From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- connectivity/source/inc/TSkipDeletedSet.hxx | 80 +++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 connectivity/source/inc/TSkipDeletedSet.hxx (limited to 'connectivity/source/inc/TSkipDeletedSet.hxx') diff --git a/connectivity/source/inc/TSkipDeletedSet.hxx b/connectivity/source/inc/TSkipDeletedSet.hxx new file mode 100644 index 000000000..efe142af5 --- /dev/null +++ b/connectivity/source/inc/TSkipDeletedSet.hxx @@ -0,0 +1,80 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#pragma once + +#include "TResultSetHelper.hxx" +#include +#include + +namespace connectivity +{ + /** + the class OSkipDeletedSet supports a general method to skip deleted rows + */ + class OOO_DLLPUBLIC_DBTOOLS OSkipDeletedSet + { + std::vector m_aBookmarksPositions;// vector of iterators to position map, the order is the logical position + IResultSetHelper* m_pHelper; // used for moving in the resultset + bool m_bDeletedVisible; + + bool moveAbsolute(sal_Int32 _nOffset,bool _bRetrieveData); + public: + OSkipDeletedSet(IResultSetHelper* _pHelper); + ~OSkipDeletedSet(); + + /** + skipDeleted moves the resultset to the position defined by the parameters + it guarantees that the row isn't deleted + @param + IResultSetHelper::Movement _eCursorPosition in which direction the resultset should be moved + sal_Int32 _nOffset the position relative to the movement + sal_Bool _bRetrieveData is true when the current row should be filled which data + @return + true when the movement was successful otherwise false + */ + bool skipDeleted(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, bool _bRetrieveData); + /** + clear the map and the vector used in this class + */ + void clear(); + /** + getMappedPosition returns the mapped position of a logical position + @param + sal_Int32 _nBookmark the logical position + + @return the mapped position + */ + sal_Int32 getMappedPosition(sal_Int32 _nBookmark) const; + /** + insertNewPosition adds a new position to the map + @param + sal_Int32 _nPos the logical position + */ + void insertNewPosition(sal_Int32 _nPos); + /** + deletePosition deletes this position from the map and decrement all following positions + @param + sal_Int32 _nPos the logical position + */ + void deletePosition(sal_Int32 _nPos); + void SetDeletedVisible(bool _bDeletedVisible) { m_bDeletedVisible = _bDeletedVisible; } + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3