File indexing completed on 2025-01-05 03:54:00
0001 /* ============================================================ 0002 * 0003 * This file is a part of digiKam project 0004 * https://www.digikam.org 0005 * 0006 * Date : 2007-03-23 0007 * Description : Core database convenience object for transactions. 0008 * 0009 * SPDX-FileCopyrightText: 2007-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de> 0010 * 0011 * SPDX-License-Identifier: GPL-2.0-or-later 0012 * 0013 * ============================================================ */ 0014 0015 #ifndef DIGIKAM_CORE_DB_TRANSACTION_H 0016 #define DIGIKAM_CORE_DB_TRANSACTION_H 0017 0018 // Local includes 0019 0020 #include "digikam_export.h" 0021 0022 namespace Digikam 0023 { 0024 0025 class CoreDbAccess; 0026 0027 /** 0028 * Convenience class: You can create a CoreDbTransaction object for a scope for which 0029 * you want to declare a database commit. 0030 * Equivalent to calling beginTransaction and commitTransaction on the album db. 0031 */ 0032 class DIGIKAM_DATABASE_EXPORT CoreDbTransaction 0033 { 0034 public: 0035 0036 /** 0037 * Retrieve a CoreDbAccess object each time when constructing and destructing. 0038 */ 0039 CoreDbTransaction(); 0040 0041 /** 0042 * Use an existing CoreDbAccess object, which must live as long as this object exists. 0043 */ 0044 explicit CoreDbTransaction(CoreDbAccess* const access); 0045 ~CoreDbTransaction(); 0046 0047 private: 0048 0049 CoreDbAccess* m_access; 0050 }; 0051 0052 } // namespace Digikam 0053 0054 #endif // DIGIKAM_CORE_DB_TRANSACTION_H