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 #ifndef RELATIONAL_VIRTUAL_DEVICE_H
16 #define RELATIONAL_VIRTUAL_DEVICE_H
17 #ifdef RELATIONAL_STORE
18 
19 #include "data_transformer.h"
20 #include "db_common.h"
21 #include "generic_virtual_device.h"
22 #include "relational_schema_object.h"
23 #include "virtual_relational_ver_sync_db_interface.h"
24 
25 namespace DistributedDB {
26 class RelationalVirtualDevice final : public GenericVirtualDevice {
27 public:
28     explicit RelationalVirtualDevice(const std::string &deviceId);
29     ~RelationalVirtualDevice() override;
30 
31     int PutData(const std::string &tableName, const std::vector<VirtualRowData> &dataList);
32     int GetAllSyncData(const std::string &tableName, std::vector<VirtualRowData> &data);
33     int GetSyncData(const std::string &tableName, const std::string &hashKey, VirtualRowData &data);
34     void SetLocalFieldInfo(const std::vector<FieldInfo> &localFieldInfo);
35     void SetTableInfo(const TableInfo &tableInfo);
36     int Sync(SyncMode mode, bool wait) override;
37     void EraseSyncData(const std::string &tableName);
38 
39     template<typename T>
PutDeviceData(const std::string & tableName,const std::vector<T> & data)40     void PutDeviceData(const std::string &tableName, const std::vector<T> &data)
41     {
42         std::vector<VirtualRowData> dataList;
43         for (const auto &it : data) {
44             dataList.emplace_back(it());
45         }
46         this->PutData(tableName, dataList);
47     }
48 };
49 }
50 #endif
51 #endif // RELATIONAL_VIRTUAL_DEVICE_H
52