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TPositionQualityItem Class Reference

class TPositionQualityItem

The class for classes used to store position quality

Public Member Functions
	TPositionQualityItem ()
TInt	Compare (const TPositionQualityItem &, TResult &)
TInt	Get ( TDataType , TAny *, TUint )
TBool	IsDefined ()
void	Set ( TDataType , TValuePreference , const TAny *, TUint )

Public Member Enumerations
enum	TDataType { EUndefined , ETInt8 , ETInt16 , ETInt32 , ETInt64 , ETUint8 , ETUint16 , ETUint32 , ETReal32 , ETReal64 , ETTime , ETTimeIntervalMicroSeconds }
enum	TResult { EIsBetter , EIsEqual , EIsWorse }
enum	TValuePreference { EPreferSmallerValues , EPreferGreaterValues }

Private Attributes
TUint8	iData
TDataType	iDataType
TValuePreference	iScaleDirection

Constructor & Destructor Documentation

TPositionQualityItem()

TPositionQualityItem

(

)

Constructor for TPositionQualityItem

Member Functions Documentation

Compare(const TPositionQualityItem &, TResult &)

TInt	Compare	(	const TPositionQualityItem &	aItem,
			TResult &	aComparison
		)	const

Compare method

compare method Compare method

Parameters

const TPositionQualityItem & aItem	The item that we want to compare against ourself.
TResult & aComparison	Set by this function to whether or not the TPositionQualityItem provided is better or worse than this TPositionQualityItem.

Get(TDataType, TAny *, TUint)

TInt	Get	(	TDataType	aDataType,
			TAny *	aData,
			TUint	aSizeOfData
		)	const

Gets position quality

Parameters

TDataType aDataType	The datatype of the data to be fetched.
TAny * aData	A pointer to the data to be written into.
TUint aSizeOfData	The size of the data object to be copied.

IsDefined()

TBool

IsDefined

(

)

const

Whether or not this element has a defined state

Set(TDataType, TValuePreference, const TAny *, TUint)

void	Set	(	TDataType	aDataType,
			TValuePreference	aValuePreference,
			const TAny *	aData,
			TUint	aSizeOfData
		)

Sets Position Quality

Sets position quality

Parameters

TDataType aDataType	The datatype of the data to be set in the array.
TValuePreference aValuePreference	Whether greater or lower values indicate 'better'.
const TAny * aData	A pointer to the data to be read from.
TUint aSizeOfData	The size of the data object to be copied.

Member Enumerations Documentation

Enum TDataType

Size of data type

Enumerators

EUndefined	Undefined
ETInt8	TInt8
ETInt16	TInt16
ETInt32	TInt32
ETInt64	Tint64
ETUint8	TUint8
ETUint16	TUint16
ETUint32	TUint 32
ETReal32	TReal32
ETReal64	TReal64
ETTime	ETime
ETTimeIntervalMicroSeconds	Time in microseconds

Enum TResult

Quality result

Enumerators

EIsBetter	Better
EIsEqual	Equal
EIsWorse	Worse

Enum TValuePreference

Preference

Enumerators

EPreferSmallerValues	Smaller values
EPreferGreaterValues	Greater values

Member Data Documentation

TUint8 iData

TUint8

iData

[private]

Unused variable for future expansion.

TDataType iDataType

TDataType

iDataType

[private]

Internal datatype

TValuePreference iScaleDirection

TValuePreference

iScaleDirection

[private]

Internel value preference