Gaudi::IIODataManager Class Reference

#include </builds/gaudi/Gaudi/GaudiUtils/include/GaudiUtils/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 class	Status : StatusCode::code_t {   FAILURE = 0 , SUCCESS = 1 , NO_INTERFACE , VERSMISMATCH ,   LAST_ERROR }
	Return status. More...
using	iid = Gaudi::InterfaceId<IInterface, 0, 0>
	Interface ID.
using	ext_iids = Gaudi::interface_list<iid>
	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
template<Gaudi::IsInterface TARGET>
TARGET *	cast ()
template<Gaudi::IsInterface TARGET>
TARGET const *	cast () const
template<typename TARGET>
TARGET *	cast ()
template<typename TARGET>
TARGET const *	cast () const
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 () const =0
	Increment the reference count of Interface instance.
virtual unsigned long	release () const =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 ()=default
	Virtual destructor.
virtual void const *	i_cast (const InterfaceID &) const =0
void *	i_cast (const InterfaceID &iid)

Additional Inherited Members
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface.
Protected Member Functions inherited from IInterface
virtual unsigned long	decRef () const =0
	Decrement reference count and return the new reference count.

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 97 of file IIODataManager.h.

Member Typedef Documentation

Connection

typedef IDataConnection Gaudi::IIODataManager::Connection

Connection type definition.

Definition at line 103 of file IIODataManager.h.

Connections

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

Definition at line 104 of file IIODataManager.h.

IoType

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

Definition at line 105 of file IIODataManager.h.

Member Enumeration Documentation

FileType

enum Gaudi::IIODataManager::FileType

Enumerator
UNKNOWN
PFN
LFN
FID

Definition at line 106 of file IIODataManager.h.

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

Member Function Documentation

connection()

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

pure virtual

Retrieve known connection.

connections()

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

pure virtual

Get connection by owner instance (0=ALL).

connectRead()

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

pure virtual

Open data stream in read mode.

connectWrite()

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

pure virtual

Open data stream in write mode.

DeclareInterfaceID()

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

InterfaceID.

disconnect()

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

pure virtual

Release data stream.

read()

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

pure virtual

Read raw byte buffer from input stream.

seek()

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().

write()

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:

• GaudiUtils/include/GaudiUtils/IIODataManager.h