connectivity/source/commontools/TColumnsHelper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <connectivity/TColumnsHelper.hxx>
  21 #include <connectivity/sdbcx/VColumn.hxx>
  22 #include <com/sun/star/sdbc/DataType.hpp>
  23 #include <com/sun/star/sdbc/ColumnValue.hpp>
  24 #include <comphelper/types.hxx>
  25 #include <connectivity/dbtools.hxx>
  26 #include <TConnection.hxx>
  27 #include <connectivity/TTableHelper.hxx>
  28
  29 using namespace ::comphelper;
  30
  31
  32 using namespace connectivity::sdbcx;
  33 using namespace connectivity;
  34 using namespace dbtools;
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::beans;
  37 using namespace ::com::sun::star::sdbcx;
  38 using namespace ::com::sun::star::sdbc;
  39 using namespace ::com::sun::star::container;
  40 using namespace ::com::sun::star::lang;
  41
  42 namespace connectivity
  43 {
  44     class OColumnsHelperImpl
  45     {
  46     public:
  47         explicit OColumnsHelperImpl(bool _bCase)
  48             : m_aColumnInfo(_bCase)
  49         {
  50         }
  51         ColumnInformationMap m_aColumnInfo;
  52     };
  53 }
  54
  55 OColumnsHelper::OColumnsHelper( ::cppu::OWeakObject& _rParent
  56                                 ,bool _bCase
  57                                 ,::osl::Mutex& _rMutex
  58                                 ,const ::std::vector< OUString> &_rVector
  59                                 ,bool _bUseHardRef
  60             ) : OCollection(_rParent,_bCase,_rMutex,_rVector,false,_bUseHardRef)
  61     ,m_pTable(nullptr)
  62 {
  63 }
  64
  65 OColumnsHelper::~OColumnsHelper()
  66 {
  67 }
  68
  69
  70 sdbcx::ObjectType OColumnsHelper::createObject(const OUString& _rName)
  71 {
  72     OSL_ENSURE(m_pTable,"NO Table set. Error!");
  73     Reference<XConnection> xConnection = m_pTable->getConnection();
  74
  75     if ( !m_pImpl )
  76         m_pImpl.reset(new OColumnsHelperImpl(isCaseSensitive()));
  77
  78     bool bQueryInfo     = true;
  79     bool bAutoIncrement = false;
  80     bool bIsCurrency    = false;
  81     sal_Int32 nDataType     = DataType::OTHER;
  82
  83     ColumnInformationMap::const_iterator aFind = m_pImpl->m_aColumnInfo.find(_rName);
  84     if ( aFind == m_pImpl->m_aColumnInfo.end() ) // we have to fill it
  85     {
  86         OUString sComposedName = ::dbtools::composeTableNameForSelect( xConnection, m_pTable );
  87         collectColumnInformation(xConnection,sComposedName,"*" ,m_pImpl->m_aColumnInfo);
  88         aFind = m_pImpl->m_aColumnInfo.find(_rName);
  89     }
  90     if ( aFind != m_pImpl->m_aColumnInfo.end() )
  91     {
  92         bQueryInfo      = false;
  93         bAutoIncrement  = aFind->second.first.first;
  94         bIsCurrency     = aFind->second.first.second;
  95         nDataType       = aFind->second.second;
  96     } // if ( aFind != m_pImpl->m_aColumnInfo.end() )
  97
  98     sdbcx::ObjectType xRet;
  99     const ColumnDesc* pColDesc = m_pTable->getColumnDescription(_rName);
 100     if ( pColDesc )
 101     {
 102         Reference<XPropertySet> xPr = m_pTable;
 103         const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xPr);
 104         sal_Int32 nField11 = pColDesc->nField11;
 105         if ( nField11 != ColumnValue::NO_NULLS && xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(_rName) )
 106         {
 107             nField11 = ColumnValue::NO_NULLS;
 108         } // if ( xKeys.is() )
 109         ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
 110         OUString aCatalog, aSchema, aTable;
 111         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME)) >>= aCatalog;
 112         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME))  >>= aSchema;
 113         m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME))        >>= aTable;
 114         connectivity::sdbcx::OColumn* pRet = new connectivity::sdbcx::OColumn(_rName,
 115                                                 pColDesc->aField6,
 116                                                 pColDesc->sField13,
 117                                                 pColDesc->sField12,
 118                                                 nField11,
 119                                                 pColDesc->nField7,
 120                                                 pColDesc->nField9,
 121                                                 pColDesc->nField5,
 122                                                 bAutoIncrement,
 123                                                 false,
 124                                                 bIsCurrency,
 125                                                 isCaseSensitive(),
 126                                                 aCatalog,
 127                                                 aSchema,
 128                                                 aTable);
 129
 130         xRet = pRet;
 131     }
 132     else
 133     {
 134
 135         xRet = ::dbtools::createSDBCXColumn(  m_pTable,
 136                                                 xConnection,
 137                                                 _rName,
 138                                                 isCaseSensitive(),
 139                                                 bQueryInfo,
 140                                                 bAutoIncrement,
 141                                                 bIsCurrency,
 142                                                 nDataType);
 143     }
 144     return xRet;
 145 }
 146
 147
 148 void OColumnsHelper::impl_refresh()
 149 {
 150     if ( m_pTable )
 151     {
 152         m_pImpl->m_aColumnInfo.clear();
 153         m_pTable->refreshColumns();
 154     }
 155 }
 156
 157 Reference< XPropertySet > OColumnsHelper::createDescriptor()
 158 {
 159     return new OColumn(true);
 160 }
 161
 162 // XAppend
 163 sdbcx::ObjectType OColumnsHelper::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
 164 {
 165     ::osl::MutexGuard aGuard(m_rMutex);
 166     OSL_ENSURE(m_pTable,"OColumnsHelper::appendByDescriptor: Table is null!");
 167     if ( !m_pTable || m_pTable->isNew() )
 168         return cloneDescriptor( descriptor );
 169
 170     Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 171     OUString aSql = "ALTER TABLE " +
 172         ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ) +
 173         " ADD " +
 174         ::dbtools::createStandardColumnPart(descriptor,m_pTable->getConnection(),nullptr,m_pTable->getTypeCreatePattern());
 175
 176     Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 177     if ( xStmt.is() )
 178     {
 179         xStmt->execute(aSql);
 180         ::comphelper::disposeComponent(xStmt);
 181     }
 182     return createObject( _rForName );
 183 }
 184
 185 // XDrop
 186 void OColumnsHelper::dropObject(sal_Int32 /*_nPos*/, const OUString& _sElementName)
 187 {
 188     OSL_ENSURE(m_pTable,"OColumnsHelper::dropByName: Table is null!");
 189     if ( !m_pTable || m_pTable->isNew() )
 190         return;
 191
 192     Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
 193     OUString aQuote  = xMetaData->getIdentifierQuoteString(  );
 194     OUString aSql = "ALTER TABLE " +
 195         ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ) +
 196         " DROP " +
 197         ::dbtools::quoteName( aQuote,_sElementName);
 198
 199     Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
 200     if ( xStmt.is() )
 201     {
 202         xStmt->execute(aSql);
 203         ::comphelper::disposeComponent(xStmt);
 204     }
 205 }
 206
 207
 208 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */