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 UDMF_RUNTIMESTORE_H 17 #define UDMF_RUNTIMESTORE_H 18 19 #include "store.h" 20 #include "kv_store_delegate_manager.h" 21 #include "metadata/store_meta_data.h" 22 #include "visibility.h" 23 24 namespace OHOS { 25 namespace UDMF { 26 class API_EXPORT RuntimeStore final : public Store { 27 public: 28 explicit RuntimeStore(const std::string &storeId); 29 ~RuntimeStore(); 30 Status Put(const UnifiedData &unifiedData) override; 31 Status Get(const std::string &key, UnifiedData &unifiedData) override; 32 Status GetSummary(const std::string &key, Summary &summary) override; 33 Status Update(const UnifiedData &unifiedData) override; 34 Status Delete(const std::string &key) override; 35 Status DeleteBatch(const std::vector<std::string> &unifiedKeys) override; 36 Status Sync(const std::vector<std::string> &devices) override; 37 Status Clear() override; 38 Status GetBatchData(const std::string &dataPrefix, std::vector<UnifiedData> &unifiedDataSet) override; 39 Status PutLocal(const std::string &key, const std::string &value) override; 40 Status GetLocal(const std::string &key, std::string &value) override; 41 Status DeleteLocal(const std::string &key) override; 42 void Close() override; 43 bool Init() override; 44 45 private: 46 static constexpr const char *DATA_PREFIX = "udmf://"; 47 static constexpr std::int32_t SLASH_COUNT_IN_KEY = 4; 48 static constexpr std::int32_t MAX_BATCH_SIZE = 128; 49 std::shared_ptr<DistributedDB::KvStoreDelegateManager> delegateManager_ = nullptr; 50 std::shared_ptr<DistributedDB::KvStoreNbDelegate> kvStore_; 51 std::string storeId_; 52 void SetDelegateManager(const std::string &dataDir, const std::string &appId, const std::string &userId, 53 const std::string &subUser); 54 bool SaveMetaData(); 55 Status GetEntries(const std::string &dataPrefix, std::vector<DistributedDB::Entry> &entries); 56 Status PutEntries(const std::vector<DistributedDB::Entry> &entries); 57 Status DeleteEntries(const std::vector<DistributedDB::Key> &keys); 58 Status UnmarshalEntries( 59 const std::string &key, std::vector<DistributedDB::Entry> &entries, UnifiedData &unifiedData); 60 bool GetDetailsFromUData(UnifiedData &data, UDDetails &details); 61 Status GetSummaryFromDetails(const UDDetails &details, Summary &summary); 62 bool BuildMetaDataParam(DistributedData::StoreMetaData &metaData); 63 }; 64 } // namespace UDMF 65 } // namespace OHOS 66 #endif // UDMF_RUNTIMESTORE_H 67