Conn Class Reference

Data connection. More...

Inheritance diagram for Conn:

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

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Constructor & Destructor Documentation

~Conn()

virtual Conn::~Conn ( )

virtual

Conn()

Conn::Conn ( )

protected

Member Function Documentation

close()

virtual void Conn::close ( )

inlinevirtual

Reimplemented in StreamConn, and XConn.

conn() [1/2]

Conn* Conn::conn ( )

inline

conn() [2/2]

const Conn* Conn::conn ( ) const

inline

Returns the actual connection doing the work.

connType()

virtual const char* Conn::connType ( ) const

pure virtual

Implemented in StreamConn, and XConn.

creationMessage()

virtual const char* Conn::creationMessage ( ) const

inlinevirtual

Reimplemented in StreamConn, and XConn.

forRead()

virtual bool Conn::forRead ( ) const

pure virtual

Implemented in StreamConn, and XConn.

forWrite()

virtual bool Conn::forWrite ( ) const

inlinevirtual

Reimplemented in StreamConn, and XConn.

getStream()

virtual StreamConn* Conn::getStream ( )

inlinevirtual

Reimplemented in StreamConn, and XConn.

gtConn()

virtual Conn* Conn::gtConn ( ) const

inlineprotectedvirtual

Reimplemented in XConn.

isBad()

virtual bool Conn::isBad ( ) const

pure virtual

Implemented in StreamConn, and XConn.

isStream()

bool Conn::isStream ( ) const

inline

linkedTo()

const MultiID& Conn::linkedTo ( ) const

inline

setLinkedTo()

void Conn::setLinkedTo ( const MultiID &  id )

inline

Member Data Documentation

ioobjid_

MultiID Conn::ioobjid_

protected

Read

const bool Conn::Read

static

Write

const bool Conn::Write

static