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 #ifndef OHOS_DISTRIBUTED_DATA_NATIVE_GDB_GRAPH_CONNECTION_H 17 #define OHOS_DISTRIBUTED_DATA_NATIVE_GDB_GRAPH_CONNECTION_H 18 19 #include <memory> 20 #include <mutex> 21 #include <vector> 22 23 #include "connection.h" 24 #include "gdb_store_config.h" 25 #include "grd_adapter.h" 26 27 namespace OHOS::DistributedDataAip { 28 class GraphConnection : public Connection { 29 public: 30 static std::pair<int32_t, std::shared_ptr<Connection>> Create(const StoreConfig &config, bool isWriter); 31 GraphConnection(const StoreConfig &config, bool isWriter); 32 ~GraphConnection() override; 33 std::pair<int32_t, Stmt> CreateStatement(const std::string &gql, std::shared_ptr<Connection> conn) override; 34 DBType GetDBType() const override; 35 bool IsWriter() const override; 36 37 private: 38 static constexpr uint32_t NO_ITER = 0; 39 static constexpr uint32_t ITER_V1 = 5000; 40 static constexpr uint32_t ITERS[] = { NO_ITER, ITER_V1 }; 41 static constexpr uint32_t ITERS_COUNT = sizeof(ITERS) / sizeof(ITERS[0]); 42 43 static const int32_t regCreator_; 44 45 int InnerOpen(const StoreConfig &config); 46 int32_t ResetKey(const StoreConfig &config); 47 bool IsEncryptInvalidChanged(const StoreConfig &config); 48 GRD_DB *dbHandle_ = nullptr; 49 const StoreConfig config_; 50 bool isWriter_ = false; 51 }; 52 53 } // namespace OHOS::DistributedDataAip 54 55 #endif // OHOS_DISTRIBUTED_DATA_NATIVE_GDB_GRAPH_CONNECTION_H 56