| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2023 Carl Zeiss Microscopy GmbH | ||
| 2 | // | ||
| 3 | // SPDX-License-Identifier: MIT | ||
| 4 | |||
| 5 | #pragma once | ||
| 6 | |||
| 7 | namespace imgdoc2 | ||
| 8 | { | ||
| 9 | /// \brief Interface for controlling database transactions. | ||
| 10 | /// | ||
| 11 | /// A transaction is started with calling into BeginTransaction. All write/modify-operations after this | ||
| 12 | /// call are then part of the transaction. The transaction is then completed by calling CommitTransaction, | ||
| 13 | /// or dismissed by calling into RollbackTransaction. | ||
| 14 | /// Note that nested transactions are not supported. | ||
| 15 | class IDatabaseTransaction | ||
| 16 | { | ||
| 17 | public: | ||
| 18 | /// Begins a transaction. Nested transactions are not allowed, calling BeginTransaction multiple times | ||
| 19 | /// (i.e. without ending the transaction) results in an exception. | ||
| 20 | virtual void BeginTransaction() = 0; | ||
| 21 | |||
| 22 | /// Commits a pending transaction. | ||
| 23 | virtual void CommitTransaction() = 0; | ||
| 24 | |||
| 25 | |||
| 26 | /// Rolls back a pending transaction. | ||
| 27 | virtual void RollbackTransaction() = 0; | ||
| 28 | 264 | virtual ~IDatabaseTransaction() = default; | |
| 29 | public: | ||
| 30 | // no copy and no move (-> https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c21-if-you-define-or-delete-any-copy-move-or-destructor-function-define-or-delete-them-all ) | ||
| 31 | 132 | IDatabaseTransaction() = default; | |
| 32 | IDatabaseTransaction(const IDatabaseTransaction&) = delete; // copy constructor | ||
| 33 | IDatabaseTransaction& operator=(const IDatabaseTransaction&) = delete; // copy assignment | ||
| 34 | IDatabaseTransaction(IDatabaseTransaction&&) = delete; // move constructor | ||
| 35 | IDatabaseTransaction& operator=(IDatabaseTransaction&&) = delete; // move assignment | ||
| 36 | }; | ||
| 37 | } | ||
| 38 |