ChunkAttribute Class Reference

#include <ChunkProducer.h>

Inheritance diagram for ChunkAttribute:

Public Member Functions
void	OnAttributeChanged (DDD_AttributeBase *attribute)
	ChunkAttribute (ChunkDescription *chunk)
	~ChunkAttribute ()

Public Attributes
std::string	_name
unsigned int	_offset
unsigned int	_size
bool	_bigEndian
bool	_isBitfield
unsigned int	_bitOffset
unsigned int	_bitLength
unsigned int	_bitMask
bool	_attributeChanged
ChunkDescription *	_chunk
DDD_AttributeBase::DataType	_type
DDD_AttributeBase *	_directorAttribute
DDD_AttributeBase *	_initialValue

Detailed Description

A ChunkAttribute maps a specific part of a chunk to a DataDirector attribute

Constructor & Destructor Documentation

ChunkAttribute ( ChunkDescription *  chunk )

inline

Constructor

~ChunkAttribute ( )

inline

Destructor

Member Function Documentation

void OnAttributeChanged ( DDD_AttributeBase *  attribute )

virtual

A callback method that will be called when the attribute being observed changes if this observer has registered to be notified on attribute change

Parameters

attribute

A pointer to the attribute that changed

Implements DDD_AttributeObserver.

Member Data Documentation

bool _attributeChanged

Dirty flag used by ChunkProducers to determine if an attribute update needs to be sent

bool _bigEndian

True if field is "big endian"

unsigned int _bitLength

Length of the bitfield in bits. (optional)

unsigned int _bitMask

Bitmask computed from offset and length (optional)

unsigned int _bitOffset

Offset of the bitfield in bits relative to the start of this attribute (optional)

ChunkDescription* _chunk

Pointer to the ChunkDescription that "owns" this ChunkAttribute

DDD_AttributeBase* _directorAttribute

Pointer to the DataDirector attribute linked to this attribute

DDD_AttributeBase* _initialValue

Initial value of field (optional)

bool _isBitfield

True if attribute is a bitfield

std::string _name

Name of the attribute

unsigned int _offset

Offset from beginning of packet

unsigned int _size

Size of field in bytes

DDD_AttributeBase::DataType _type

Representation of the data in the chunk

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The documentation for this class was generated from the following file:

• ChunkProducer.h