470 lines
18 KiB
C++
470 lines
18 KiB
C++
/*************************************************************************
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*
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* $RCSfile: indexcollection.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: oj $ $Date: 2001-03-30 14:12:19 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc..
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _DBAUI_INDEXCOLLECTION_HXX_
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#include "indexcollection.hxx"
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#ifndef _COM_SUN_STAR_SDBCX_XAPPEND_HPP_
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#include <com/sun/star/sdbcx/XAppend.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
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#include <com/sun/star/beans/XPropertySet.hpp>
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#endif
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#ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
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#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
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#endif
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#ifndef _COM_SUN_STAR_SDBCX_XDATADESCRIPTORFACTORY_HPP_
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#include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
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#endif
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#ifndef _COMPHELPER_EXTRACT_HXX_
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#include <comphelper/extract.hxx>
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#endif
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#ifndef _COM_SUN_STAR_SDBCX_XDROP_HPP_
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#include <com/sun/star/sdbcx/XDrop.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONTAINER_XNAMECONTAINER_HPP_
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#include <com/sun/star/container/XNameContainer.hpp>
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#endif
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//......................................................................
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namespace dbaui
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{
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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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//==================================================================
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//= OIndexCollection
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//==================================================================
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//------------------------------------------------------------------
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OIndexCollection::OIndexCollection()
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{
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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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//------------------------------------------------------------------
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// OIndexCollection::OIndexCollection(const Reference< XNameAccess >& _rxIndexes)
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// {
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// implConstructFrom(_rxIndexes);
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// }
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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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//------------------------------------------------------------------
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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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//------------------------------------------------------------------
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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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//------------------------------------------------------------------
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OIndexCollection::const_iterator OIndexCollection::find(const String& _rName) const
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{
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::rtl::OUString sNameCompare(_rName);
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// loop'n'compare
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const_iterator aSearch = m_aIndexes.begin();
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for (; aSearch != m_aIndexes.end(); ++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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//------------------------------------------------------------------
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OIndexCollection::iterator OIndexCollection::find(const String& _rName)
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{
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::rtl::OUString sNameCompare(_rName);
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// loop'n'compare
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iterator aSearch = m_aIndexes.begin();
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for (; aSearch != m_aIndexes.end(); ++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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//------------------------------------------------------------------
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OIndexCollection::const_iterator OIndexCollection::findOriginal(const String& _rName) const
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{
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::rtl::OUString sNameCompare(_rName);
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// loop'n'compare
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const_iterator aSearch = m_aIndexes.begin();
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for (; aSearch != m_aIndexes.end(); ++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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//------------------------------------------------------------------
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OIndexCollection::iterator OIndexCollection::findOriginal(const String& _rName)
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{
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::rtl::OUString sNameCompare(_rName);
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// loop'n'compare
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iterator aSearch = m_aIndexes.begin();
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for (; aSearch != m_aIndexes.end(); ++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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//------------------------------------------------------------------
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void OIndexCollection::commitNewIndex(const iterator& _rPos) SAL_THROW((SQLException))
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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_ENSURE(sal_False, "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_ENSURE(sal_False, "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 ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
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static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
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static const ::rtl::OUString s_sNamePropertyName = ::rtl::OUString::createFromAscii("Name");
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// the index' own props
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xIndexDescriptor->setPropertyValue(s_sUniquePropertyName, ::cppu::bool2any(_rPos->bUnique));
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xIndexDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(_rPos->sName));
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// the fields
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for ( ConstIndexFieldsIterator 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, ::cppu::bool2any(aFieldLoop->bSortAscending));
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xColDescriptor->setPropertyValue(s_sNamePropertyName, makeAny(::rtl::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(Exception&)
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{
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OSL_ENSURE(sal_False, "OIndexCollection::commitNewIndex: caught a strange exception ....");
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return;
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}
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}
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//------------------------------------------------------------------
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sal_Bool OIndexCollection::dropNoRemove(const iterator& _rPos) SAL_THROW((SQLException))
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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_ENSURE(sal_False, "OIndexCollection::drop: no XDrop interface!");
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return sal_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(Exception&)
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{
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OSL_ENSURE(sal_False, "OIndexCollection::drop: caught a strange exception ....");
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return sal_False;
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}
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// adjust the OIndex structure
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iterator aDropped = findOriginal(_rPos->getOriginalName());
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OSL_ENSURE(aDropped != m_aIndexes.end(), "OIndexCollection::drop: invalid original name, but successfull commit?!");
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aDropped->flagAsNew(GrantIndexAccess());
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return sal_True;
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}
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//------------------------------------------------------------------
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sal_Bool OIndexCollection::drop(const iterator& _rPos) SAL_THROW((SQLException))
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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 sal_False;
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// adjust the index array
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m_aIndexes.erase(_rPos);
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return sal_True;
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}
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//------------------------------------------------------------------
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void OIndexCollection::implFillIndexInfo(OIndex& _rIndex) SAL_THROW((Exception))
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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_ENSURE(sal_False, "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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//------------------------------------------------------------------
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void OIndexCollection::implFillIndexInfo(OIndex& _rIndex, Reference< XPropertySet > _rxDescriptor) SAL_THROW((Exception))
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{
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static const ::rtl::OUString s_sPrimaryIndexPropertyName = ::rtl::OUString::createFromAscii("IsPrimaryKeyIndex");
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static const ::rtl::OUString s_sUniquePropertyName = ::rtl::OUString::createFromAscii("IsUnique");
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static const ::rtl::OUString s_sSortPropertyName = ::rtl::OUString::createFromAscii("IsAscending");
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static const ::rtl::OUString s_sCatalogPropertyName = ::rtl::OUString::createFromAscii("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< ::rtl::OUString > aFieldNames = xCols->getElementNames();
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_rIndex.aFields.resize(aFieldNames.getLength());
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const ::rtl::OUString* pFieldNames = aFieldNames.getConstArray();
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const ::rtl::OUString* pFieldNamesEnd = pFieldNames + aFieldNames.getLength();
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OIndexField* pCopyTo = _rIndex.aFields.begin();
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Reference< XPropertySet > xIndexColumn;
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for (;pFieldNames < pFieldNamesEnd; ++pFieldNames, ++pCopyTo)
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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_ENSURE(sal_False, "OIndexCollection::implFillIndexInfo: invalid index column!");
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--pCopyTo;
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continue;
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}
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// get the relevant properties
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pCopyTo->sFieldName = *pFieldNames;
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pCopyTo->bSortAscending = ::cppu::any2bool(xIndexColumn->getPropertyValue(s_sSortPropertyName));
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}
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_rIndex.aFields.resize(pCopyTo - _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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//------------------------------------------------------------------
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void OIndexCollection::resetIndex(const iterator& _rPos) SAL_THROW((SQLException))
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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(Exception&)
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{
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OSL_ENSURE(sal_False, "OIndexCollection::resetIndex: caught an unknown exception!");
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}
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}
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//------------------------------------------------------------------
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OIndexCollection::iterator OIndexCollection::insert(const String& _rName)
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{
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OSL_ENSURE(end() == find(_rName), "OIndexCollection::insert: invalid new name!");
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String 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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//------------------------------------------------------------------
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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< ::rtl::OUString > aNames = m_xIndexes->getElementNames();
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const ::rtl::OUString* pNames = aNames.getConstArray();
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const ::rtl::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_ENSURE(sal_False, "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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//......................................................................
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} // namespace dbaui
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//......................................................................
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/*************************************************************************
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* history:
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* $Log: not supported by cvs2svn $
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* Revision 1.3 2001/03/30 13:56:42 avy
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* Temporary variable added because of error during compiling under the Lunux
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*
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* Revision 1.2 2001/03/19 06:03:23 fs
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* ensure that no fields occure twice when committing
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*
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* Revision 1.1 2001/03/16 16:22:20 fs
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* initial checkin - non-UNO index collection
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*
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*
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* Revision 1.0 07.03.01 15:09:42 fs
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************************************************************************/
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