dbaccess/source/core/api/querydescriptor.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 <string.h>
  21
  22 #include "querydescriptor.hxx"
  23 #include "apitools.hxx"
  24 #include "dbastrings.hrc"
  25 #include <comphelper/property.hxx>
  26 #include <comphelper/sequence.hxx>
  27 #include <cppuhelper/supportsservice.hxx>
  28 #include <cppuhelper/typeprovider.hxx>
  29 #include <com/sun/star/beans/PropertyAttribute.hpp>
  30 #include "definitioncolumn.hxx"
  31 #include <tools/debug.hxx>
  32
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::com::sun::star::awt;
  35 using namespace ::com::sun::star::lang;
  36 using namespace ::com::sun::star::beans;
  37 using namespace ::com::sun::star::container;
  38 using namespace ::com::sun::star::util;
  39 using namespace ::comphelper;
  40 using namespace ::osl;
  41 using namespace ::cppu;
  42
  43 namespace dbaccess
  44 {
  45
  46 // OQueryDescriptor
  47
  48 OQueryDescriptor::OQueryDescriptor()
  49     :OQueryDescriptor_Base(m_aMutex,*this)
  50     ,ODataSettings(m_aBHelper,true)
  51 {
  52     registerProperties();
  53     ODataSettings::registerPropertiesFor(this);
  54 }
  55
  56 OQueryDescriptor::OQueryDescriptor(const OQueryDescriptor_Base& _rSource)
  57     :OQueryDescriptor_Base(_rSource,*this)
  58     ,ODataSettings(m_aBHelper,true)
  59 {
  60     registerProperties();
  61     ODataSettings::registerPropertiesFor(this);
  62 }
  63
  64 OQueryDescriptor::~OQueryDescriptor()
  65 {
  66 }
  67
  68 css::uno::Sequence<sal_Int8> OQueryDescriptor::getImplementationId()
  69     throw (css::uno::RuntimeException, std::exception)
  70 {
  71     return css::uno::Sequence<sal_Int8>();
  72 }
  73
  74 IMPLEMENT_GETTYPES2(OQueryDescriptor,OQueryDescriptor_Base,ODataSettings);
  75 IMPLEMENT_FORWARD_XINTERFACE3( OQueryDescriptor,OWeakObject,OQueryDescriptor_Base,ODataSettings)
  76
  77 void OQueryDescriptor::registerProperties()
  78 {
  79     // the properties which OCommandBase supplies (it has no own registration, as it's not derived from
  80     // a OPropertyStateContainer)
  81     registerProperty(PROPERTY_NAME, PROPERTY_ID_NAME, PropertyAttribute::BOUND|PropertyAttribute::CONSTRAINED,
  82                     &m_sElementName, cppu::UnoType<decltype(m_sElementName)>::get());
  83
  84     registerProperty(PROPERTY_COMMAND, PROPERTY_ID_COMMAND, PropertyAttribute::BOUND,
  85                     &m_sCommand, cppu::UnoType<decltype(m_sCommand)>::get());
  86
  87     registerProperty(PROPERTY_ESCAPE_PROCESSING, PROPERTY_ID_ESCAPE_PROCESSING, PropertyAttribute::BOUND,
  88                     &m_bEscapeProcessing, cppu::UnoType<bool>::get());
  89
  90     registerProperty(PROPERTY_UPDATE_TABLENAME, PROPERTY_ID_UPDATE_TABLENAME, PropertyAttribute::BOUND,
  91                     &m_sUpdateTableName, cppu::UnoType<decltype(m_sUpdateTableName)>::get());
  92
  93     registerProperty(PROPERTY_UPDATE_SCHEMANAME, PROPERTY_ID_UPDATE_SCHEMANAME, PropertyAttribute::BOUND,
  94                     &m_sUpdateSchemaName, cppu::UnoType<decltype(m_sUpdateSchemaName)>::get());
  95
  96     registerProperty(PROPERTY_UPDATE_CATALOGNAME, PROPERTY_ID_UPDATE_CATALOGNAME, PropertyAttribute::BOUND,
  97                     &m_sUpdateCatalogName, cppu::UnoType<decltype(m_sUpdateCatalogName)>::get());
  98
  99     registerProperty(PROPERTY_LAYOUTINFORMATION, PROPERTY_ID_LAYOUTINFORMATION, PropertyAttribute::BOUND,
 100                     &m_aLayoutInformation, cppu::UnoType<decltype(m_aLayoutInformation)>::get());
 101 }
 102
 103 Reference< XPropertySetInfo > SAL_CALL OQueryDescriptor::getPropertySetInfo(  ) throw(RuntimeException, std::exception)
 104 {
 105     return createPropertySetInfo( getInfoHelper() ) ;
 106 }
 107
 108 ::cppu::IPropertyArrayHelper& OQueryDescriptor::getInfoHelper()
 109 {
 110     return *getArrayHelper();
 111 }
 112
 113 ::cppu::IPropertyArrayHelper* OQueryDescriptor::createArrayHelper( ) const
 114 {
 115     Sequence< Property > aProps;
 116     describeProperties(aProps);
 117     return new ::cppu::OPropertyArrayHelper(aProps);
 118 }
 119
 120
 121 OQueryDescriptor_Base::OQueryDescriptor_Base(::osl::Mutex&  _rMutex,::cppu::OWeakObject& _rMySelf)
 122     :m_bColumnsOutOfDate(true)
 123     ,m_rMutex(_rMutex)
 124 {
 125     m_pColumns = new OColumns(_rMySelf, m_rMutex, true,::std::vector< OUString>(), this,this);
 126 }
 127
 128 OQueryDescriptor_Base::OQueryDescriptor_Base(const OQueryDescriptor_Base& _rSource,::cppu::OWeakObject& _rMySelf)
 129     :m_bColumnsOutOfDate(true)
 130     ,m_rMutex(_rSource.m_rMutex)
 131 {
 132     m_pColumns = new OColumns(_rMySelf, m_rMutex, true,::std::vector< OUString>(), this,this);
 133
 134     m_sCommand = _rSource.m_sCommand;
 135     m_bEscapeProcessing = _rSource.m_bEscapeProcessing;
 136     m_sUpdateTableName = _rSource.m_sUpdateTableName;
 137     m_sUpdateSchemaName = _rSource.m_sUpdateSchemaName;
 138     m_sUpdateCatalogName = _rSource.m_sUpdateCatalogName;
 139     m_aLayoutInformation = _rSource.m_aLayoutInformation;
 140 }
 141
 142 OQueryDescriptor_Base::~OQueryDescriptor_Base()
 143 {
 144     m_pColumns->acquire();
 145     m_pColumns->disposing();
 146     delete m_pColumns;
 147
 148 }
 149
 150 sal_Int64 SAL_CALL OQueryDescriptor_Base::getSomething( const Sequence< sal_Int8 >& _rIdentifier ) throw(RuntimeException, std::exception)
 151 {
 152     if (_rIdentifier.getLength() != 16)
 153         return 0;
 154
 155     if (0 == memcmp(getUnoTunnelImplementationId().getConstArray(),  _rIdentifier.getConstArray(), 16 ) )
 156         return reinterpret_cast<sal_Int64>(this);
 157
 158     return 0;
 159 }
 160
 161 IMPLEMENT_IMPLEMENTATION_ID(OQueryDescriptor_Base)
 162
 163 void OQueryDescriptor_Base::setColumnsOutOfDate( bool _bOutOfDate )
 164 {
 165     m_bColumnsOutOfDate = _bOutOfDate;
 166     if ( !m_bColumnsOutOfDate )
 167         m_pColumns->setInitialized();
 168 }
 169
 170 void OQueryDescriptor_Base::implAppendColumn( const OUString& _rName, OColumn* _pColumn )
 171 {
 172     m_pColumns->append( _rName, _pColumn );
 173 }
 174
 175 void OQueryDescriptor_Base::clearColumns( )
 176 {
 177     m_pColumns->clearColumns();
 178
 179     setColumnsOutOfDate();
 180 }
 181
 182 Reference< XNameAccess > SAL_CALL OQueryDescriptor_Base::getColumns( ) throw (RuntimeException, std::exception)
 183 {
 184     MutexGuard aGuard(m_rMutex);
 185
 186     if ( isColumnsOutOfDate() )
 187     {
 188         // clear the current columns
 189         clearColumns();
 190
 191         // do this before rebuildColumns. This prevents recursion, e.g. in the case where we
 192         // have queries with cyclic references:
 193         // foo := SELECT * FROM bar
 194         // bar := SELECT * FROM foo
 195         setColumnsOutOfDate( false );
 196
 197         // rebuild them
 198         try
 199         {
 200             rebuildColumns();
 201         }
 202         catch ( const Exception& )
 203         {
 204             setColumnsOutOfDate( true );
 205             throw;
 206         }
 207     }
 208
 209     return m_pColumns;
 210 }
 211
 212 OUString SAL_CALL OQueryDescriptor_Base::getImplementationName(  ) throw(RuntimeException, std::exception)
 213 {
 214     return OUString("com.sun.star.sdb.OQueryDescriptor");
 215 }
 216
 217 sal_Bool SAL_CALL OQueryDescriptor_Base::supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception)
 218 {
 219     return cppu::supportsService(this, _rServiceName);
 220 }
 221
 222 Sequence< OUString > SAL_CALL OQueryDescriptor_Base::getSupportedServiceNames(  ) throw(RuntimeException, std::exception)
 223 {
 224     Sequence< OUString > aSupported(2);
 225     aSupported.getArray()[0] = SERVICE_SDB_DATASETTINGS;
 226     aSupported.getArray()[1] = SERVICE_SDB_QUERYDESCRIPTOR;
 227     return aSupported;
 228 }
 229
 230 void OQueryDescriptor_Base::disposeColumns()
 231 {
 232     m_pColumns->disposing();
 233 }
 234
 235 void OQueryDescriptor_Base::columnAppended( const Reference< XPropertySet >& /*_rxSourceDescriptor*/ )
 236 {
 237     // not interested in
 238 }
 239
 240 void OQueryDescriptor_Base::columnDropped(const OUString& /*_sName*/)
 241 {
 242     // not interested in
 243 }
 244
 245 Reference< XPropertySet > OQueryDescriptor_Base::createColumnDescriptor()
 246 {
 247     OSL_FAIL( "OQueryDescriptor_Base::createColumnDescriptor: called why?" );
 248     return NULL;
 249 }
 250
 251 void OQueryDescriptor_Base::rebuildColumns( )
 252 {
 253 }
 254
 255 // IRefreshableColumns
 256 void OQueryDescriptor_Base::refreshColumns()
 257 {
 258     MutexGuard aGuard( m_rMutex );
 259
 260     clearColumns();
 261     rebuildColumns();
 262 }
 263
 264 OColumn* OQueryDescriptor_Base::createColumn( const OUString& /*_rName*/ ) const
 265 {
 266     // creating a column/descriptor for a query/descriptor does not make sense at all
 267     return NULL;
 268 }
 269
 270 }
 271
 272 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */