1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
|
/*
* SPDX-License-Identifier: GPL-2.0-or-later
* SPDX-FileName: Transaction.h
* SPDX-FileContributor: Dmitry Vedenko
*/
#pragma once
#include <string>
#include <string_view>
#include "Error.h"
namespace audacity::sqlite
{
class Connection;
//! A class representing a transaction in SQLite
class SQLITE_HELPERS_API Transaction final
{
friend class Connection;
enum class TransactionOperation
{
BeginOp,
CommitOp,
RollbackOp,
};
using TransactionHandler = Error (*)(Connection&, TransactionOperation, Transaction&);
Transaction(
Connection& connection, TransactionHandler handler,
std::string_view name) noexcept;
public:
Transaction(const Transaction&) = delete;
Transaction(Transaction&&) = delete;
Transaction& operator=(const Transaction&) = delete;
Transaction& operator=(Transaction&&) = delete;
~Transaction();
Error GetBeginResult() const noexcept;
bool IsOpen() const noexcept;
Error Commit() noexcept;
Error Abort() noexcept;
private:
Connection& mConnection;
TransactionHandler mHandler;
std::string mName;
Error mBeginResult {};
bool mCommitted {};
};
} // namespace audacity::sqlite
|