Conn Class Reference

Data connection. More...

Inheritance diagram for Conn:

Public Member Functions
virtual	~Conn ()
virtual void	close ()
virtual bool	isBad () const =0
virtual const char *	creationMessage () const
virtual const char *	connType () const =0
virtual bool	forRead () const =0
virtual bool	forWrite () const
virtual StreamConn *	getStream ()
bool	isStream () const
Conn *	conn ()
const Conn *	conn () const
	Returns the actual connection doing the work. More...
const MultiID &	linkedTo () const
void	setLinkedTo (const MultiID &id)

Static Public Attributes
static const bool	Read
static const bool	Write

Protected Member Functions
	Conn ()
virtual Conn *	gtConn () const

Protected Attributes
MultiID	ioobjid_

Detailed Description

Data connection.

Data can be found in files and data stores. To access these data sources, some kind of connection must be set up. This class defines a simple interface common to these connections.

Constructor & Destructor Documentation

virtual Conn::~Conn ( )

inlinevirtual

Conn::Conn ( )

inlineprotected

Member Function Documentation

virtual void Conn::close ( )

inlinevirtual

Reimplemented in XConn, and StreamConn.

Conn* Conn::conn ( )

inline

const Conn* Conn::conn ( ) const

inline

Returns the actual connection doing the work.

virtual const char* Conn::connType ( ) const

pure virtual

Implemented in XConn, and StreamConn.

virtual const char* Conn::creationMessage ( ) const

inlinevirtual

Reimplemented in XConn, and StreamConn.

virtual bool Conn::forRead ( ) const

pure virtual

Implemented in XConn, and StreamConn.

virtual bool Conn::forWrite ( ) const

inlinevirtual

Reimplemented in XConn, and StreamConn.

virtual StreamConn* Conn::getStream ( )

inlinevirtual

Reimplemented in XConn, and StreamConn.

virtual Conn* Conn::gtConn ( ) const

inlineprotectedvirtual

Reimplemented in XConn.

virtual bool Conn::isBad ( ) const

pure virtual

Implemented in XConn, and StreamConn.

bool Conn::isStream ( ) const

inline

const MultiID& Conn::linkedTo ( ) const

inline

void Conn::setLinkedTo ( const MultiID &  id )

inline

Member Data Documentation

MultiID Conn::ioobjid_

protected

const bool Conn::Read

static

const bool Conn::Write

static