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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /connectivity/source/inc/TSkipDeletedSet.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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 <vector>
+#include <connectivity/dbtoolsdllapi.hxx>
+
+namespace connectivity
+{
+ /**
+ the class OSkipDeletedSet supports a general method to skip deleted rows
+ */
+ class OOO_DLLPUBLIC_DBTOOLS OSkipDeletedSet
+ {
+ std::vector<sal_Int32> 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: */