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 #ifndef ARKDATA_INTELLIGENCE_PLATFORM_TRANSACTION_IMPL_H 16 #define ARKDATA_INTELLIGENCE_PLATFORM_TRANSACTION_IMPL_H 17 18 #include <memory> 19 #include <mutex> 20 #include <vector> 21 22 #include "connection.h" 23 #include "gdb_store_config.h" 24 #include "gdb_transaction.h" 25 #include "result.h" 26 27 namespace OHOS::DistributedDataAip { 28 class DBStore; 29 class TransactionImpl : public Transaction { 30 public: 31 TransactionImpl(std::shared_ptr<Connection> connection); 32 ~TransactionImpl() override; 33 34 int32_t Commit() override; 35 int32_t Rollback() override; 36 int32_t Close() override; 37 38 std::pair<int32_t, std::shared_ptr<Result>> Query(const std::string &gql) override; 39 std::pair<int32_t, std::shared_ptr<Result>> Execute(const std::string &gql) override; 40 41 static std::pair<int32_t, std::shared_ptr<Transaction>> Create(std::shared_ptr<Connection> conn); 42 43 private: 44 int32_t Start(); 45 int32_t CloseInner(); 46 std::shared_ptr<DBStore> GetStore(); 47 48 std::recursive_mutex mutex_; 49 std::shared_ptr<DBStore> store_; 50 std::shared_ptr<Connection> connection_; 51 52 static const int32_t regCreator_; 53 }; 54 } // namespace OHOS::DistributedDataAip 55 #endif 56