Transaction.h

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/*
 * 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;
 
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