1 /* 2 * Copyright (c) 2025 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 ARKDATA_INTELLIGENCE_PLATFORM_TRANS_DB_H 17 #define ARKDATA_INTELLIGENCE_PLATFORM_TRANS_DB_H 18 #include <memory> 19 20 #include "connection.h" 21 #include "gdb_store.h" 22 #include "graph_statement.h" 23 namespace OHOS::DistributedDataAip { 24 class TransDB : public DBStore { 25 public: 26 TransDB(std::shared_ptr<Connection> connection); 27 std::pair<int32_t, std::shared_ptr<Result>> QueryGql(const std::string &gql) override; 28 std::pair<int32_t, std::shared_ptr<Result>> ExecuteGql(const std::string &gql) override; 29 30 std::pair<int32_t, std::shared_ptr<Transaction>> CreateTransaction() override; 31 int32_t Close() override; 32 33 private: 34 std::pair<int32_t, std::shared_ptr<Statement>> GetStatement(const std::string &gql) const; 35 36 std::weak_ptr<Connection> conn_; 37 }; 38 } // namespace OHOS::DistributedDataAip 39 #endif // ARKDATA_INTELLIGENCE_PLATFORM_TRANS_DB_H