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 ICLOUD_DB_H
17 #define ICLOUD_DB_H
18 
19 #include <cstdint>
20 #include <functional>
21 #include <memory>
22 #include <string>
23 #include <vector>
24 #include "cloud/cloud_store_types.h"
25 
26 namespace DistributedDB {
27 class ICloudDb {
28 public:
~ICloudDb()29     virtual ~ICloudDb() {};
30     /**
31      ** param[in & out] extend: will fill gid after insert ok
32     **/
33     virtual DBStatus BatchInsert(const std::string &tableName, std::vector<VBucket> &&record,
34         std::vector<VBucket> &extend) = 0;
35     virtual DBStatus BatchUpdate(const std::string &tableName, std::vector<VBucket> &&record,
36         std::vector<VBucket> &extend) = 0;
37     virtual DBStatus BatchDelete(const std::string &tableName, std::vector<VBucket> &extend) = 0;
38     /**
39      ** param[out] data: query data
40     **/
41     virtual DBStatus Query(const std::string &tableName, VBucket &extend, std::vector<VBucket> &data) = 0;
42     virtual std::pair<DBStatus, std::string> GetEmptyCursor(const std::string &tableName) = 0;
43     virtual std::pair<DBStatus, uint32_t> Lock() = 0;
44     virtual DBStatus UnLock() = 0;
45     virtual DBStatus HeartBeat() = 0;
46     virtual DBStatus Close() = 0;
SetPrepareTraceId(const std::string & traceId)47     virtual void SetPrepareTraceId(const std::string &traceId)
48     {
49         this->prepareTraceId = traceId;
50     }
GetPrepareTraceId()51     virtual std::string GetPrepareTraceId()
52     {
53         return this->prepareTraceId;
54     }
55 private:
56     std::string prepareTraceId;
57 };
58 } // namespace DistributedDB
59 
60 #endif // ICLOUD_DB_H
61