DataChannel_SQL_float< DataType > Class Template Reference

Concrete data channel class for SQL type "float" (8 byte words). More...

#include <DataChannel.hxx>

Inheritance diagram for DataChannel_SQL_float< DataType >:

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Collaboration diagram for DataChannel_SQL_float< DataType >:

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List of all members.

Public Member Functions
void	input (TableData< DataType > &data, int colNo, ByteArray &bytes)
	Channel "float" data from byte array to data table.
void	output (TableData< DataType > &data, int colNo, ByteArray &bytes)
	Channel data from the table into "float" words in the byte array.
void	output (DataType &data, ByteArray &bytes)
	Channel data from the table into "float" words in the byte array.
int	getWordSize ()
	Return "float" word size.
virtual	~DataChannel_SQL_float ()
Private Attributes
union {
char   bytes [wordSize]
double   x
}	word
Static Private Attributes
static const int	wordSize = 8

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Detailed Description

template<typename DataType>
class DataChannel_SQL_float< DataType >

Concrete data channel class for SQL type "float" (8 byte words).

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Constructor & Destructor Documentation

template<typename DataType >

virtual DataChannel_SQL_float< DataType >::~DataChannel_SQL_float

(

)

[inline, virtual]

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Member Function Documentation

template<typename DataType >

int DataChannel_SQL_float< DataType >::getWordSize

(

)

[inline, virtual]

Return "float" word size.

Implements DataChannel< DataType >.

References DataChannel_SQL_float< DataType >::wordSize.

template<typename DataType >

void DataChannel_SQL_float< DataType >::input	(	TableData< DataType > &	data,
		int	colNo,
		ByteArray &	bytes
	)			[inline, virtual]

Channel "float" data from byte array to data table.

Implements DataChannel< DataType >.

References TableData< DataType >::assign(), ByteArray::getNextWord(), ByteArray::getNumRecords(), DataChannel_SQL_float< DataType >::word, and DataChannel_SQL_float< DataType >::wordSize.

template<typename DataType >

void DataChannel_SQL_float< DataType >::output	(	DataType &	data,
		ByteArray &	bytes
	)			[inline, virtual]

Channel data from the table into "float" words in the byte array.

Implements DataChannel< DataType >.

References ByteArray::putNextWord(), DataChannel_SQL_float< DataType >::word, and DataChannel_SQL_float< DataType >::wordSize.

template<typename DataType >

void DataChannel_SQL_float< DataType >::output	(	TableData< DataType > &	data,
		int	colNo,
		ByteArray &	bytes
	)			[inline, virtual]

Channel data from the table into "float" words in the byte array.

Implements DataChannel< DataType >.

References ByteArray::getNumRecords(), ByteArray::putNextWord(), TableData< DataType >::value(), DataChannel_SQL_float< DataType >::word, and DataChannel_SQL_float< DataType >::wordSize.

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Member Data Documentation

template<typename DataType >

char DataChannel_SQL_float< DataType >::bytes[wordSize]

union { ... } DataChannel_SQL_float< DataType >::word [private]

Referenced by DataChannel_SQL_float< DataType >::input(), and DataChannel_SQL_float< DataType >::output().

template<typename DataType >

const int DataChannel_SQL_float< DataType >::wordSize = 8 [static, private]

Referenced by DataChannel_SQL_float< DataType >::getWordSize(), DataChannel_SQL_float< DataType >::input(), and DataChannel_SQL_float< DataType >::output().

template<typename DataType >

double DataChannel_SQL_float< DataType >::x

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

• DataChannel.hxx