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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "TSkipDeletedSet.hxx"
#include <osl/diagnose.h>
#include <rtl/logfile.hxx>
#include <algorithm>
using namespace connectivity;
// -----------------------------------------------------------------------------
OSkipDeletedSet::OSkipDeletedSet(IResultSetHelper* _pHelper)
: m_pHelper(_pHelper)
,m_bDeletedVisible(false)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::OSkipDeletedSet" );
m_aBookmarksPositions.reserve(256);
}
// -----------------------------------------------------------------------------
OSkipDeletedSet::~OSkipDeletedSet()
{
m_aBookmarksPositions.clear();
//m_aBookmarks.clear();
}
// -----------------------------------------------------------------------------
sal_Bool OSkipDeletedSet::skipDeleted(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, sal_Bool _bRetrieveData)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::skipDeleted" );
OSL_ENSURE(_eCursorPosition != IResultSetHelper::BOOKMARK,"OSkipDeletedSet::SkipDeleted can't be called for BOOKMARK");
IResultSetHelper::Movement eDelPosition = _eCursorPosition;
sal_Int32 nDelOffset = abs(_nOffset);
switch (_eCursorPosition)
{
case IResultSetHelper::ABSOLUTE:
return moveAbsolute(_nOffset,_bRetrieveData);
case IResultSetHelper::FIRST: // set the movement when positioning failed
eDelPosition = IResultSetHelper::NEXT;
nDelOffset = 1;
break;
case IResultSetHelper::LAST:
eDelPosition = IResultSetHelper::PRIOR; // last row is invalid so position before
nDelOffset = 1;
break;
case IResultSetHelper::RELATIVE:
eDelPosition = (_nOffset >= 0) ? IResultSetHelper::NEXT : IResultSetHelper::PRIOR;
break;
default:
break;
}
sal_Bool bDone = sal_True;
sal_Bool bDataFound = sal_False;
if (_eCursorPosition == IResultSetHelper::LAST)
{
RTL_LOGFILE_CONTEXT_TRACE( aLogger, "OSkipDeletedSet::skipDeleted: last" );
sal_Int32 nBookmark = 0;
// first position on the last known row
if ( m_aBookmarksPositions.empty() )
{
bDataFound = m_pHelper->move(IResultSetHelper::FIRST, 0, _bRetrieveData);
if(bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted()))
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
}
else
{
// I already have a bookmark so we can positioned on that and look if it is the last one
nBookmark = (*m_aBookmarksPositions.rbegin())/*->first*/;
bDataFound = m_pHelper->move(IResultSetHelper::BOOKMARK, nBookmark, _bRetrieveData);
OSL_ENSURE((m_bDeletedVisible || !m_pHelper->isRowDeleted()),"A bookmark should not be deleted!");
}
// and than move forward until we are after the last row
while(bDataFound)
{
bDataFound = m_pHelper->move(IResultSetHelper::NEXT, 1, sal_False); // we don't need the data here
if( bDataFound && ( m_bDeletedVisible || !m_pHelper->isRowDeleted()) )
{ // we weren't on the last row we remember it and move on
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
}
else if(!bDataFound && !m_aBookmarksPositions.empty() )
{
// i already know the last bookmark :-)
// now we only have to repositioning us to the last row
nBookmark = (*m_aBookmarksPositions.rbegin())/*->first*/;
bDataFound = m_pHelper->move(IResultSetHelper::BOOKMARK, nBookmark, _bRetrieveData);
break;
}
}
return bDataFound;
}
else if (_eCursorPosition != IResultSetHelper::RELATIVE)
{
bDataFound = m_pHelper->move(_eCursorPosition, _nOffset, _bRetrieveData);
bDone = bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted());
}
else
{
bDataFound = m_pHelper->move(eDelPosition, 1, _bRetrieveData);
if (bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted()))
{
bDone = (--nDelOffset) == 0;
if ( !bDone )
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
}
else
bDone = sal_False;
}
while (bDataFound && !bDone) // solange iterieren bis man auf einem gueltigen Satz ist
{
bDataFound = m_pHelper->move(eDelPosition, 1, _bRetrieveData);
if (_eCursorPosition != IResultSetHelper::RELATIVE)
bDone = bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted());
else if (bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted()))
{
bDone = (--nDelOffset) == 0;
if ( !bDone )
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
}
else
bDone = sal_False;
}
if(bDataFound && bDone)
{
const sal_Int32 nDriverPos = m_pHelper->getDriverPos();
if ( m_bDeletedVisible )
{
if ( nDriverPos > (sal_Int32)m_aBookmarksPositions.size() )
m_aBookmarksPositions.push_back(nDriverPos);
}
else if ( ::std::find(m_aBookmarksPositions.begin(),m_aBookmarksPositions.end(),nDriverPos) == m_aBookmarksPositions.end() )
m_aBookmarksPositions.push_back(nDriverPos);
/*sal_Int32 nDriverPos = m_pHelper->getDriverPos();
if(m_aBookmarks.find(nDriverPos) == m_aBookmarks.end())
m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(nDriverPos,m_aBookmarksPositions.size()+1)).first);*/
}
return bDataFound;
}
// -------------------------------------------------------------------------
sal_Bool OSkipDeletedSet::moveAbsolute(sal_Int32 _nPos,sal_Bool _bRetrieveData)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::moveAbsolute" );
sal_Bool bDataFound = sal_False;
sal_Int32 nNewPos = _nPos;
if(nNewPos > 0)
{
if((sal_Int32)m_aBookmarksPositions.size() < nNewPos)
{
// bookmark isn't known yet
// start at the last known position
sal_Int32 nCurPos = 0,nLastBookmark = 1;
if ( m_aBookmarksPositions.empty() )
{
bDataFound = m_pHelper->move(IResultSetHelper::FIRST, 0, _bRetrieveData );
if(bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted()))
{
++nCurPos;
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
--nNewPos;
}
} // if ( m_aBookmarksPositions.empty() )
else
{
nLastBookmark = (*m_aBookmarksPositions.rbegin())/*->first*/;
nCurPos = /*(**/m_aBookmarksPositions.size()/*->second*/;
nNewPos = nNewPos - nCurPos;
bDataFound = m_pHelper->move(IResultSetHelper::BOOKMARK, nLastBookmark, _bRetrieveData);
}
// now move to that row we need and don't count deleted rows
while (bDataFound && nNewPos)
{
bDataFound = m_pHelper->move(IResultSetHelper::NEXT, 1, _bRetrieveData);
if(bDataFound && (m_bDeletedVisible || !m_pHelper->isRowDeleted()))
{
++nCurPos;
m_aBookmarksPositions.push_back(m_pHelper->getDriverPos());
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(m_pHelper->getDriverPos(),m_aBookmarksPositions.size()+1)).first);
--nNewPos;
}
}
}
else
{
const sal_Int32 nBookmark = m_aBookmarksPositions[nNewPos-1]/*->first*/;
bDataFound = m_pHelper->move(IResultSetHelper::BOOKMARK,nBookmark, _bRetrieveData);
OSL_ENSURE((m_bDeletedVisible || !m_pHelper->isRowDeleted()),"moveAbsolute: row can't be deleted!");
}
}
else
{
++nNewPos;
bDataFound = skipDeleted(IResultSetHelper::LAST,0,nNewPos == 0);
for(sal_Int32 i=nNewPos+1;bDataFound && i <= 0;++i)
bDataFound = skipDeleted(IResultSetHelper::PRIOR,1,i == 0);
}
return bDataFound;
}
// -----------------------------------------------------------------------------
void OSkipDeletedSet::clear()
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::clear" );
::std::vector<sal_Int32>().swap(m_aBookmarksPositions);
//TInt2IntMap().swap(m_aBookmarks);
}
// -----------------------------------------------------------------------------
sal_Int32 OSkipDeletedSet::getMappedPosition(sal_Int32 _nPos) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::getMappedPosition" );
::std::vector<sal_Int32>::const_iterator aFind = ::std::find(m_aBookmarksPositions.begin(),m_aBookmarksPositions.end(),_nPos);
if ( aFind != m_aBookmarksPositions.end() )
return (aFind - m_aBookmarksPositions.begin()) + 1;
/*TInt2IntMap::const_iterator aFind = m_aBookmarks.find(_nPos);
OSL_ENSURE(aFind != m_aBookmarks.end(),"OSkipDeletedSet::getMappedPosition() invalid bookmark!");
return aFind->second;*/
OSL_ENSURE(0,"Why!");
return -1;
}
// -----------------------------------------------------------------------------
void OSkipDeletedSet::insertNewPosition(sal_Int32 _nPos)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::insertNewPosition" );
//OSL_ENSURE(m_aBookmarks.find(_nPos) == m_aBookmarks.end(),"OSkipDeletedSet::insertNewPosition: Invalid position");
//m_aBookmarksPositions.push_back(m_aBookmarks.insert(TInt2IntMap::value_type(_nPos,m_aBookmarksPositions.size()+1)).first);
//OSL_ENSURE(::std::find(m_aBookmarksPositions.begin(),m_aBookmarksPositions.end(),_nPos) == m_aBookmarksPositions.end(),"Invalid driver pos");
m_aBookmarksPositions.push_back(_nPos);
}
// -----------------------------------------------------------------------------
void OSkipDeletedSet::deletePosition(sal_Int32 _nBookmark)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "commontools", "Ocke.Janssen@sun.com", "OSkipDeletedSet::deletePosition" );
::std::vector<sal_Int32>::iterator aFind = ::std::find(m_aBookmarksPositions.begin(),m_aBookmarksPositions.end(),_nBookmark);
if ( aFind != m_aBookmarksPositions.end() )
{
//TInt2IntMap::iterator aFind = m_aBookmarks.find(_nPos);
//OSL_ENSURE(aFind != m_aBookmarks.end(),"OSkipDeletedSet::deletePosition() bookmark not found!");
//TInt2IntMap::iterator aIter = aFind;
m_aBookmarksPositions.erase(aFind);
//for (; aFind != m_aBookmarksPositions.end() ; ++aIter)
// --(aFind->second);
} // if ( aFind != m_aBookmarksPositions.end() )
//m_aBookmarksPositions.erase(m_aBookmarksPositions.begin() + aFind->second-1);
//m_aBookmarks.erase(_nPos);
}
// -----------------------------------------------------------------------------