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
16 #define LOG_TAG "RdbLocalDbObserver"
17 #include "rdb_local_db_observer.h"
18
19 #include "raw_data_parser.h"
20 #include "value_object.h"
21
22 namespace OHOS {
23 namespace NativeRdb {
24 using namespace OHOS::DistributedRdb;
25
OnChange(DistributedDB::StoreObserver::StoreChangedInfo && data)26 void RdbStoreLocalDbObserver::OnChange(DistributedDB::StoreObserver::StoreChangedInfo &&data)
27 {
28 RdbStoreObserver::ChangeInfo changeInfo;
29 for (const auto &dataInfo : data) {
30 Convert(dataInfo, changeInfo, RdbStoreObserver::ChangeType::CHG_TYPE_INSERT);
31 Convert(dataInfo, changeInfo, RdbStoreObserver::ChangeType::CHG_TYPE_UPDATE);
32 Convert(dataInfo, changeInfo, RdbStoreObserver::ChangeType::CHG_TYPE_DELETE);
33 }
34 Origin origin;
35 RdbStoreObserver::PrimaryFields fields;
36 observer_->OnChange(origin, fields, std::move(changeInfo));
37 }
38
Convert(const DistributedDB::ChangedData & dataInfo,RdbStoreObserver::ChangeInfo & changeInfo,RdbStoreObserver::ChangeType changeType)39 void RdbStoreLocalDbObserver::Convert(const DistributedDB::ChangedData &dataInfo,
40 RdbStoreObserver::ChangeInfo &changeInfo, RdbStoreObserver::ChangeType changeType)
41 {
42 if (changeType < RdbStoreObserver::ChangeType::CHG_TYPE_INSERT ||
43 changeType >= RdbStoreObserver::ChangeType::CHG_TYPE_BUTT) {
44 return;
45 }
46 changeInfo.try_emplace(dataInfo.tableName);
47 for (const auto &primary : dataInfo.primaryData[changeType]) {
48 RdbStoreObserver::PrimaryKey primaryKey;
49 RawDataParser::Convert(std::move(primary[0]), primaryKey);
50 changeInfo[dataInfo.tableName][changeType].push_back(std::move(primaryKey));
51 }
52 }
53
54 } // namespace NativeRdb
55 } // namespace OHOS