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
ContainerSchema &	m_contSchema

Detailed Description

Definition at line 194 of file DatabaseContainer.cc.

Constructor & Destructor Documentation

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

inlineexplicit

Definition at line 196 of file DatabaseContainer.cc.

                                                          :
        m_buffer(),
        m_contSchema( contSchema ){
      }

ora::DeleteBuffer::~DeleteBuffer ( )

inline

Definition at line 201 of file DatabaseContainer.cc.

                     {
      }

Member Function Documentation

size_t ora::DeleteBuffer::flush ( )

inline

Definition at line 209 of file DatabaseContainer.cc.

References ora::RelationalDeleter::build(), ora::RelationalDeleter::erase(), m_buffer, m_contSchema, ora::ContainerSchema::mapping(), ora::ContainerSchema::mappingForDependentClasses(), ora::ContainerSchema::storageSchema(), and ora::MappingTree::topElement().

                    {
        size_t nobj = 0;
    if( m_buffer.size()) {
      RelationalBuffer operationBuffer( m_contSchema.storageSchema() );
      RelationalDeleter mainDeleter( m_contSchema.mapping().topElement() );
      mainDeleter.build( operationBuffer );
      std::vector<MappingElement> dependentMappings;
      m_contSchema.mappingForDependentClasses( dependentMappings );
      RelationalDeleter depDeleter(  dependentMappings );
      depDeleter.build( operationBuffer );
      dependentMappings.clear();                             
      
      for( std::vector<int>::const_iterator iD = m_buffer.begin();
           iD != m_buffer.end(); ++iD ){
        depDeleter.erase( *iD );
        mainDeleter.erase( *iD );
        if( operationBuffer.flush() ) nobj++;
      }
      m_buffer.clear();
    }
        return nobj;
      }

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

inline

Definition at line 205 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 233 of file DatabaseContainer.cc.

Referenced by flush(), and registerForDelete().

ContainerSchema& ora::DeleteBuffer::m_contSchema

private

Definition at line 234 of file DatabaseContainer.cc.

Referenced by flush().