connectivity/source/drivers/postgresql/pq_xkeycolumns.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  Effective License of whole file:
   5  *
   6  *    This library is free software; you can redistribute it and/or
   7  *    modify it under the terms of the GNU Lesser General Public
   8  *    License version 2.1, as published by the Free Software Foundation.
   9  *
  10  *    This library is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *    Lesser General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU Lesser General Public
  16  *    License along with this library; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  *    MA  02111-1307  USA
  19  *
  20  *  Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
  21  *
  22  *    The Contents of this file are made available subject to the terms of
  23  *    the GNU Lesser General Public License Version 2.1
  24  *
  25  *    Copyright: 2000 by Sun Microsystems, Inc.
  26  *
  27  *    Contributor(s): Joerg Budischewski
  28  *
  29  *  All parts contributed on or after August 2011:
  30  *
  31  *    This Source Code Form is subject to the terms of the Mozilla Public
  32  *    License, v. 2.0. If a copy of the MPL was not distributed with this
  33  *    file, You can obtain one at http://mozilla.org/MPL/2.0/.
  34  *
  35  ************************************************************************/
  36
  37 #include <rtl/ustrbuf.hxx>
  38 #include <rtl/strbuf.hxx>
  39 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
  40 #include <com/sun/star/sdbc/SQLException.hpp>
  41 #include <com/sun/star/sdbc/XRow.hpp>
  42 #include <com/sun/star/sdbc/DataType.hpp>
  43 #include <com/sun/star/sdbc/ColumnValue.hpp>
  44 #include <cppuhelper/exc_hlp.hxx>
  45
  46 #include "pq_xcolumns.hxx"
  47 #include "pq_xkeycolumns.hxx"
  48 #include "pq_xkeycolumn.hxx"
  49 #include "pq_statics.hxx"
  50 #include "pq_tools.hxx"
  51
  52 using osl::MutexGuard;
  53
  54 using com::sun::star::beans::XPropertySet;
  55
  56 using com::sun::star::uno::Any;
  57 using com::sun::star::uno::makeAny;
  58 using com::sun::star::uno::UNO_QUERY;
  59 using com::sun::star::uno::Reference;
  60 using com::sun::star::uno::Sequence;
  61
  62 using com::sun::star::sdbc::XRow;
  63 using com::sun::star::sdbc::XResultSet;
  64 using com::sun::star::sdbc::XDatabaseMetaData;
  65 using com::sun::star::sdbc::SQLException;
  66
  67 namespace pq_sdbc_driver
  68 {
  69
  70 KeyColumns::KeyColumns(
  71         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
  72         const css::uno::Reference< css::sdbc::XConnection >  & origin,
  73         ConnectionSettings *pSettings,
  74         const OUString &schemaName,
  75         const OUString &tableName,
  76         const Sequence< OUString > &columnNames,
  77         const Sequence< OUString > &foreignColumnNames )
  78     : Container( refMutex, origin, pSettings,  "KEY_COLUMN" ),
  79       m_schemaName( schemaName ),
  80       m_tableName( tableName ),
  81       m_columnNames( columnNames ),
  82       m_foreignColumnNames( foreignColumnNames )
  83 {}
  84
  85 KeyColumns::~KeyColumns()
  86 {}
  87
  88
  89 void KeyColumns::refresh()
  90 {
  91     try
  92     {
  93         if (isLog(m_pSettings, LogLevel::Info))
  94         {
  95             OStringBuffer buf;
  96             buf.append( "sdbcx.KeyColumns get refreshed for table " );
  97             buf.append( OUStringToOString( m_schemaName, ConnectionSettings::encoding ) );
  98             buf.append( "." );
  99             buf.append( OUStringToOString( m_tableName, ConnectionSettings::encoding ) );
 100             log( m_pSettings, LogLevel::Info, buf.makeStringAndClear().getStr() );
 101         }
 102
 103         osl::MutexGuard guard( m_xMutex->GetMutex() );
 104
 105         Statics &st = getStatics();
 106         Reference< XDatabaseMetaData > meta = m_origin->getMetaData();
 107
 108         Reference< XResultSet > rs =
 109             meta->getColumns( Any(), m_schemaName, m_tableName, st.cPERCENT );
 110
 111         DisposeGuard disposeIt( rs );
 112         Reference< XRow > xRow( rs , UNO_QUERY );
 113
 114         String2IntMap map;
 115
 116         m_values.clear();
 117         sal_Int32 columnIndex = 0;
 118         while( rs->next() )
 119         {
 120             OUString columnName = xRow->getString( 4 );
 121
 122             int keyindex;
 123             for( keyindex = 0 ; keyindex < m_columnNames.getLength() ; keyindex ++ )
 124             {
 125                 if( columnName == m_columnNames[keyindex] )
 126                     break;
 127             }
 128             if( m_columnNames.getLength() == keyindex )
 129                 continue;
 130
 131             KeyColumn * pKeyColumn =
 132                 new KeyColumn( m_xMutex, m_origin, m_pSettings );
 133             Reference< css::beans::XPropertySet > prop = pKeyColumn;
 134
 135             OUString name = columnMetaData2SDBCX( pKeyColumn, xRow );
 136             if( keyindex < m_foreignColumnNames.getLength() )
 137             {
 138                 pKeyColumn->setPropertyValue_NoBroadcast_public(
 139                     st.RELATED_COLUMN, makeAny( m_foreignColumnNames[keyindex]) );
 140             }
 141
 142             {
 143                 m_values.push_back( makeAny( prop ) );
 144                 map[ name ] = columnIndex;
 145                 ++columnIndex;
 146             }
 147         }
 148         m_name2index.swap( map );
 149     }
 150     catch ( css::sdbc::SQLException & e )
 151     {
 152         css::uno::Any anyEx = cppu::getCaughtException();
 153         throw css::lang::WrappedTargetRuntimeException( e.Message,
 154                         e.Context, anyEx );
 155     }
 156
 157     fire( RefreshedBroadcaster( *this ) );
 158 }
 159
 160
 161 void KeyColumns::appendByDescriptor(
 162     const css::uno::Reference< css::beans::XPropertySet >& )
 163 {
 164     throw css::sdbc::SQLException(
 165         "KeyColumns::appendByDescriptor not implemented yet",
 166         *this, OUString(), 1, Any() );
 167
 168 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 169 //     Statics & st = getStatics();
 170 //     Reference< XPropertySet > past = createDataDescriptor();
 171 //     past->setPropertyValue( st.IS_NULLABLE, makeAny( css::sdbc::ColumnValue::NULLABLE ) );
 172 //     alterColumnByDescriptor(
 173 //         m_schemaName, m_tableName, m_pSettings->encoding, m_origin->createStatement() , past, future  );
 174
 175 }
 176
 177
 178 void KeyColumns::dropByIndex( sal_Int32 )
 179 {
 180     throw css::sdbc::SQLException(
 181         "KeyColumns::dropByIndex not implemented yet",
 182         *this, OUString(), 1, Any() );
 183 //     osl::MutexGuard guard( m_xMutex->GetMutex() );
 184 //     if( index < 0 ||  index >= m_values.getLength() )
 185 //     {
 186 //         OUStringBuffer buf( 128 );
 187 //         buf.appendAscii( "COLUMNS: Index out of range (allowed 0 to " );
 188 //         buf.append((sal_Int32)(m_values.getLength() -1) );
 189 //         buf.appendAscii( ", got " );
 190 //         buf.append( index );
 191 //         buf.appendAscii( ")" );
 192 //         throw css::lang::IndexOutOfBoundsException(
 193 //             buf.makeStringAndClear(), *this );
 194 //     }
 195
 196 //     Reference< XPropertySet > set;
 197 //     m_values[index] >>= set;
 198 //     Statics &st = getStatics();
 199 //     OUString name;
 200 //     set->getPropertyValue( st.NAME ) >>= name;
 201
 202 //     OUStringBuffer update( 128 );
 203 //     update.appendAscii( "ALTER TABLE ONLY");
 204 //     bufferQuoteQualifiedIdentifier( update, m_schemaName, m_tableName );
 205 //     update.appendAscii( "DROP COLUMN" );
 206 //     bufferQuoteIdentifier( update, name );
 207 //     Reference< XStatement > stmt = m_origin->createStatement( );
 208 //     DisposeGuard disposeIt( stmt );
 209 //     stmt->executeUpdate( update.makeStringAndClear() );
 210
 211 }
 212
 213
 214 Reference< css::beans::XPropertySet > KeyColumns::createDataDescriptor()
 215 {
 216     return new KeyColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 217 }
 218
 219 Reference< css::container::XNameAccess > KeyColumns::create(
 220     const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 221     const css::uno::Reference< css::sdbc::XConnection >  & origin,
 222     ConnectionSettings *pSettings,
 223     const OUString &schemaName,
 224     const OUString &tableName,
 225     const Sequence< OUString > &columnNames ,
 226     const Sequence< OUString > &foreignColumnNames )
 227 {
 228     KeyColumns *pKeyColumns = new KeyColumns(
 229         refMutex, origin, pSettings, schemaName, tableName, columnNames, foreignColumnNames );
 230     Reference< css::container::XNameAccess > ret = pKeyColumns;
 231     pKeyColumns->refresh();
 232
 233     return ret;
 234 }
 235
 236
 237 KeyColumnDescriptors::KeyColumnDescriptors(
 238         const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
 239         const css::uno::Reference< css::sdbc::XConnection >  & origin,
 240         ConnectionSettings *pSettings )
 241     : Container( refMutex, origin, pSettings,  "KEY_COLUMN" )
 242 {}
 243
 244 Reference< css::beans::XPropertySet > KeyColumnDescriptors::createDataDescriptor()
 245 {
 246     return new KeyColumnDescriptor( m_xMutex, m_origin, m_pSettings );
 247 }
 248 };
 249
 250 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */