ora::DependentClassReader Class Reference

Public Member Functions
void	build (const Reflex::Type &objectType, MappingElement &depMapping, ContainerSchema &contSchema)
	DependentClassReader ()
void *	read (int refId)
	~DependentClassReader ()

Private Attributes
DataElement	m_dataElement
std::auto_ptr< SelectOperation >	m_depQuery
std::auto_ptr< IRelationalReader >	m_reader
Reflex::Type	m_type

Detailed Description

Definition at line 74 of file UniqueRefStreamer.cc.

Constructor & Destructor Documentation

ora::DependentClassReader::DependentClassReader ( )

inline

Definition at line 76 of file UniqueRefStreamer.cc.

                            :
        m_dataElement(),
        m_type(),
        m_reader(),
        m_depQuery(){
      }

ora::DependentClassReader::~DependentClassReader ( )

inline

Definition at line 101 of file UniqueRefStreamer.cc.

                             {
      }

Member Function Documentation

void ora::DependentClassReader::build ( const Reflex::Type &  objectType, MappingElement &  depMapping, ContainerSchema &  contSchema  )

inline

Definition at line 83 of file UniqueRefStreamer.cc.

References ora::MappingElement::columnNames(), ora::MappingElement::end(), ora::MappingElement::find(), m_dataElement, m_depQuery, m_reader, m_type, ora::RelationalStreamerFactory::newReader(), ora::ContainerSchema::storageSchema(), ora::MappingElement::tableName(), and ora::throwException().

Referenced by ora::RelationalRefLoader::build().

                                                                                                         {

        m_type = objectType;
        m_depQuery.reset( new SelectOperation( depMapping.tableName(), contSchema.storageSchema()));
        m_depQuery->addWhereId(  depMapping.columnNames()[ 1 ] );
        MappingElement::iterator iMap = depMapping.find( m_type.Name(Reflex::SCOPED) );
        // the first inner mapping is the good one ...
        if( iMap == depMapping.end()){
          throwException("Could not find a mapping element for class \""+
                         m_type.Name(Reflex::SCOPED)+"\"",
                         "DependentClassReadBuffer::ReadBuffer");
        }
        MappingElement& mapping = iMap->second;
        RelationalStreamerFactory streamerFactory( contSchema );
        m_reader.reset( streamerFactory.newReader( m_type, mapping )) ;
        m_reader->build( m_dataElement , *m_depQuery );
      }

void* ora::DependentClassReader::read ( int  refId )

inline

Definition at line 104 of file UniqueRefStreamer.cc.

References ora::ClassUtils::constructObject(), m_depQuery, m_reader, m_type, and ora::throwException().

Referenced by Vispa.Plugins.EdmBrowser.EdmDataAccessor.EdmDataAccessor::goto(), ora::RelationalRefLoader::load(), and Vispa.Plugins.EdmBrowser.EdmDataAccessor.EdmDataAccessor::setFilterBranches().

                             {
        if( !m_depQuery.get() ){
          throwException( "DependentClassReader has not been built.",
                          "DependentClassReader::read");
        }
        coral::AttributeList& whereData = m_depQuery->whereData();
        coral::AttributeList::iterator iWData = whereData.begin();
        iWData->data<int>() = refId;
        m_depQuery->execute();
        m_reader->select( refId );
        void* destination = 0;
        if( m_depQuery->nextCursorRow() ){
          destination = ClassUtils::constructObject( m_type );
          m_reader->read( destination );
        }
        m_depQuery->clear();
        m_reader->clear();
        return destination;
      }

Member Data Documentation

DataElement ora::DependentClassReader::m_dataElement

private

Definition at line 125 of file UniqueRefStreamer.cc.

Referenced by build().

std::auto_ptr<SelectOperation> ora::DependentClassReader::m_depQuery

private

Definition at line 128 of file UniqueRefStreamer.cc.

Referenced by build(), and read().

std::auto_ptr<IRelationalReader> ora::DependentClassReader::m_reader

private

Definition at line 127 of file UniqueRefStreamer.cc.

Referenced by build(), and read().

Reflex::Type ora::DependentClassReader::m_type

private

Definition at line 126 of file UniqueRefStreamer.cc.

Referenced by build(), and read().