ora::NamedReferenceStreamerBase Class Reference

#include <NamedRefStreamer.h>

Inheritance diagram for ora::NamedReferenceStreamerBase:

Public Member Functions
void	bindDataForRead (void *data)
void	bindDataForUpdate (const void *data)
bool	buildDataElement (DataElement &dataElement, IRelationalData &relationalData)
	NamedReferenceStreamerBase (const Reflex::Type &objectType, MappingElement &mapping, ContainerSchema &schema)
virtual	~NamedReferenceStreamerBase ()

Private Attributes
const std::vector< std::string > &	m_columns
DataElement *	m_dataElement
DataElement *	m_flagDataElement
Reflex::Type	m_objectType
DataElement *	m_ptrDataElement
DataElement *	m_refNameDataElement
IRelationalData *	m_relationalData
ContainerSchema &	m_schema

Detailed Description

Definition at line 20 of file NamedRefStreamer.h.

Constructor & Destructor Documentation

ora::NamedReferenceStreamerBase::NamedReferenceStreamerBase ( const Reflex::Type &  objectType, MappingElement &  mapping, ContainerSchema &  schema  )

explicit

Definition at line 19 of file NamedRefStreamer.cc.

                                                                                     :
  m_objectType( objectType ),
  m_columns( mapping.columnNames() ),
  m_schema( schema ),
  m_dataElement( 0 ),
  m_refNameDataElement( 0 ),
  m_ptrDataElement( 0 ),
  m_flagDataElement( 0 ),
  m_relationalData( 0 ){
}

ora::NamedReferenceStreamerBase::~NamedReferenceStreamerBase ( )

virtual

Definition at line 32 of file NamedRefStreamer.cc.

                                                          {
}

Member Function Documentation

void ora::NamedReferenceStreamerBase::bindDataForRead

(

void *

data

)

Definition at line 81 of file NamedRefStreamer.cc.

References AlCaRecoCosmics_cfg::name, ora::namedRefNullLabel(), and ora::throwException().

                                                               {
  if(!m_relationalData){
    throwException("The streamer has not been built.",
                   "NamedReferenceStreamerBase::bindDataForRead");
  }
  void* refNameAddress = m_refNameDataElement->address( data );
  void* ptrAddress = m_ptrDataElement->address( data );
  void* flagAddress = m_flagDataElement->address( data );
  coral::Attribute& refNameAttr = m_relationalData->data()[ m_columns[0] ];
  std::string name = refNameAttr.data<std::string>();
  if( name == namedRefNullLabel() ){
    name = std::string("");
  }
  if(!name.empty()){
    Reflex::Type namedRefType = m_objectType.TemplateArgumentAt(0);
    boost::shared_ptr<void> ptr = m_schema.dbSession().fetchTypedObjectByName( name, namedRefType );
    *static_cast<boost::shared_ptr<void>*>(ptrAddress) = ptr;
    *static_cast<bool*>(flagAddress) = true;
  }
  *static_cast<std::string*>(refNameAddress) = name;
}

void ora::NamedReferenceStreamerBase::bindDataForUpdate

(

const void *

data

)

Definition at line 68 of file NamedRefStreamer.cc.

References AlCaRecoCosmics_cfg::name, ora::namedRefNullLabel(), and ora::throwException().

                                                                       {
  if(!m_relationalData){
    throwException("The streamer has not been built.",
                   "NamedReferenceStreamerBase::bindDataForUpdate");
  }
  
  void* refNameAddress = m_refNameDataElement->address( data );
  coral::Attribute& refNameAttr = m_relationalData->data()[ m_columns[0] ];
  std::string name = *static_cast<std::string*>(refNameAddress);
  if( name.empty() ) name = namedRefNullLabel();
  refNameAttr.data<std::string>()= name;
}

bool ora::NamedReferenceStreamerBase::buildDataElement	(	DataElement &	dataElement,
		IRelationalData &	relationalData
	)

Definition at line 36 of file NamedRefStreamer.cc.

References ora::DataElement::addChild(), ora::IRelationalData::addData(), and ora::throwException().

                                                                                       {
  m_dataElement = &dataElement;
  m_objectType.UpdateMembers();
  Reflex::Member nameMember = m_objectType.DataMemberByName("m_name");
  if( !nameMember ){
    throwException("Data member \"m_name\" not found in class \""+m_objectType.Name()+"\".",
                   "NamedReferenceStreamerBase::buildDataElement");
  }
  m_refNameDataElement = &dataElement.addChild( nameMember.Offset(), 0 );
  Reflex::Member ptrMember = m_objectType.DataMemberByName("m_ptr");
  if( !ptrMember ){
    throwException("Data member \"m_ptr\" not found in class \""+m_objectType.Name()+"\".",
                   "NamedReferenceStreamerBase::buildDataElement");
  }
  m_ptrDataElement = &dataElement.addChild( ptrMember.Offset(), 0 );
  Reflex::Member flagMember = m_objectType.DataMemberByName("m_isPersistent");
  if( !flagMember ){
    throwException("Data member \"m_isPersistent\" not found in class \""+m_objectType.Name()+"\".",
                   "NamedReferenceStreamerBase::buildDataElement");
  }
  m_flagDataElement = &dataElement.addChild( flagMember.Offset(), 0 );
  // then book the column in the data attribute...  
  if( m_columns.size()==0 ){
      throwException("No columns found in the mapping element",
                     "NamedReferenceStreamerBase::buildDataElement");    
  }  
  relationalData.addData( m_columns[0],  typeid(std::string) );
  m_relationalData = &relationalData;
  return true;
}

Member Data Documentation

const std::vector<std::string>& ora::NamedReferenceStreamerBase::m_columns

private

Definition at line 37 of file NamedRefStreamer.h.

DataElement* ora::NamedReferenceStreamerBase::m_dataElement

private

Definition at line 39 of file NamedRefStreamer.h.

DataElement* ora::NamedReferenceStreamerBase::m_flagDataElement

private

Definition at line 42 of file NamedRefStreamer.h.

Reflex::Type ora::NamedReferenceStreamerBase::m_objectType

private

Definition at line 36 of file NamedRefStreamer.h.

DataElement* ora::NamedReferenceStreamerBase::m_ptrDataElement

private

Definition at line 41 of file NamedRefStreamer.h.

DataElement* ora::NamedReferenceStreamerBase::m_refNameDataElement

private

Definition at line 40 of file NamedRefStreamer.h.

IRelationalData* ora::NamedReferenceStreamerBase::m_relationalData

private

Definition at line 43 of file NamedRefStreamer.h.

ContainerSchema& ora::NamedReferenceStreamerBase::m_schema

private

Definition at line 38 of file NamedRefStreamer.h.