ = 4194304; // 4MB
37 };
38 } // namespace DistributedDB
39 
40 #endif  // MULTI_VER_NATURAL_STORE_CONNECTION_H
41 #endif