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 KV_STORE_CHANGED_DATA_H
17 #define KV_STORE_CHANGED_DATA_H
18 
19 #include <list>
20 #include "store_types.h"
21 
22 namespace DistributedDB {
23 class KvStoreChangedData {
24 public:
KvStoreChangedData()25     KvStoreChangedData() {}
~KvStoreChangedData()26     DB_API virtual ~KvStoreChangedData() {}
27 
28     // Interface for Getting the inserted, updated, delete entries.
29     DB_API virtual const std::list<Entry> &GetEntriesInserted() const = 0;
30 
31     DB_API virtual const std::list<Entry> &GetEntriesUpdated() const = 0;
32 
33     DB_API virtual const std::list<Entry> &GetEntriesDeleted() const = 0;
34 
35     DB_API virtual bool IsCleared() const = 0;
36 };
37 } // namespace DistributedDB
38 
39 #endif // KV_STORE_CHANGED_DATA
40