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/typeprovider.hxx>
  28 #include <com/sun/star/beans/PropertyAttribute.hpp>
  29 #include "definitioncolumn.hxx"
  30 #include <tools/debug.hxx>
  31
  32 using namespace ::com::sun::star::uno;
  33 using namespace ::com::sun::star::awt;
  34 using namespace ::com::sun::star::lang;
  35 using namespace ::com::sun::star::beans;
  36 using namespace ::com::sun::star::container;
  37 using namespace ::com::sun::star::util;
  38 using namespace ::comphelper;
  39 using namespace ::osl;
  40 using namespace ::cppu;
  41
  42 namespace dbaccess
  43 {
  44
  45 //==========================================================================
  46 //= OQueryDescriptor
  47 //==========================================================================
  48 DBG_NAME(OQueryDescriptor)
  49
  50 OQueryDescriptor::OQueryDescriptor()
  51     :OQueryDescriptor_Base(m_aMutex,*this)
  52     ,ODataSettings(m_aBHelper,sal_True)
  53 {
  54     DBG_CTOR(OQueryDescriptor,NULL);
  55     registerProperties();
  56     ODataSettings::registerPropertiesFor(this);
  57 }
  58
  59 OQueryDescriptor::OQueryDescriptor(const OQueryDescriptor_Base& _rSource)
  60     :OQueryDescriptor_Base(_rSource,*this)
  61     ,ODataSettings(m_aBHelper,sal_True)
  62 {
  63     DBG_CTOR(OQueryDescriptor,NULL);
  64     registerProperties();
  65     ODataSettings::registerPropertiesFor(this);
  66 }
  67
  68 OQueryDescriptor::~OQueryDescriptor()
  69 {
  70     DBG_DTOR(OQueryDescriptor,NULL);
  71 }
  72
  73 IMPLEMENT_TYPEPROVIDER2(OQueryDescriptor,OQueryDescriptor_Base,ODataSettings);
  74 IMPLEMENT_FORWARD_XINTERFACE3( OQueryDescriptor,OWeakObject,OQueryDescriptor_Base,ODataSettings)
  75
  76 void OQueryDescriptor::registerProperties()
  77 {
  78     // the properties which OCommandBase supplies (it has no own registration, as it's not derived from
  79     // a OPropertyStateContainer)
  80     registerProperty(PROPERTY_NAME, PROPERTY_ID_NAME, PropertyAttribute::BOUND|PropertyAttribute::CONSTRAINED,
  81                     &m_sElementName, ::getCppuType(&m_sElementName));
  82
  83     registerProperty(PROPERTY_COMMAND, PROPERTY_ID_COMMAND, PropertyAttribute::BOUND,
  84                     &m_sCommand, ::getCppuType(&m_sCommand));
  85
  86     registerProperty(PROPERTY_ESCAPE_PROCESSING, PROPERTY_ID_ESCAPE_PROCESSING, PropertyAttribute::BOUND,
  87                     &m_bEscapeProcessing, ::getBooleanCppuType());
  88
  89     registerProperty(PROPERTY_UPDATE_TABLENAME, PROPERTY_ID_UPDATE_TABLENAME, PropertyAttribute::BOUND,
  90                     &m_sUpdateTableName, ::getCppuType(&m_sUpdateTableName));
  91
  92     registerProperty(PROPERTY_UPDATE_SCHEMANAME, PROPERTY_ID_UPDATE_SCHEMANAME, PropertyAttribute::BOUND,
  93                     &m_sUpdateSchemaName, ::getCppuType(&m_sUpdateSchemaName));
  94
  95     registerProperty(PROPERTY_UPDATE_CATALOGNAME, PROPERTY_ID_UPDATE_CATALOGNAME, PropertyAttribute::BOUND,
  96                     &m_sUpdateCatalogName, ::getCppuType(&m_sUpdateCatalogName));
  97
  98     registerProperty(PROPERTY_LAYOUTINFORMATION, PROPERTY_ID_LAYOUTINFORMATION, PropertyAttribute::BOUND,
  99                     &m_aLayoutInformation, ::getCppuType(&m_aLayoutInformation));
 100 }
 101
 102 Reference< XPropertySetInfo > SAL_CALL OQueryDescriptor::getPropertySetInfo(  ) throw(RuntimeException)
 103 {
 104     return createPropertySetInfo( getInfoHelper() ) ;
 105 }
 106
 107 ::cppu::IPropertyArrayHelper& OQueryDescriptor::getInfoHelper()
 108 {
 109     return *getArrayHelper();
 110 }
 111
 112 ::cppu::IPropertyArrayHelper* OQueryDescriptor::createArrayHelper( ) const
 113 {
 114     Sequence< Property > aProps;
 115     describeProperties(aProps);
 116     return new ::cppu::OPropertyArrayHelper(aProps);
 117 }
 118
 119 DBG_NAME(OQueryDescriptor_Base);
 120
 121 OQueryDescriptor_Base::OQueryDescriptor_Base(::osl::Mutex&  _rMutex,::cppu::OWeakObject& _rMySelf)
 122     :m_bColumnsOutOfDate(sal_True)
 123     ,m_rMutex(_rMutex)
 124 {
 125     DBG_CTOR(OQueryDescriptor_Base,NULL);
 126     m_pColumns = new OColumns(_rMySelf, m_rMutex, sal_True,::std::vector< ::rtl::OUString>(), this,this);
 127 }
 128
 129 OQueryDescriptor_Base::OQueryDescriptor_Base(const OQueryDescriptor_Base& _rSource,::cppu::OWeakObject& _rMySelf)
 130     :m_bColumnsOutOfDate(sal_True)
 131     ,m_rMutex(_rSource.m_rMutex)
 132 {
 133     DBG_CTOR(OQueryDescriptor_Base,NULL);
 134     m_pColumns = new OColumns(_rMySelf, m_rMutex, sal_True,::std::vector< ::rtl::OUString>(), this,this);
 135
 136     m_sCommand = _rSource.m_sCommand;
 137     m_bEscapeProcessing = _rSource.m_bEscapeProcessing;
 138     m_sUpdateTableName = _rSource.m_sUpdateTableName;
 139     m_sUpdateSchemaName = _rSource.m_sUpdateSchemaName;
 140     m_sUpdateCatalogName = _rSource.m_sUpdateCatalogName;
 141     m_aLayoutInformation = _rSource.m_aLayoutInformation;
 142 }
 143
 144 OQueryDescriptor_Base::~OQueryDescriptor_Base()
 145 {
 146     m_pColumns->acquire();
 147     m_pColumns->disposing();
 148     delete m_pColumns;
 149
 150     DBG_DTOR(OQueryDescriptor_Base,NULL);
 151 }
 152
 153 sal_Int64 SAL_CALL OQueryDescriptor_Base::getSomething( const Sequence< sal_Int8 >& _rIdentifier ) throw(RuntimeException)
 154 {
 155     if (_rIdentifier.getLength() != 16)
 156         return 0;
 157
 158     if (0 == memcmp(getImplementationId().getConstArray(),  _rIdentifier.getConstArray(), 16 ) )
 159         return reinterpret_cast<sal_Int64>(this);
 160
 161     return 0;
 162 }
 163
 164 IMPLEMENT_IMPLEMENTATION_ID(OQueryDescriptor_Base)
 165
 166 void OQueryDescriptor_Base::setColumnsOutOfDate( sal_Bool _bOutOfDate )
 167 {
 168     m_bColumnsOutOfDate = _bOutOfDate;
 169     if ( !m_bColumnsOutOfDate )
 170         m_pColumns->setInitialized();
 171 }
 172
 173 void OQueryDescriptor_Base::implAppendColumn( const ::rtl::OUString& _rName, OColumn* _pColumn )
 174 {
 175     m_pColumns->append( _rName, _pColumn );
 176 }
 177
 178 void OQueryDescriptor_Base::clearColumns( )
 179 {
 180     m_pColumns->clearColumns();
 181
 182     setColumnsOutOfDate();
 183 }
 184
 185 Reference< XNameAccess > SAL_CALL OQueryDescriptor_Base::getColumns( ) throw (RuntimeException)
 186 {
 187     MutexGuard aGuard(m_rMutex);
 188
 189     if ( isColumnsOutOfDate() )
 190     {
 191         // clear the current columns
 192         clearColumns();
 193
 194         // do this before rebuildColumns. This prevents recursion, e.g. in the case where we
 195         // have queries with cyclic references:
 196         // foo := SELECT * FROM bar
 197         // bar := SELECT * FROM foo
 198         setColumnsOutOfDate( sal_False );
 199
 200         // rebuild them
 201         try
 202         {
 203             rebuildColumns();
 204         }
 205         catch ( const Exception& )
 206         {
 207             setColumnsOutOfDate( sal_True );
 208             throw;
 209         }
 210     }
 211
 212     return m_pColumns;
 213 }
 214
 215 ::rtl::OUString SAL_CALL OQueryDescriptor_Base::getImplementationName(  ) throw(RuntimeException)
 216 {
 217     return ::rtl::OUString("com.sun.star.sdb.OQueryDescriptor");
 218 }
 219
 220 sal_Bool SAL_CALL OQueryDescriptor_Base::supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException)
 221 {
 222     return ::comphelper::findValue(getSupportedServiceNames(), _rServiceName, sal_True).getLength() != 0;
 223 }
 224
 225 Sequence< ::rtl::OUString > SAL_CALL OQueryDescriptor_Base::getSupportedServiceNames(  ) throw(RuntimeException)
 226 {
 227     Sequence< ::rtl::OUString > aSupported(2);
 228     aSupported.getArray()[0] = SERVICE_SDB_DATASETTINGS;
 229     aSupported.getArray()[1] = SERVICE_SDB_QUERYDESCRIPTOR;
 230     return aSupported;
 231 }
 232
 233 void OQueryDescriptor_Base::disposeColumns()
 234 {
 235     m_pColumns->disposing();
 236 }
 237
 238 void OQueryDescriptor_Base::columnAppended( const Reference< XPropertySet >& /*_rxSourceDescriptor*/ )
 239 {
 240     // not interested in
 241 }
 242
 243 void OQueryDescriptor_Base::columnDropped(const ::rtl::OUString& /*_sName*/)
 244 {
 245     // not interested in
 246 }
 247
 248 Reference< XPropertySet > OQueryDescriptor_Base::createColumnDescriptor()
 249 {
 250     OSL_FAIL( "OQueryDescriptor_Base::createColumnDescriptor: called why?" );
 251     return NULL;
 252 }
 253
 254 void OQueryDescriptor_Base::rebuildColumns( )
 255 {
 256 }
 257
 258 // IRefreshableColumns
 259 void OQueryDescriptor_Base::refreshColumns()
 260 {
 261     MutexGuard aGuard( m_rMutex );
 262
 263     clearColumns();
 264     rebuildColumns();
 265 }
 266
 267 OColumn* OQueryDescriptor_Base::createColumn( const ::rtl::OUString& /*_rName*/ ) const
 268 {
 269     // creating a column/descriptor for a query/descriptor does not make sense at all
 270     return NULL;
 271 }
 272
 273 }
 274
 275 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */