ora::MultiRecordSelectOperation Class Reference

#include <MultiRecordSelectOperation.h>

Inheritance diagram for ora::MultiRecordSelectOperation:

Public Member Functions
int	addBlobData (const std::string &columnName)
int	addData (const std::string &columnName, const std::type_info &columnType)
int	addId (const std::string &columnName)
void	addOrderId (const std::string &columnName)
int	addWhereId (const std::string &columnName)
void	clear ()
coral::AttributeList &	data ()
void	execute ()
	MultiRecordSelectOperation (const std::string &tableName, coral::ISchema &schema)
size_t	selectionSize (const std::vector< int > &selection, size_t numberOfIndexes)
void	selectRow (const std::vector< int > &selection)
std::string &	whereClause ()
coral::AttributeList &	whereData ()
	~MultiRecordSelectOperation ()
Public Member Functions inherited from ora::IRelationalData
virtual	~IRelationalData ()

Private Attributes
MultiIndexDataTrie	m_cache
std::vector< std::string >	m_idCols
SelectOperation	m_query
std::auto_ptr < coral::AttributeList >	m_row
RecordSpec	m_spec

Detailed Description

Definition at line 10 of file MultiRecordSelectOperation.h.

Constructor & Destructor Documentation

ora::MultiRecordSelectOperation::MultiRecordSelectOperation	(	const std::string &	tableName,
		coral::ISchema &	schema
	)

Definition at line 7 of file MultiRecordSelectOperation.cc.

                                                                                    :
  m_query( tableName, schema ),
  m_idCols(),
  m_cache(),
  m_spec(),
  m_row(){
  //m_row( 0 ){
}

ora::MultiRecordSelectOperation::~MultiRecordSelectOperation

(

)

Definition at line 17 of file MultiRecordSelectOperation.cc.

                                                          {
}

Member Function Documentation

int ora::MultiRecordSelectOperation::addBlobData ( const std::string &  columnName )

virtual

Implements ora::IRelationalData.

Definition at line 59 of file MultiRecordSelectOperation.cc.

                                                                         {
  m_spec.add( columnName, typeid(coral::Blob) );
  return m_query.addBlobData( columnName );  
}

int ora::MultiRecordSelectOperation::addData ( const std::string &  columnName, const std::type_info &  columnType  )

virtual

Implements ora::IRelationalData.

Definition at line 53 of file MultiRecordSelectOperation.cc.

                                                         {
  m_spec.add( columnName, columnType );
  return m_query.addData( columnName, columnType );  
}

int ora::MultiRecordSelectOperation::addId ( const std::string &  columnName )

virtual

Implements ora::IRelationalData.

Definition at line 48 of file MultiRecordSelectOperation.cc.

                                                                   {
  m_spec.add( columnName, typeid(int) );
  return m_query.addId( columnName );
}

void ora::MultiRecordSelectOperation::addOrderId

(

const std::string &

columnName

)

Definition at line 20 of file MultiRecordSelectOperation.cc.

                                                                         {
  m_query.addOrderId( columnName );
  m_idCols.push_back( columnName );
}

int ora::MultiRecordSelectOperation::addWhereId ( const std::string &  columnName )

virtual

Implements ora::IRelationalData.

Definition at line 64 of file MultiRecordSelectOperation.cc.

                                                                        {
  return m_query.addWhereId( columnName ); 
}

void ora::MultiRecordSelectOperation::clear

(

void

)

Definition at line 40 of file MultiRecordSelectOperation.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().

                                         {
  m_row.reset();
  //m_row = 0;
  m_cache.clear();
  //m_idCols.clear();
  m_query.clear();
}

coral::AttributeList & ora::MultiRecordSelectOperation::data ( )

virtual

Implements ora::IRelationalData.

Definition at line 68 of file MultiRecordSelectOperation.cc.

References ora::throwException().

                                                       {
  //if(!m_row){
  if(!m_row.get()){
    throwException( "No record available.",
                    "MultiRecordSelectOperation::data" );
  }
  return *m_row;
}

void ora::MultiRecordSelectOperation::execute

(

)

Definition at line 85 of file MultiRecordSelectOperation.cc.

References i, and funct::true.

                                           {
  //m_row = 0;
  //  m_row.reset();
  m_cache.clear();
  m_query.execute();
  std::vector<int> indexes;
  while( m_query.nextCursorRow() ){
    coral::AttributeList& row = m_query.data();
    for(size_t i=0;i<m_idCols.size();i++){
      indexes.push_back( row[m_idCols[i]].data<int>() );
    }
    Record rec(m_spec);
    newRecordFromAttributeList(rec, row );
    m_cache.push( indexes, rec );
    indexes.clear();
  }
  m_row.reset(new coral::AttributeList(m_query.attributeListSpecification(), true ));
  m_query.clear();
}

size_t ora::MultiRecordSelectOperation::selectionSize	(	const std::vector< int > &	selection,
		size_t	numberOfIndexes
	)

Definition at line 34 of file MultiRecordSelectOperation.cc.

                                                                                {
  if(m_cache.size()==0) return 0;
  return m_cache.branchSize(selection, numberOfIndexes);
}

void ora::MultiRecordSelectOperation::selectRow

(

const std::vector< int > &

selection

)

Definition at line 25 of file MultiRecordSelectOperation.cc.

References ora::throwException().

                                                                              {
  if(!m_row.get())
    throwException( "No row available.",
                    "MultiRecordSelectOperation::selectRow" );
  //m_row = &m_cache.lookup( selection );
  Record rec; m_cache.lookupAndClear( selection,rec );
  newAttributeListFromRecord( *m_row, rec );
}

std::string & ora::MultiRecordSelectOperation::whereClause ( )

virtual

Implements ora::IRelationalData.

Definition at line 81 of file MultiRecordSelectOperation.cc.

                                                     {
  return m_query.whereClause();
}

coral::AttributeList & ora::MultiRecordSelectOperation::whereData ( )

virtual

Implements ora::IRelationalData.

Definition at line 77 of file MultiRecordSelectOperation.cc.

                                                            {
  return m_query.whereData();
}

Member Data Documentation

MultiIndexDataTrie ora::MultiRecordSelectOperation::m_cache

private

Definition at line 39 of file MultiRecordSelectOperation.h.

std::vector<std::string> ora::MultiRecordSelectOperation::m_idCols

private

Definition at line 38 of file MultiRecordSelectOperation.h.

SelectOperation ora::MultiRecordSelectOperation::m_query

private

Definition at line 37 of file MultiRecordSelectOperation.h.

std::auto_ptr<coral::AttributeList> ora::MultiRecordSelectOperation::m_row

private

Definition at line 41 of file MultiRecordSelectOperation.h.

RecordSpec ora::MultiRecordSelectOperation::m_spec

private

Definition at line 40 of file MultiRecordSelectOperation.h.