Gaudi::IIODataManager Class Reference

#include <IIODataManager.h>

Inheritance diagram for Gaudi::IIODataManager:

Collaboration diagram for Gaudi::IIODataManager:

Public Types
enum	FileType { UNKNOWN =1, PFN, LFN, FID }
typedef IDataConnection	Connection
	Connection type definition.
typedef std::vector< Connection * >	Connections
typedef Connection::IoType	IoType
Public Types inherited from IInterface
enum	Status { SUCCESS = 1, NO_INTERFACE, VERSMISMATCH, LAST_ERROR }
	Return status. More...
typedef Gaudi::InterfaceId < IInterface, 0, 0 >	iid
	Interface ID.
typedef mpl::set1< iid >	ext_iids
	Extra interfaces.

Public Member Functions
	DeclareInterfaceID (IIODataManager, 2, 0)
	InterfaceID.
virtual StatusCode	connectRead (bool keep_open, IDataConnection *con)=0
	Open data stream in read mode.
virtual StatusCode	connectWrite (IDataConnection *con, IoType mode=Connection::CREATE, const std::string &doctype="UNKNOWN")=0
	Open data stream in write mode.
virtual StatusCode	disconnect (IDataConnection *con)=0
	Release data stream.
virtual Connection *	connection (const std::string &dsn) const =0
	Retrieve known connection.
virtual Connections	connections (const IInterface *owner) const =0
	Get connection by owner instance (0=ALL)
virtual StatusCode	read (IDataConnection *con, void *const data, size_t len)=0
	Read raw byte buffer from input stream.
virtual StatusCode	write (IDataConnection *con, const void *data, int len)=0
	Write raw byte buffer to output stream.
virtual long long int	seek (IDataConnection *con, long long int where, int origin)=0
	Seek on the file described by ioDesc. Arguments as in ::seek()
Public Member Functions inherited from IInterface
virtual void *	i_cast (const InterfaceID &) const =0
	main cast function
virtual std::vector< std::string >	getInterfaceNames () const =0
	Returns a vector of strings containing the names of all the implemented interfaces.
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance.
virtual unsigned long	release ()=0
	Release Interface instance.
virtual unsigned long	refCount () const =0
	Current reference count.
virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)=0
	Set the void** to the pointer to the requested interface of the instance.
virtual	~IInterface ()
	Virtual destructor.

Additional Inherited Members
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface.

Detailed Description

Author

M.Frank

Version

1.0

Date

20/10/2007

Author

M.Frank

Version

1.0

Date

20/10/2007

Author

R. Lambert

Date

03/09/2009

Definition at line 88 of file IIODataManager.h.

Member Typedef Documentation

typedef IDataConnection Gaudi::IIODataManager::Connection

Connection type definition.

Definition at line 94 of file IIODataManager.h.

typedef std::vector<Connection*> Gaudi::IIODataManager::Connections

Definition at line 95 of file IIODataManager.h.

typedef Connection::IoType Gaudi::IIODataManager::IoType

Definition at line 96 of file IIODataManager.h.

Member Enumeration Documentation

enum Gaudi::IIODataManager::FileType

Enumerator:

UNKNOWN
PFN
LFN
FID

Definition at line 97 of file IIODataManager.h.

{ UNKNOWN=1, PFN, LFN, FID };

Member Function Documentation

virtual Connection* Gaudi::IIODataManager::connection ( const std::string &  dsn ) const

pure virtual

Retrieve known connection.

virtual Connections Gaudi::IIODataManager::connections ( const IInterface *  owner ) const

pure virtual

Get connection by owner instance (0=ALL)

virtual StatusCode Gaudi::IIODataManager::connectRead ( bool  keep_open, IDataConnection *  con  )

pure virtual

Open data stream in read mode.

virtual StatusCode Gaudi::IIODataManager::connectWrite ( IDataConnection *  con, IoType  mode = Connection::CREATE, const std::string &  doctype = "UNKNOWN"  )

pure virtual

Open data stream in write mode.

Gaudi::IIODataManager::DeclareInterfaceID	(	IIODataManager	,
		2	,
		0
	)

InterfaceID.

virtual StatusCode Gaudi::IIODataManager::disconnect ( IDataConnection *  con )

pure virtual

Release data stream.

virtual StatusCode Gaudi::IIODataManager::read ( IDataConnection *  con, void *const  data, size_t  len  )

pure virtual

Read raw byte buffer from input stream.

virtual long long int Gaudi::IIODataManager::seek ( IDataConnection *  con, long long int  where, int  origin  )

pure virtual

Seek on the file described by ioDesc. Arguments as in ::seek()

virtual StatusCode Gaudi::IIODataManager::write ( IDataConnection *  con, const void *  data, int  len  )

pure virtual

Write raw byte buffer to output stream.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r7/GaudiUtils/GaudiUtils/IIODataManager.h