1 /*
2  * Copyright (c) 2024 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 #ifndef I_STORAGE_HANDLE_H
16 #define I_STORAGE_HANDLE_H
17 
18 #include "sqlite_single_ver_storage_executor.h"
19 
20 namespace DistributedDB {
21 class KvStorageHandle {
22 public:
23     KvStorageHandle() = default;
24     virtual ~KvStorageHandle() = default;
25 
26     virtual std::pair<int, SQLiteSingleVerStorageExecutor*> GetStorageExecutor(bool isWrite) = 0;
27 
28     virtual void RecycleStorageExecutor(SQLiteSingleVerStorageExecutor *executor) = 0;
29 
30     virtual int GetMetaData(const Key &key, Value &value) const = 0;
31 
32     virtual int PutMetaData(const Key &key, const Value &value, bool isInTransaction) = 0;
33 
34     virtual TimeOffset GetLocalTimeOffsetForCloud() = 0;
35 
36     virtual Timestamp GetCurrentTimestamp(bool needStartSync = true) = 0;
37 };
38 }
39 #endif // I_STORAGE_HANDLE_H
40