ora::PVectorUpdater Class Reference

#include <PVectorStreamer.h>

Inheritance diagram for ora::PVectorUpdater:

List of all members.

Public Member Functions
bool	build (DataElement &offset, IRelationalData &relationalData, RelationalBuffer &operationBuffer)
	PVectorUpdater (const Reflex::Type &objectType, MappingElement &mapping, ContainerSchema &contSchema)
	Constructor.
void	setRecordId (const std::vector< int > &identity)
void	update (int oid, const void *data)
	Updates a data element.
virtual	~PVectorUpdater ()
Private Attributes
RelationalBuffer *	m_buffer
STLContainerWriter	m_writer

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Detailed Description

Definition at line 23 of file PVectorStreamer.h.

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Constructor & Destructor Documentation

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

Constructor.

Definition at line 31 of file PVectorStreamer.cc.

                                                                 :
  m_buffer(0),
  m_writer( objectType, mapping, contSchema ){
}

ora::PVectorUpdater::~PVectorUpdater

(

)

[virtual]

Definition at line 38 of file PVectorStreamer.cc.

                                  {
}

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Member Function Documentation

bool ora::PVectorUpdater::build	(	DataElement &	offset,
		IRelationalData &	relationalData,
		RelationalBuffer &	operationBuffer
	)		[virtual]

Implements ora::IRelationalUpdater.

Definition at line 41 of file PVectorStreamer.cc.

                                                                   {
  m_buffer = &operationBuffer;
  return m_writer.build( offset, relationalData, operationBuffer );
}

void ora::PVectorUpdater::setRecordId

(

const std::vector< int > &

identity

)

[virtual]

Implements ora::IRelationalUpdater.

Definition at line 48 of file PVectorStreamer.cc.

                                                                   {
  m_writer.setRecordId( identity );
}

void ora::PVectorUpdater::update	(	int	oid,
		const void *	data
	)		[virtual]

Updates a data element.

Implements ora::IRelationalUpdater.

Definition at line 52 of file PVectorStreamer.cc.

References ora::deleteArrayElements(), ora::IArrayHandler::persistentSize(), ora::IArrayHandler::size(), and ora::throwException().

                                                    {
  if(!m_writer.dataElement()){
    throwException("The streamer has not been built.",
                   "PVectorUpdater::update");
  }
  
  void* arrayData = m_writer.dataElement()->address( data );
  IArrayHandler& arrayHandler = *m_writer.arrayHandler();
  
  size_t arraySize = arrayHandler.size(arrayData);
  size_t* persistentSize = arrayHandler.persistentSize(arrayData);
  if(*persistentSize>arraySize){
    deleteArrayElements( m_writer.mapping(), oid, arraySize, *m_buffer );
  }
  else if(*persistentSize<arraySize) {
    m_writer.write( oid, data );
  }
  *persistentSize = arraySize;
}

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Member Data Documentation

RelationalBuffer* ora::PVectorUpdater::m_buffer [private]

Definition at line 36 of file PVectorStreamer.h.

STLContainerWriter ora::PVectorUpdater::m_writer [private]

Definition at line 37 of file PVectorStreamer.h.