368 lines
13 KiB
C++
368 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "indexcollection.hxx"
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#include <tools/diagnose_ex.h>
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#include <com/sun/star/sdbcx/XAppend.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
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#include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
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#include <comphelper/extract.hxx>
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#include <com/sun/star/sdbcx/XDrop.hpp>
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#include <com/sun/star/container/XNameContainer.hpp>
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namespace dbaui
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::sdbcx;
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using namespace ::com::sun::star::sdbc;
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// OIndexCollection
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OIndexCollection::OIndexCollection()
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{
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}
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OIndexCollection::OIndexCollection(const OIndexCollection& _rSource)
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{
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*this = _rSource;
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}
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const OIndexCollection& OIndexCollection::operator=(const OIndexCollection& _rSource)
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{
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detach();
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m_xIndexes = _rSource.m_xIndexes;
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m_aIndexes = _rSource.m_aIndexes;
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return *this;
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}
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void OIndexCollection::attach(const Reference< XNameAccess >& _rxIndexes)
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{
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implConstructFrom(_rxIndexes);
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}
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void OIndexCollection::detach()
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{
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m_xIndexes.clear();
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m_aIndexes.clear();
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}
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Indexes::const_iterator OIndexCollection::find(const OUString& _rName) const
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{
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OUString sNameCompare(_rName);
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// loop'n'compare
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Indexes::const_iterator aSearch = m_aIndexes.begin();
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Indexes::const_iterator aEnd = m_aIndexes.end();
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for (; aSearch != aEnd; ++aSearch)
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if (aSearch->sName == sNameCompare)
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break;
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return aSearch;
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}
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Indexes::iterator OIndexCollection::find(const OUString& _rName)
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{
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OUString sNameCompare(_rName);
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// loop'n'compare
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Indexes::iterator aSearch = m_aIndexes.begin();
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Indexes::iterator aEnd = m_aIndexes.end();
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for (; aSearch != aEnd; ++aSearch)
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if (aSearch->sName == sNameCompare)
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break;
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return aSearch;
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}
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Indexes::const_iterator OIndexCollection::findOriginal(const OUString& _rName) const
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{
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OUString sNameCompare(_rName);
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// loop'n'compare
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Indexes::const_iterator aSearch = m_aIndexes.begin();
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Indexes::const_iterator aEnd = m_aIndexes.end();
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for (; aSearch != aEnd; ++aSearch)
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if (aSearch->getOriginalName() == sNameCompare)
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break;
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return aSearch;
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}
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Indexes::iterator OIndexCollection::findOriginal(const OUString& _rName)
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{
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OUString sNameCompare(_rName);
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// loop'n'compare
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Indexes::iterator aSearch = m_aIndexes.begin();
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Indexes::iterator aEnd = m_aIndexes.end();
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for (; aSearch != aEnd; ++aSearch)
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if (aSearch->getOriginalName() == sNameCompare)
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break;
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return aSearch;
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}
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void OIndexCollection::commitNewIndex(const Indexes::iterator& _rPos)
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{
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OSL_ENSURE(_rPos->isNew(), "OIndexCollection::commitNewIndex: index must be new!");
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try
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{
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Reference< XDataDescriptorFactory > xIndexFactory(m_xIndexes, UNO_QUERY);
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Reference< XAppend > xAppendIndex(xIndexFactory, UNO_QUERY);
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if (!xAppendIndex.is())
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{
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OSL_FAIL("OIndexCollection::commitNewIndex: missing an interface of the index container!");
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return;
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}
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Reference< XPropertySet > xIndexDescriptor = xIndexFactory->createDataDescriptor();
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Reference< XColumnsSupplier > xColsSupp(xIndexDescriptor, UNO_QUERY);
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Reference< XNameAccess > xCols;
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if (xColsSupp.is())
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xCols = xColsSupp->getColumns();
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Reference< XDataDescriptorFactory > xColumnFactory(xCols, UNO_QUERY);
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Reference< XAppend > xAppendCols(xColumnFactory, UNO_QUERY);
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if (!xAppendCols.is())
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{
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OSL_FAIL("OIndexCollection::commitNewIndex: invalid index descriptor returned!");
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return;
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}
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// set the properties
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static const char s_sUniquePropertyName[] = "IsUnique";
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static const char s_sSortPropertyName[] = "IsAscending";
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static const char s_sNamePropertyName[] = "Name";
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// the index' own props
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xIndexDescriptor->setPropertyValue(s_sUniquePropertyName, css::uno::makeAny(_rPos->bUnique));
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xIndexDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(_rPos->sName));
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// the fields
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for ( IndexFields::const_iterator aFieldLoop = _rPos->aFields.begin();
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aFieldLoop != _rPos->aFields.end();
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++aFieldLoop
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)
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{
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OSL_ENSURE(!xCols->hasByName(aFieldLoop->sFieldName), "OIndexCollection::commitNewIndex: double column name (need to prevent this outside)!");
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Reference< XPropertySet > xColDescriptor = xColumnFactory->createDataDescriptor();
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OSL_ENSURE(xColDescriptor.is(), "OIndexCollection::commitNewIndex: invalid column descriptor!");
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if (xColDescriptor.is())
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{
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xColDescriptor->setPropertyValue(s_sSortPropertyName, css::uno::makeAny(aFieldLoop->bSortAscending));
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xColDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(OUString(aFieldLoop->sFieldName)));
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xAppendCols->appendByDescriptor(xColDescriptor);
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}
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}
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xAppendIndex->appendByDescriptor(xIndexDescriptor);
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_rPos->flagAsCommitted(GrantIndexAccess());
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_rPos->clearModified();
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}
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catch(SQLException&)
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{ // allowed to pass
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throw;
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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}
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bool OIndexCollection::dropNoRemove(const Indexes::iterator& _rPos)
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{
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try
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{
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OSL_ENSURE(m_xIndexes->hasByName(_rPos->getOriginalName()), "OIndexCollection::drop: invalid name!");
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Reference< XDrop > xDropIndex(m_xIndexes, UNO_QUERY);
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if (!xDropIndex.is())
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{
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OSL_FAIL("OIndexCollection::drop: no XDrop interface!");
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return false;
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}
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xDropIndex->dropByName(_rPos->getOriginalName());
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}
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catch(SQLException&)
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{ // allowed to pass
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throw;
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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return false;
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}
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// adjust the OIndex structure
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Indexes::iterator aDropped = findOriginal(_rPos->getOriginalName());
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OSL_ENSURE(aDropped != m_aIndexes.end(), "OIndexCollection::drop: invalid original name, but successful commit?!");
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aDropped->flagAsNew(GrantIndexAccess());
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return true;
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}
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bool OIndexCollection::drop(const Indexes::iterator& _rPos)
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{
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OSL_ENSURE((_rPos >= m_aIndexes.begin()) && (_rPos < m_aIndexes.end()),
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"OIndexCollection::drop: invalid position (fasten your seatbelt .... this will crash)!");
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if (!_rPos->isNew())
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if (!dropNoRemove(_rPos))
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return false;
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// adjust the index array
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m_aIndexes.erase(_rPos);
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return true;
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}
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void OIndexCollection::implFillIndexInfo(OIndex& _rIndex)
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{
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// get the UNO descriptor for the index
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Reference< XPropertySet > xIndex;
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m_xIndexes->getByName(_rIndex.getOriginalName()) >>= xIndex;
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if (!xIndex.is())
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{
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OSL_FAIL("OIndexCollection::implFillIndexInfo: got an invalid index object!");
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}
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else
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implFillIndexInfo(_rIndex, xIndex);
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}
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void OIndexCollection::implFillIndexInfo(OIndex& _rIndex, Reference< XPropertySet > _rxDescriptor)
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{
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static const char s_sPrimaryIndexPropertyName[] = "IsPrimaryKeyIndex";
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static const char s_sUniquePropertyName[] = "IsUnique";
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static const char s_sSortPropertyName[] = "IsAscending";
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static const char s_sCatalogPropertyName[] = "Catalog";
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_rIndex.bPrimaryKey = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sPrimaryIndexPropertyName));
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_rIndex.bUnique = ::cppu::any2bool(_rxDescriptor->getPropertyValue(s_sUniquePropertyName));
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_rxDescriptor->getPropertyValue(s_sCatalogPropertyName) >>= _rIndex.sDescription;
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// the columns
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Reference< XColumnsSupplier > xSuppCols(_rxDescriptor, UNO_QUERY);
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Reference< XNameAccess > xCols;
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if (xSuppCols.is())
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xCols = xSuppCols->getColumns();
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OSL_ENSURE(xCols.is(), "OIndexCollection::implFillIndexInfo: the index does not have columns!");
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if (xCols.is())
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{
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Sequence< OUString > aFieldNames = xCols->getElementNames();
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_rIndex.aFields.resize(aFieldNames.getLength());
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const OUString* pFieldNames = aFieldNames.getConstArray();
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const OUString* pFieldNamesEnd = pFieldNames + aFieldNames.getLength();
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IndexFields::iterator aCopyTo = _rIndex.aFields.begin();
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Reference< XPropertySet > xIndexColumn;
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for (;pFieldNames < pFieldNamesEnd; ++pFieldNames, ++aCopyTo)
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{
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// extract the column
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xIndexColumn.clear();
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xCols->getByName(*pFieldNames) >>= xIndexColumn;
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if (!xIndexColumn.is())
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{
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OSL_FAIL("OIndexCollection::implFillIndexInfo: invalid index column!");
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--aCopyTo;
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continue;
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}
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// get the relevant properties
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aCopyTo->sFieldName = *pFieldNames;
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aCopyTo->bSortAscending = ::cppu::any2bool(xIndexColumn->getPropertyValue(s_sSortPropertyName));
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}
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_rIndex.aFields.resize(aCopyTo - _rIndex.aFields.begin());
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// (just in case some fields were invalid ...)
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}
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}
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void OIndexCollection::resetIndex(const Indexes::iterator& _rPos)
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{
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OSL_ENSURE(_rPos >= m_aIndexes.begin() && _rPos < m_aIndexes.end(),
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"OIndexCollection::resetIndex: invalid position!");
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try
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{
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_rPos->sName = _rPos->getOriginalName();
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implFillIndexInfo(*_rPos);
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_rPos->clearModified();
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_rPos->flagAsCommitted(GrantIndexAccess());
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}
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catch(SQLException&)
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{ // allowed to pass
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throw;
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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}
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Indexes::iterator OIndexCollection::insert(const OUString& _rName)
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{
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OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
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OUString tmpName;
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OIndex aNewIndex(tmpName); // the empty string indicates the index is a new one
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aNewIndex.sName = _rName;
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m_aIndexes.push_back(aNewIndex);
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return m_aIndexes.end() - 1; // the last element is the new one ...
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}
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void OIndexCollection::implConstructFrom(const Reference< XNameAccess >& _rxIndexes)
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{
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detach();
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m_xIndexes = _rxIndexes;
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if (m_xIndexes.is())
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{
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// loop through all the indexes
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Sequence< OUString > aNames = m_xIndexes->getElementNames();
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const OUString* pNames = aNames.getConstArray();
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const OUString* pEnd = pNames + aNames.getLength();
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for (; pNames < pEnd; ++pNames)
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{
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// extract the index object
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Reference< XPropertySet > xIndex;
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m_xIndexes->getByName(*pNames) >>= xIndex;
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if (!xIndex.is())
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{
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OSL_FAIL("OIndexCollection::implConstructFrom: got an invalid index object ... ignoring!");
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continue;
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}
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// fill the OIndex structure
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OIndex aCurrentIndex(*pNames);
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implFillIndexInfo(aCurrentIndex);
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m_aIndexes.push_back(aCurrentIndex);
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}
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}
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}
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} // namespace dbaui
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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