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 16 #ifndef RELATIONAL_STORE_DELEGATE_H 17 #define RELATIONAL_STORE_DELEGATE_H 18 19 #include <map> 20 #include <memory> 21 #include "distributeddb/result_set.h" 22 #include "query.h" 23 #include "store_types.h" 24 #include "store_observer.h" 25 26 namespace DistributedDB { 27 class RelationalStoreDelegate { 28 public: 29 DB_API virtual ~RelationalStoreDelegate() = default; 30 31 struct Option { 32 StoreObserver *observer = nullptr; 33 // communicator label use dualTuple hash or not; 34 bool syncDualTupleMode = false; 35 bool isEncryptedDb = false; 36 CipherType cipher = CipherType::DEFAULT; 37 CipherPassword passwd; 38 uint32_t iterateTimes = 0; 39 }; 40 41 DB_API virtual DBStatus CreateDistributedTable(const std::string &tableName) = 0; 42 43 DB_API virtual DBStatus Sync(const std::vector<std::string> &devices, SyncMode mode, 44 const Query &query, const SyncStatusCallback &onComplete, bool wait) = 0; 45 46 DB_API virtual DBStatus RemoveDeviceData(const std::string &device) = 0; 47 48 DB_API virtual DBStatus RemoveDeviceData(const std::string &device, const std::string &tableName) = 0; 49 50 // timeout is in ms. 51 DB_API virtual DBStatus RemoteQuery(const std::string &device, const RemoteCondition &condition, 52 uint64_t timeout, std::shared_ptr<ResultSet> &result) = 0; 53 }; 54 } // namespace DistributedDB 55 #endif // RELATIONAL_STORE_DELEGATE_H