ora::BlobReader Class Reference

#include <BlobStreamer.h>

Inheritance diagram for ora::BlobReader:

Public Member Functions
	BlobReader (const Reflex::Type &objectType, MappingElement &mapping, ContainerSchema &contSchema)
bool	build (DataElement &dataElement, IRelationalData &relationalData)
void	clear ()
void	read (void *data)
	Reads a data element. More...
void	select (int oid)
void	setRecordId (const std::vector< int > &identity)
virtual	~BlobReader ()
Public Member Functions inherited from ora::IRelationalReader
virtual	~IRelationalReader ()

Private Attributes
IBlobStreamingService *	m_blobReader
int	m_columnIndex
DataElement *	m_dataElement
MappingElement &	m_mapping
Reflex::Type	m_objectType
IRelationalData *	m_relationalData
ContainerSchema &	m_schema

Detailed Description

Definition at line 71 of file BlobStreamer.h.

Constructor & Destructor Documentation

ora::BlobReader::BlobReader	(	const Reflex::Type &	objectType,
		MappingElement &	mapping,
		ContainerSchema &	contSchema
	)

Definition at line 114 of file BlobStreamer.cc.

                                                          :
  m_objectType( objectType ),
  m_mapping( mapping ),
  m_columnIndex( -1 ),
  m_schema( contSchema ),
  m_dataElement( 0 ),
  m_relationalData( 0 ),
  m_blobReader( 0 ){
}

ora::BlobReader::~BlobReader ( )

virtual

Definition at line 126 of file BlobStreamer.cc.

                          {
}

Member Function Documentation

bool ora::BlobReader::build ( DataElement &  dataElement, IRelationalData &  relationalData  )

virtual

Implements ora::IRelationalReader.

Definition at line 129 of file BlobStreamer.cc.

References ora::IRelationalData::addBlobData(), and ora::throwException().

                                                            {
  
  if( m_mapping.columnNames().size() == 0 ){
    throwException( "The mapping element does not contain columns.",
                    "BlobReader::build");
  }

  m_dataElement = &dataElement;
  std::string columnName = m_mapping.columnNames()[0];
  m_columnIndex = relationalData.addBlobData( columnName );
  m_relationalData = &relationalData;
  m_blobReader = m_schema.blobStreamingService();
  if(!m_blobReader){
    throwException("Blob Streaming Service is not installed.",
                   "BlobReader::build");
  }
  return true;
}

void ora::BlobReader::clear ( void  )

virtual

Implements ora::IRelationalReader.

Definition at line 165 of file BlobStreamer.cc.

Referenced by Vispa.Views.WidgetView.WidgetView::closeEvent(), Vispa.Views.BoxDecayView.BoxDecayView::closeEvent(), Vispa.Share.FindAlgorithm.FindAlgorithm::findUsingFindDialog(), Vispa.Views.LineDecayView.LineDecayView::setDataObjects(), Vispa.Views.WidgetView.WidgetView::setDataObjects(), BeautifulSoup.Tag::setString(), Vispa.Views.TreeView.TreeView::updateContent(), Vispa.Views.TableView.TableView::updateContent(), Vispa.Views.BoxDecayView.BoxDecayView::updateContent(), and Vispa.Views.PropertyView.PropertyView::updateContent().

                         {
}

void ora::BlobReader::read ( void *  address )

virtual

Reads a data element.

Implements ora::IRelationalReader.

Definition at line 155 of file BlobStreamer.cc.

References ora::throwException().

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

                                    {
  if( ! m_dataElement ){
    throwException( "The streamer has not been built.",
                    "BlobReader::read");
  }
  void* dataElementAddress = m_dataElement->address( data );
  coral::Attribute& relDataElement = m_relationalData->data()[ m_columnIndex ];
  m_blobReader->read(relDataElement.data<coral::Blob>(), dataElementAddress, m_objectType );
}

void ora::BlobReader::select ( int  oid )

virtual

Implements ora::IRelationalReader.

Definition at line 149 of file BlobStreamer.cc.

Referenced by Vispa.Views.LineDecayView.LineDecayContainer::createObject(), Vispa.Plugins.Browser.BrowserTabController.BrowserTabController::find(), Vispa.Views.LineDecayView.LineDecayContainer::mousePressEvent(), Vispa.Gui.PortConnection.PointToPointConnection::mousePressEvent(), Vispa.Gui.VispaWidget.VispaWidget::mousePressEvent(), and Vispa.Views.AbstractView.AbstractView::restoreSelection().

                               {
}

void ora::BlobReader::setRecordId ( const std::vector< int > &  identity )

virtual

Implements ora::IRelationalReader.

Definition at line 152 of file BlobStreamer.cc.

                                                      {
}

Member Data Documentation

IBlobStreamingService* ora::BlobReader::m_blobReader

private

Definition at line 97 of file BlobStreamer.h.

int ora::BlobReader::m_columnIndex

private

Definition at line 91 of file BlobStreamer.h.

DataElement* ora::BlobReader::m_dataElement

private

Definition at line 95 of file BlobStreamer.h.

MappingElement& ora::BlobReader::m_mapping

private

Definition at line 90 of file BlobStreamer.h.

Reflex::Type ora::BlobReader::m_objectType

private

Definition at line 89 of file BlobStreamer.h.

IRelationalData* ora::BlobReader::m_relationalData

private

Definition at line 96 of file BlobStreamer.h.

ContainerSchema& ora::BlobReader::m_schema

private

Definition at line 92 of file BlobStreamer.h.