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_KV_ENTRY_H
17 #define MULTI_VER_KV_ENTRY_H
18 
19 #ifndef OMIT_MULTI_VER
20 #include <cstdint>
21 #include <vector>
22 
23 #include "multi_ver_value_object.h"
24 
25 namespace DistributedDB {
26 class MultiVerKvEntry {
27 public:
~MultiVerKvEntry()28     virtual ~MultiVerKvEntry() {};
29 
30     virtual int GetSerialData(std::vector<uint8_t> &data) const = 0;
31 
32     virtual int GetValueHash(std::vector<ValueSliceHash> &valueHashes) const = 0;
33 
34     virtual void GetTimestamp(uint64_t &timestamp) const = 0;
35 
36     virtual void SetTimestamp(uint64_t timestamp) = 0;
37 };
38 } // namespace DistributedDB
39 
40 #endif // MULTI_VER_KV_ENTRY_H
41 #endif
42