ora::OraPtrReader Class Reference

#include <OraPtrStreamer.h>

Inheritance diagram for ora::OraPtrReader:

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

Private Attributes
DataElement *	m_dataElement
std::vector< boost::shared_ptr < IPtrLoader > >	m_loaders
Reflex::Type	m_objectType
std::auto_ptr< OraPtrReadBuffer >	m_readBuffer
std::vector< int >	m_tmpIds

Detailed Description

Definition at line 71 of file OraPtrStreamer.h.

Constructor & Destructor Documentation

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

Definition at line 266 of file OraPtrStreamer.cc.

References m_readBuffer.

                                                              :
  m_objectType( objectType ),
  m_dataElement( 0 ),
  m_readBuffer(),
  m_loaders(),
  m_tmpIds(){
  m_readBuffer.reset( new OraPtrReadBuffer( objectType, mapping, contSchema ));
}

ora::OraPtrReader::~OraPtrReader ( )

virtual

Definition at line 277 of file OraPtrStreamer.cc.

                              {
  for(std::vector<boost::shared_ptr<IPtrLoader> >::const_iterator iL = m_loaders.begin();
      iL != m_loaders.end(); ++iL ){
    (*iL)->invalidate();
  }
}

Member Function Documentation

bool ora::OraPtrReader::build ( DataElement &  offset, IRelationalData &  relationalData  )

virtual

Implements ora::IRelationalReader.

Definition at line 284 of file OraPtrStreamer.cc.

References ora::DataElement::clear().

                                                 {
  m_dataElement = &dataElement;
  m_tmpIds.clear();
  m_tmpIds.push_back(0);
  return m_readBuffer->build( dataElement );
}

void ora::OraPtrReader::clear ( void  )

virtual

Implements ora::IRelationalReader.

Definition at line 322 of file OraPtrStreamer.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::OraPtrReader::read ( void *  destination )

virtual

Reads a data element.

Read a data element.

Implements ora::IRelationalReader.

Definition at line 305 of file OraPtrStreamer.cc.

References ora::DataElement::addChild(), ora::DataElement::address(), and 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.",
                   "OraPtrReader::read");    
  }
  // resolving loader address
  Reflex::Member loaderMember = m_objectType.MemberByName("m_loader");
  DataElement& loaderElement = m_dataElement->addChild( loaderMember.Offset(), 0 );
  void* loaderAddress = loaderElement.address( data );
  boost::shared_ptr<IPtrLoader>* loaderPtr = static_cast<boost::shared_ptr<IPtrLoader>*>( loaderAddress );
  // creating new loader
  boost::shared_ptr<IPtrLoader> newLoader( new RelationalPtrLoader( *m_readBuffer, m_tmpIds ) );
  m_loaders.push_back( newLoader );
  // installing the new loader
  *loaderPtr = newLoader;
}

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

virtual

Implements ora::IRelationalReader.

Definition at line 292 of file OraPtrStreamer.cc.

References ora::throwException().

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().

                                     {
  if(!m_dataElement) throwException( "The streamer has not been built.","OraPtrReader::select");
  m_tmpIds[0] = oid;
}

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

virtual

Implements ora::IRelationalReader.

Definition at line 297 of file OraPtrStreamer.cc.

References i.

                                                                 {
  m_tmpIds.resize( 1+identity.size() );
  for( size_t i=0;i<identity.size();i++){
    m_tmpIds[1+i] = identity[i];
  }
}

Member Data Documentation

DataElement* ora::OraPtrReader::m_dataElement

private

Definition at line 93 of file OraPtrStreamer.h.

std::vector<boost::shared_ptr<IPtrLoader> > ora::OraPtrReader::m_loaders

private

Definition at line 95 of file OraPtrStreamer.h.

Reflex::Type ora::OraPtrReader::m_objectType

private

Definition at line 92 of file OraPtrStreamer.h.

std::auto_ptr<OraPtrReadBuffer> ora::OraPtrReader::m_readBuffer

private

Definition at line 94 of file OraPtrStreamer.h.

Referenced by OraPtrReader().

std::vector<int> ora::OraPtrReader::m_tmpIds

private

Definition at line 96 of file OraPtrStreamer.h.