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DbColumn Class Reference

Db objects: DbColumn. More...

#include <DbColumn.h>

List of all members.

Public Types
typedef std::vector<DbColumn*>	Container
typedef Container::iterator	iterator
	Iterator type. More...
typedef Container::const_iterator	const_iterator
	Const iterator type. More...
enum	Options {   PRIMARY_KEY = 1 << 0, NOT_NULL = 1 << 1, UNIQUE = 1 << 2, CLUSTERED = 1 << 3,   NONCLUSTERED = 1 << 4 }
Public Methods
	DbColumn (const std::string& nam, long offset, const long typ, unsigned long opt=0)
	Standard constructor. More...
	DbColumn (const std::string& nam, long offset, const std::type_info& typ, unsigned long opt=0)
	Standard constructor. More...
virtual	~DbColumn ()
	Standard destructor. More...
bool	isValid () const
	Is it a valid (known) data type ? More...
const std::string&	name () const
	Access to column name. More...
const std::string&	typeName () const
	Access to OS independent type name. More...
const std::type_info&	type () const
	Access to RTTI type info. More...
unsigned long	options () const
	Access to options. More...
long	typeID () const
	Access to variable type. More...
long	offset () const
	Offset of column from this pointer. More...
void	setOffset (unsigned long off)
	Update Offset of column. More...
void	setAddress (char* address) const
	Offset typer (absolute or relative). More...
const char*	address () const
	Object base address (CONST). More...
char*	address ()
	Object base address. More...
char*	data () const
	Access data. More...
char*	data (char* ptr) const
	Access data. More...
Protected Methods
DbColumn*	i_check (bool flag = true)
	Check if the column is valid; otherwise delete the column if the flag is set. More...
Protected Attributes
std::string	m_name
	Column name. More...
std::string	m_typeName
	OS independent type name. More...
const std::type_info&	m_type
	RTTI type info. More...
unsigned long	m_opt
	Column options. More...
long	m_offset
	Offset from object pointer. More...
long	m_typeID
	Variable Type. More...
char*	m_address
	Address value for data. This is a volatile value! More...

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Detailed Description

Db objects: DbColumn.

Description: Definition of the generic column in a (relational) database.

Dependencies:

• Db configuration: DbCnv/DbSvc/DbOOMs.h

History :

    +---------+----------------------------------------------+--------+
    |    Date |                 Comment                      | Who    |
    +---------+----------------------------------------------+--------+
    | 21/04/00| Initial version.                             | MF     |
    +---------+----------------------------------------------+--------+
    

Author: M.Frank Version: 1.0

Definition at line 40 of file DbColumn.h.

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Member Typedef Documentation

typedef std::vector<DbColumn*> DbColumn::Container

Definition at line 49 of file DbColumn.h.

typedef Container::const_iterator DbColumn::const_iterator

Const iterator type. Definition at line 53 of file DbColumn.h.

typedef Container::iterator DbColumn::iterator

Iterator type. Definition at line 51 of file DbColumn.h.

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Member Enumeration Documentation

enum DbColumn::Options

Enumeration values: PRIMARY_KEY   NOT_NULL   UNIQUE   CLUSTERED   NONCLUSTERED   Definition at line 42 of file DbColumn.h.

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Constructor & Destructor Documentation

DbColumn::DbColumn ( const std::string & nam, long offset, const long typ, unsigned long opt = 0 )

Standard constructor. Definition at line 33 of file DbColumn.cpp.

DbColumn::DbColumn ( const std::string & nam, long offset, const std::type_info & typ, unsigned long opt = 0 )

Standard constructor. Definition at line 26 of file DbColumn.cpp.

DbColumn::~DbColumn ( ) [virtual]

Standard destructor. Definition at line 40 of file DbColumn.cpp.

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Member Function Documentation

char * DbColumn::address ( ) [inline]

Object base address. Definition at line 121 of file DbColumn.h.

const char * DbColumn::address ( ) const [inline]

Object base address (CONST). Definition at line 117 of file DbColumn.h. Referenced by DbTypeInfo::makeDescription().

char * DbColumn::data ( char * ptr ) const [inline]

Access data. Definition at line 129 of file DbColumn.h.

char * DbColumn::data ( ) const [inline]

Access data. Definition at line 125 of file DbColumn.h.

DbColumn * DbColumn::i_check ( bool flag = true ) [protected]

Check if the column is valid; otherwise delete the column if the flag is set. Definition at line 44 of file DbColumn.cpp.

bool DbColumn::isValid ( ) const [inline]

Is it a valid (known) data type ? Definition at line 81 of file DbColumn.h. Referenced by i_check().

const std::string & DbColumn::name ( ) const [inline]

Access to column name. Definition at line 85 of file DbColumn.h. Referenced by DbNTupleCnv::createRep(), and DbTypeInfo::makeDescription().

long DbColumn::offset ( ) const [inline]

Offset of column from this pointer. Definition at line 105 of file DbColumn.h. Referenced by DbTypeInfo::makeDescription().

unsigned long DbColumn::options ( ) const [inline]

Access to options. Definition at line 97 of file DbColumn.h. Referenced by DbTypeInfo::makeDescription().

void DbColumn::setAddress ( char * address ) const [inline]

Offset typer (absolute or relative). Definition at line 113 of file DbColumn.h. Referenced by DbNTupleCnv::createRep().

void DbColumn::setOffset ( unsigned long off ) [inline]

Update Offset of column. Definition at line 109 of file DbColumn.h.

const std::type_info & DbColumn::type ( ) const [inline]

Access to RTTI type info. Definition at line 93 of file DbColumn.h.

long DbColumn::typeID ( ) const [inline]

Access to variable type. Definition at line 101 of file DbColumn.h. Referenced by DbTypeInfo::makeDescription().

const std::string & DbColumn::typeName ( ) const [inline]

Access to OS independent type name. Definition at line 89 of file DbColumn.h. Referenced by isValid().

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Member Data Documentation

char * DbColumn::m_address [mutable, protected]

Address value for data. This is a volatile value! Definition at line 68 of file DbColumn.h.

std::string DbColumn::m_name [protected]

Column name. Definition at line 56 of file DbColumn.h.

long DbColumn::m_offset [protected]

Offset from object pointer. Definition at line 64 of file DbColumn.h.

unsigned long DbColumn::m_opt [protected]

Column options. Definition at line 62 of file DbColumn.h.

const std::type_info & DbColumn::m_type [protected]

RTTI type info. Definition at line 60 of file DbColumn.h.

long DbColumn::m_typeID [protected]

Variable Type. Definition at line 66 of file DbColumn.h.

std::string DbColumn::m_typeName [protected]

OS independent type name. Definition at line 58 of file DbColumn.h.

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

• DbColumn.h
• DbColumn.cpp

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