1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski #ifndef CONNECTIVITY_SKIPDELETEDSSET_HXX 24*b1cdbd2cSJim Jagielski #define CONNECTIVITY_SKIPDELETEDSSET_HXX 25*b1cdbd2cSJim Jagielski 26*b1cdbd2cSJim Jagielski #include "TResultSetHelper.hxx" 27*b1cdbd2cSJim Jagielski #include <rtl/alloc.h> 28*b1cdbd2cSJim Jagielski #include <hash_map> 29*b1cdbd2cSJim Jagielski #include <vector> 30*b1cdbd2cSJim Jagielski #include "connectivity/dbtoolsdllapi.hxx" 31*b1cdbd2cSJim Jagielski 32*b1cdbd2cSJim Jagielski namespace connectivity 33*b1cdbd2cSJim Jagielski { 34*b1cdbd2cSJim Jagielski /** 35*b1cdbd2cSJim Jagielski the class OSkipDeletedSet supports a general method to skip deleted rows 36*b1cdbd2cSJim Jagielski */ 37*b1cdbd2cSJim Jagielski class OOO_DLLPUBLIC_DBTOOLS OSkipDeletedSet 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski ::std::vector<sal_Int32> m_aBookmarksPositions;// vector of iterators to position map, the order is the logical position 40*b1cdbd2cSJim Jagielski IResultSetHelper* m_pHelper; // used for moving in the resultset 41*b1cdbd2cSJim Jagielski bool m_bDeletedVisible; 42*b1cdbd2cSJim Jagielski 43*b1cdbd2cSJim Jagielski sal_Bool moveAbsolute(sal_Int32 _nOffset,sal_Bool _bRetrieveData); 44*b1cdbd2cSJim Jagielski public: 45*b1cdbd2cSJim Jagielski OSkipDeletedSet(IResultSetHelper* _pHelper); 46*b1cdbd2cSJim Jagielski ~OSkipDeletedSet(); 47*b1cdbd2cSJim Jagielski operator new(size_t nSize)48*b1cdbd2cSJim Jagielski inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () ) 49*b1cdbd2cSJim Jagielski { return ::rtl_allocateMemory( nSize ); } operator new(size_t,void * _pHint)50*b1cdbd2cSJim Jagielski inline static void * SAL_CALL operator new( size_t,void* _pHint ) SAL_THROW( () ) 51*b1cdbd2cSJim Jagielski { return _pHint; } operator delete(void * pMem)52*b1cdbd2cSJim Jagielski inline static void SAL_CALL operator delete( void * pMem ) SAL_THROW( () ) 53*b1cdbd2cSJim Jagielski { ::rtl_freeMemory( pMem ); } operator delete(void *,void *)54*b1cdbd2cSJim Jagielski inline static void SAL_CALL operator delete( void *,void* ) SAL_THROW( () ) 55*b1cdbd2cSJim Jagielski { } 56*b1cdbd2cSJim Jagielski 57*b1cdbd2cSJim Jagielski /** 58*b1cdbd2cSJim Jagielski skipDeleted moves the resultset to the position defined by the parameters 59*b1cdbd2cSJim Jagielski it garantees that the row isn't deleted 60*b1cdbd2cSJim Jagielski @param 61*b1cdbd2cSJim Jagielski IResultSetHelper::Movement _eCursorPosition in which direction the resultset should be moved 62*b1cdbd2cSJim Jagielski sal_Int32 _nOffset the position relativ to the movement 63*b1cdbd2cSJim Jagielski sal_Bool _bRetrieveData is true when the current row should be filled which data 64*b1cdbd2cSJim Jagielski @return 65*b1cdbd2cSJim Jagielski true when the movement was successful otherwise false 66*b1cdbd2cSJim Jagielski */ 67*b1cdbd2cSJim Jagielski sal_Bool skipDeleted(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, sal_Bool _bRetrieveData); 68*b1cdbd2cSJim Jagielski /** 69*b1cdbd2cSJim Jagielski clear the map and the vector used in this class 70*b1cdbd2cSJim Jagielski */ 71*b1cdbd2cSJim Jagielski void clear(); 72*b1cdbd2cSJim Jagielski /** 73*b1cdbd2cSJim Jagielski getMappedPosition returns the mapped position of a logical position 74*b1cdbd2cSJim Jagielski @param 75*b1cdbd2cSJim Jagielski sal_Int32 _nBookmark the logical position 76*b1cdbd2cSJim Jagielski 77*b1cdbd2cSJim Jagielski @return the mapped position 78*b1cdbd2cSJim Jagielski */ 79*b1cdbd2cSJim Jagielski sal_Int32 getMappedPosition(sal_Int32 _nBookmark) const; 80*b1cdbd2cSJim Jagielski /** 81*b1cdbd2cSJim Jagielski insertNewPosition adds a new position to the map 82*b1cdbd2cSJim Jagielski @param 83*b1cdbd2cSJim Jagielski sal_Int32 _nPos the logical position 84*b1cdbd2cSJim Jagielski */ 85*b1cdbd2cSJim Jagielski void insertNewPosition(sal_Int32 _nPos); 86*b1cdbd2cSJim Jagielski /** 87*b1cdbd2cSJim Jagielski deletePosition deletes this position from the map and decrement all following positions 88*b1cdbd2cSJim Jagielski @param 89*b1cdbd2cSJim Jagielski sal_Int32 _nPos the logical position 90*b1cdbd2cSJim Jagielski */ 91*b1cdbd2cSJim Jagielski void deletePosition(sal_Int32 _nPos); 92*b1cdbd2cSJim Jagielski /** 93*b1cdbd2cSJim Jagielski getLastPosition returns the last position 94*b1cdbd2cSJim Jagielski @return the last position 95*b1cdbd2cSJim Jagielski */ getLastPosition() const96*b1cdbd2cSJim Jagielski inline sal_Int32 getLastPosition() const { return m_aBookmarksPositions.size(); } SetDeletedVisible(bool _bDeletedVisible)97*b1cdbd2cSJim Jagielski inline void SetDeletedVisible(bool _bDeletedVisible) { m_bDeletedVisible = _bDeletedVisible; } 98*b1cdbd2cSJim Jagielski }; 99*b1cdbd2cSJim Jagielski } 100*b1cdbd2cSJim Jagielski #endif // CONNECTIVITY_SKIPDELETEDSSET_HXX 101*b1cdbd2cSJim Jagielski 102