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IInterface Class Reference

Definition of the basic interface. More...

#include <GaudiKernel/IInterface.h>

Inheritance diagram for IInterface:

List of all members.

Public Types
enum	Status { SUCCESS = 1, NO_INTERFACE, VERSMISMATCH, LAST_ERROR }
	Return status. More...
Public Methods
virtual StatusCode	queryInterface (const InterfaceID& riid, void** ppvInterface) = 0
	Query interfaces of Interface. More...
virtual unsigned long	addRef () = 0
	Increment the reference count of Interface instance.
virtual unsigned long	release () = 0
	Release Interface instance.
Static Public Methods
const InterfaceID&	interfaceID ()
	Retrieve interface ID. More...

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Detailed Description

Definition of the basic interface.

Author(s):

Pere Mato , Markus Frank

Definition at line 65 of file IInterface.h.

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Member Enumeration Documentation

enum IInterface::Status

Return status. Enumeration values: SUCCESS   Normal successful completion. NO_INTERFACE   Requested interface is not available. VERSMISMATCH   Requested interface version is incompatible. LAST_ERROR   Last error. Reimplemented in IConversionSvc, IConverter, IDataManagerSvc, and IDataProviderSvc. Definition at line 83 of file IInterface.h.

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Member Function Documentation

unsigned long IInterface::addRef ( ) [pure virtual]

Increment the reference count of Interface instance. Reimplemented in AlgFactory, Algorithm, AlgTool, AudFactory, Auditor, CnvFactoryBase, Converter, IFactory, ObjectFactoryBase, PropertyMgr, SelectStatement, Service, SvcFactory, and ToolFactory. Referenced by Converter::Converter(), Rndm::Numbers::Numbers(), ConversionSvc::addConverter(), NTuple::TupleImp::attachSelector(), Rndm::Numbers::initialize(), SmartIF< IInterface >::operator=(), SmartIF::operator=(), SelectStatement::queryInterface(), ObjectFactory2::queryInterface(), ObjectFactory::queryInterface(), DataObjectFactory::queryInterface(), ContainedObjectFactory::queryInterface(), and DataSvc::setDataLoader().

const InterfaceID & IInterface::interfaceID ( ) [inline, static]

Retrieve interface ID. Reimplemented in IAddressCreator, IAlgFactory, IAlgManager, IAlgorithm, IAlgTool, IAppMgrUI, IAuditor, IAuditorFactory, IAuditorSvc, IChronoStatSvc, IClassManager, ICnvFactory, ICnvManager, IConversionSvc, IConverter, IDataManagerSvc, IDataProviderSvc, IDataSourceMgr, IEventProcessor, IEvtSelector, IFactory, IGiGaSetUpSvc, IGiGaSvc, IHistogramSvc, IIncidentListener, IIncidentSvc, IJobOptionsSvc, IMagneticFieldSvc, IMessageSvc, INTupleSvc, IDataObjectFactory, IContainedObjectFactory, IObjManager, IParticlePropertySvc, IPersistencySvc, IProperty, IRndmEngine, IRndmGen, IRndmGenFactory, IRndmGenSvc, IRunable, IScriptingSvc, ISelectStatement, ISerialize, IService, ISvcFactory, ISvcLocator, ISvcManager, IToolFactory, and IToolSvc. Definition at line 68 of file IInterface.h.

StatusCode IInterface::queryInterface ( const InterfaceID & riid, void ** ppvInterface ) [pure virtual]

Query interfaces of Interface. Parameters: riid   ID of Interface to be retrieved ppvUnknown   Pointer to Location for interface pointer Referenced by Gaudi::createApplicationMgrEx(), Gaudi::createInstance(), SmartIF::operator=(), ObjectFactory2::queryInterface(), ObjectFactory::queryInterface(), DataObjectFactory::queryInterface(), ContainedObjectFactory::queryInterface(), Service::service(), Auditor::service(), Algorithm::service(), and Gaudi::svcLocator().

unsigned long IInterface::release ( ) [pure virtual]

Release Interface instance. Reimplemented in AlgFactory, Algorithm, AlgTool, AudFactory, Auditor, CnvFactoryBase, Converter, IFactory, ObjectFactoryBase, PropertyMgr, SelectStatement, Service, SvcFactory, and ToolFactory. Referenced by ConversionSvc::addConverter(), Service::finalize(), Rndm::Numbers::finalize(), SmartIFBase::releaseInterface(), DataSvc::setDataLoader(), and Converter::~Converter().

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

• IInterface.h

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