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 OHOS_DISTRIBUTED_DATA_DATAMGR_SERVICE_RDB_ASSET_LOADER_H
17 #define OHOS_DISTRIBUTED_DATA_DATAMGR_SERVICE_RDB_ASSET_LOADER_H
18 
19 #include "snapshot/snapshot.h"
20 #include "cloud/asset_loader.h"
21 #include "cloud/cloud_store_types.h"
22 #include "cloud/iAssetLoader.h"
23 #include "error/general_error.h"
24 
25 namespace OHOS::DistributedRdb {
26 class RdbAssetLoader : public DistributedDB::IAssetLoader {
27 public:
28     using Type = DistributedDB::Type;
29     using Asset = DistributedDB::Asset;
30     using DBStatus = DistributedDB::DBStatus;
31     using BindAssets = DistributedData::BindAssets;
32 
33     explicit RdbAssetLoader(std::shared_ptr<DistributedData::AssetLoader> cloudAssetLoader, BindAssets* bindAssets);
34 
35     ~RdbAssetLoader() = default;
36 
37     DBStatus Download(const std::string &tableName, const std::string &gid, const Type &prefix,
38         std::map<std::string, std::vector<Asset>> &assets) override;
39 
40     DBStatus RemoveLocalAssets(const std::vector<Asset> &assets) override;
41 
42 private:
43     std::shared_ptr<DistributedData::AssetLoader> assetLoader_;
44     BindAssets* snapshots_;
45     void PostEvent(std::set<std::string>& skipAssets, std::map<std::string, DistributedData::Value>& assets,
46         DistributedData::AssetEvent eventId, std::set<std::string>& deleteAssets);
47     void PostEvent(DistributedData::AssetEvent eventId, DistributedData::Assets& assets,
48         std::set<std::string>& skipAssets, std::set<std::string>& deleteAssets);
49 };
50 } // namespace OHOS::DistributedRdb
51 #endif // OHOS_DISTRIBUTED_DATA_DATAMGR_SERVICE_RDB_ASSET_LOADER_H