ora::DeleteBuffer Class Reference

Public Member Functions
	DeleteBuffer (ContainerSchema &contSchema)
size_t	flush ()
void	registerForDelete (int oid)
	~DeleteBuffer ()

Private Attributes
std::vector< int >	m_buffer
std::auto_ptr< RelationalDeleter >	m_depDeleter
std::auto_ptr< RelationalDeleter >	m_mainDeleter
RelationalBuffer	m_operationBuffer

Detailed Description

Definition at line 207 of file DatabaseContainer.cc.

Constructor & Destructor Documentation

ora::DeleteBuffer::DeleteBuffer ( ContainerSchema &  contSchema )

inlineexplicit

Definition at line 209 of file DatabaseContainer.cc.

References m_depDeleter, m_mainDeleter, m_operationBuffer, ora::ContainerSchema::mapping(), ora::ContainerSchema::mappingForDependentClasses(), and ora::MappingTree::topElement().

                                                          :
        m_buffer(),
        m_operationBuffer( contSchema.storageSchema() ),
        m_mainDeleter(),
        m_depDeleter(){
        m_mainDeleter.reset( new RelationalDeleter( contSchema.mapping().topElement() ));
        m_mainDeleter->build( m_operationBuffer );
        
        std::vector<MappingElement> dependentMappings;
        contSchema.mappingForDependentClasses( dependentMappings );
        m_depDeleter.reset( new RelationalDeleter( dependentMappings ) );
        m_depDeleter->build( m_operationBuffer );
        dependentMappings.clear();                             
      }

ora::DeleteBuffer::~DeleteBuffer ( )

inline

Definition at line 224 of file DatabaseContainer.cc.

                     {
      }

Member Function Documentation

size_t ora::DeleteBuffer::flush ( )

inline

Definition at line 232 of file DatabaseContainer.cc.

References ora::RelationalBuffer::flush(), m_buffer, m_depDeleter, m_mainDeleter, and m_operationBuffer.

                    {
        size_t nobj = 0;
        for( std::vector<int>::const_iterator iD = m_buffer.begin();
             iD != m_buffer.end(); ++iD ){
          m_depDeleter->erase( *iD );
          m_mainDeleter->erase( *iD );
          if( m_operationBuffer.flush() ) nobj++;
        }
        m_buffer.clear();
        return nobj;
      }

void ora::DeleteBuffer::registerForDelete ( int  oid )

inline

Definition at line 228 of file DatabaseContainer.cc.

References m_buffer.

                                       {
        m_buffer.push_back( oid );
      }

Member Data Documentation

std::vector<int> ora::DeleteBuffer::m_buffer

private

Definition at line 245 of file DatabaseContainer.cc.

Referenced by flush(), and registerForDelete().

std::auto_ptr<RelationalDeleter> ora::DeleteBuffer::m_depDeleter

private

Definition at line 248 of file DatabaseContainer.cc.

Referenced by DeleteBuffer(), and flush().

std::auto_ptr<RelationalDeleter> ora::DeleteBuffer::m_mainDeleter

private

Definition at line 247 of file DatabaseContainer.cc.

Referenced by DeleteBuffer(), and flush().

RelationalBuffer ora::DeleteBuffer::m_operationBuffer

private

Definition at line 246 of file DatabaseContainer.cc.

Referenced by DeleteBuffer(), and flush().