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 RELATIONAL_STORE_CLIENT_H
17 #define RELATIONAL_STORE_CLIENT_H
18 
19 #include <cstdint>
20 #include <functional>
21 #include <string>
22 #include <set>
23 
24 #include "store_observer.h"
25 #include "store_types.h"
26 
27 typedef struct sqlite3 sqlite3;
28 
29 struct ClientChangedData {
30     std::map<std::string, DistributedDB::ChangeProperties> tableData;
31 };
32 
33 using ClientObserver = std::function<void(ClientChangedData &clientChangedData)>;
34 using StoreObserver = DistributedDB::StoreObserver;
35 
36 DB_API DistributedDB::DBStatus RegisterClientObserver(sqlite3 *db, const ClientObserver &clientObserver);
37 
38 DB_API DistributedDB::DBStatus UnRegisterClientObserver(sqlite3 *db);
39 
40 DB_API DistributedDB::DBStatus RegisterStoreObserver(sqlite3 *db, const std::shared_ptr<StoreObserver> &storeObserver);
41 
42 DB_API DistributedDB::DBStatus UnregisterStoreObserver(sqlite3 *db,
43     const std::shared_ptr<StoreObserver> &storeObserver);
44 
45 DB_API DistributedDB::DBStatus UnregisterStoreObserver(sqlite3 *db);
46 
47 DB_API DistributedDB::DBStatus DropLogicDeletedData(sqlite3 *db, const std::string &tableName, uint64_t cursor);
48 
49 DB_API DistributedDB::DBStatus Lock(const std::string &tableName, const std::vector<std::vector<uint8_t>> &hashKey,
50     sqlite3 *db);
51 
52 DB_API DistributedDB::DBStatus UnLock(const std::string &tableName, const std::vector<std::vector<uint8_t>> &hashKey,
53     sqlite3 *db);
54 #endif // RELATIONAL_STORE_CLIENT_H
55