HelloWorld Class Reference

#include </builds/gaudi/Gaudi/GaudiTestSuite/src/AlgSequencer/HelloWorld.h>

Inheritance diagram for HelloWorld:

Collaboration diagram for HelloWorld:

Public Member Functions
	HelloWorld (const std::string &name, ISvcLocator *pSvcLocator)
	Constructor of this form must be provided. More...
StatusCode	initialize () override
	Three mandatory member functions of any algorithm. More...
StatusCode	execute () override
StatusCode	finalize () override
Public Member Functions inherited from Gaudi::details::LegacyAlgorithmAdapter
	LegacyAlgorithmAdapter (std::string name, ISvcLocator *svcloc, std::string version=PACKAGE_VERSION)
const EventContext &	getContext () const
bool	isExecuted () const
	Has this algorithm been executed since the last reset? More...
void	setExecuted (bool state) const
	Set the executed flag to the specified state. More...
bool	filterPassed () const
	Did this algorithm pass or fail its filter criterion for the last event? More...
void	setFilterPassed (bool state) const
	Set the filter passed flag to the specified state. More...
Public Member Functions inherited from Gaudi::Algorithm
	Algorithm (std::string name, ISvcLocator *svcloc, std::string version=PACKAGE_VERSION)
	Constructor. More...
StatusCode	sysStart () override
	Reinitialization method invoked by the framework. More...
StatusCode	sysInitialize () override
	Initialization method invoked by the framework. More...
StatusCode	sysReinitialize () override
	Reinitialization method invoked by the framework. More...
StatusCode	sysRestart () override
	Restart method invoked by the framework. More...
StatusCode	sysExecute (const EventContext &ctx) override
	The actions to be performed by the algorithm on an event. More...
StatusCode	sysStop () override
	System stop. More...
StatusCode	sysFinalize () override
	System finalization. More...
const std::string &	name () const override
	The identifying name of the algorithm object. More...
const Gaudi::StringKey &	nameKey () const override
const std::string &	type () const override
	The type of the algorithm object. More...
void	setType (std::string type) override
const std::string &	version () const override
unsigned int	index () const override
StatusCode	configure () override
	Dummy implementation of IStateful::configure() method. More...
StatusCode	terminate () override
	Dummy implementation of IStateful::terminate() method. More...
StatusCode	initialize () override
	the default (empty) implementation of IStateful::initialize() method More...
StatusCode	start () override
	the default (empty) implementation of IStateful::start() method More...
StatusCode	stop () override
	the default (empty) implementation of IStateful::stop() method More...
StatusCode	finalize () override
	the default (empty) implementation of IStateful::finalize() method More...
StatusCode	reinitialize () override
	the default (empty) implementation of IStateful::reinitialize() method More...
StatusCode	restart () override
	the default (empty) implementation of IStateful::restart() method More...
Gaudi::StateMachine::State	FSMState () const override
	returns the current state of the algorithm More...
Gaudi::StateMachine::State	targetFSMState () const override
	returns the state the algorithm will be in after the ongoing transition More...
bool	isEnabled () const override
	Is this algorithm enabled or disabled? More...
bool	isSequence () const override
	Are we a Sequence? More...
unsigned int	errorCount () const
	Get the number of failures of the algorithm. More...
template<class T >
StatusCode	service (std::string_view name, T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...
template<class T >
StatusCode	service (std::string_view svcType, std::string_view svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...
SmartIF< IService >	service (std::string_view name, const bool createIf=true, const bool quiet=false) const
	Return a pointer to the service identified by name (or "type/name") More...
template<class T >
SmartIF< T >	service (std::string_view name, bool createIf=true, bool quiet=false) const
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...
SmartIF< IChronoStatSvc > &	chronoSvc () const
	The standard Chrono & Stat service, Return a pointer to the service if present. More...
SmartIF< IDataProviderSvc > &	detSvc () const
	The standard detector data service. More...
SmartIF< IConversionSvc > &	detCnvSvc () const
	The standard detector data persistency conversion service. More...
SmartIF< IDataProviderSvc > &	eventSvc () const
	The standard event data service. More...
SmartIF< IDataProviderSvc > &	evtSvc () const
	shortcut for method eventSvc More...
SmartIF< IConversionSvc > &	eventCnvSvc () const
	The standard event data persistency conversion service. More...
SmartIF< IHistogramSvc > &	histoSvc () const
	The standard histogram service. More...
SmartIF< INTupleSvc > &	ntupleSvc () const
	The standard N tuple service. More...
SmartIF< IRndmGenSvc > &	randSvc () const
	The standard RandomGen service, Return a pointer to the service if present. More...
SmartIF< IToolSvc > &	toolSvc () const
	The standard ToolSvc service, Return a pointer to the service if present. More...
SmartIF< IExceptionSvc > &	exceptionSvc () const
	Get the exception Service. More...
SmartIF< IAlgContextSvc > &	contextSvc () const
	get Algorithm Context Service More...
SmartIF< ITimelineSvc > &	timelineSvc () const
SmartIF< ISvcLocator > &	serviceLocator () const override
	The standard service locator. More...
SmartIF< ISvcLocator > &	svcLoc () const
	shortcut for method serviceLocator More...
SmartIF< IHiveWhiteBoard > &	whiteboard () const
SmartIF< IAlgExecStateSvc > &	algExecStateSvc () const
bool	registerContext () const
	register for Algorithm Context Service? More...
template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")
template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")
SmartIF< IMonitorSvc > &	monitorSvc () const
	Access the monitor service. More...
template<class T >
void	declareInfo (const std::string &name, const T &var, const std::string &desc) const
	Declare monitoring information. More...
void	declareInfo (const std::string &name, const std::string &format, const void *var, int size, const std::string &desc) const
	Declare monitoring information (special case) More...
void	acceptDHVisitor (IDataHandleVisitor *) const override
void	registerTool (IAlgTool *tool) const
void	deregisterTool (IAlgTool *tool) const
template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, bool createIf=true)
template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
template<class T >
void	addToolsArray (ToolHandleArray< T > &hndlArr)
const std::vector< IAlgTool * > &	tools () const
bool	isBlocking () const
void	setBlocking (bool value)
unsigned int	cardinality () const override
	Return the cardinality. More...
const std::vector< std::string > &	neededResources () const override
AlgExecState &	execState (const EventContext &ctx) const override
	reference to AlgExecState of Alg More...
std::ostream &	toControlFlowExpression (std::ostream &os) const override
	Produce string represention of the control flow expression. More...
Public Member Functions inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
std::vector< Gaudi::DataHandle * >	inputHandles () const override
std::vector< Gaudi::DataHandle * >	outputHandles () const override
virtual const DataObjIDColl &	extraInputDeps () const override
virtual const DataObjIDColl &	extraOutputDeps () const override
void	declare (Gaudi::DataHandle &handle) override
void	renounce (Gaudi::DataHandle &handle) override
bool	renounceInput (const DataObjID &id) override
const DataObjIDColl &	inputDataObjs () const override
const DataObjIDColl &	outputDataObjs () const override
void	addDependency (const DataObjID &id, const Gaudi::DataHandle::Mode &mode) override
Public Member Functions inherited from extends< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >, IDataHandleHolder >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
	PropertyHolder ()=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation. More...
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property. More...
StatusCode	setProperty (const std::string &name, const Gaudi::Details::PropertyBase &p) override
	set the property from another property with a different name More...
StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string More...
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property. More...
virtual StatusCode	setProperty (const std::string &name, const Gaudi::Details::PropertyBase &p)=0
	Set the property from a property with a different name. More...
virtual StatusCode	setProperty (const std::string &s)=0
	Set the property by string. More...
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals. More...
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string. More...
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...
StatusCode	setPropertyRepr (const std::string &n, const std::string &r) override
	set the property from name and value string representation More...
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property More...
const Gaudi::Details::PropertyBase &	getProperty (std::string_view name) const override
	get the property by name More...
StatusCode	getProperty (std::string_view n, std::string &v) const override
	convert the property to the string More...
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties More...
bool	hasProperty (std::string_view name) const override
	Return true if we have a property with the given name. More...
Gaudi::Details::PropertyBase *	property (std::string_view name) const
	\fixme property and bindPropertiesTo should be protected More...
void	bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
	PropertyHolder (const PropertyHolder &)=delete
PropertyHolder &	operator= (const PropertyHolder &)=delete
Public Member Functions inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream) More...
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Private Attributes
bool	m_initialized
Gaudi::Property< int >	m_int
	These data members are used in the execution of this algorithm They are set in the initialisation phase by the job options service. More...
Gaudi::Property< double >	m_double
Gaudi::Property< std::string >	m_string
int	t_int { 0 }
double	t_double { 0 }
std::string	t_string

Additional Inherited Members
Public Types inherited from Gaudi::Algorithm
typedef Gaudi::PluginService::Factory< IAlgorithm *(const std::string &, ISvcLocator *)>	Factory
Public Types inherited from extends< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >, IDataHandleHolder >
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...
Public Types inherited from PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
using	PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...
Public Types inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
using	base_class = CommonMessaging
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...
Public Attributes inherited from Gaudi::Algorithm
friend	AlgorithmManager
Protected Member Functions inherited from Gaudi::details::LegacyAlgorithmAdapter
bool	isReEntrant () const override
Protected Member Functions inherited from Gaudi::Algorithm
std::vector< IAlgTool * > &	tools ()
bool	isInitialized () const override
	Has the Algorithm already been initialized? More...
bool	isFinalized () const override
	Has the Algorithm already been finalized? More...
void	setIndex (const unsigned int &idx) override
	set instantiation index of Alg More...
bool	isReEntrant () const override
Protected Member Functions inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
void	initDataHandleHolder ()
	initializes all handles - called by the sysInitialize method of any descendant of this More...
Protected Member Functions inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
MSG::Level	setUpMessaging () const
	Set up local caches. More...
MSG::Level	resetMessaging ()
	Reinitialize internal states. More...
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...
Protected Attributes inherited from Gaudi::Algorithm
std::unique_ptr< IDataHandleVisitor >	m_updateDataHandles
	Hook for for derived classes to provide a custom visitor for data handles. More...
Protected Attributes inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
DataObjIDColl	m_inputDataObjs
DataObjIDColl	m_outputDataObjs

Detailed Description

Trivial Algorithm for tutotial purposes

Author

nobody

Definition at line 24 of file HelloWorld.h.

Constructor & Destructor Documentation

HelloWorld()

HelloWorld::HelloWorld	(	const std::string &	name,
		ISvcLocator *	pSvcLocator
	)

Constructor of this form must be provided.

Definition at line 22 of file HelloWorld.cpp.

                                                                 : Algorithm( name, ploc ) {
  //------------------------------------------------------------------------------
  m_initialized = false;
}

Member Function Documentation

execute()

StatusCode HelloWorld::execute ( )

overridevirtual

Implements Algorithm.

Definition at line 48 of file HelloWorld.cpp.

                               {
  //------------------------------------------------------------------------------
  info() << "executing...." << endmsg;
 
  return StatusCode::SUCCESS;
}

finalize()

StatusCode HelloWorld::finalize ( )

override

Definition at line 56 of file HelloWorld.cpp.

                                {
  //------------------------------------------------------------------------------
  info() << "finalizing...." << endmsg;
 
  m_initialized = false;
  return StatusCode::SUCCESS;
}

initialize()

StatusCode HelloWorld::initialize ( )

override

Three mandatory member functions of any algorithm.

Definition at line 28 of file HelloWorld.cpp.

                                  {
  //------------------------------------------------------------------------------
  // avoid calling initialize more than once
  if ( m_initialized ) return StatusCode::SUCCESS;
 
  info() << "initializing...." << endmsg;
 
  Gaudi::Property<int>         m_int;
  Gaudi::Property<double>      m_double;
  Gaudi::Property<std::string> m_string;
 
  declareInfo( "int_value", t_int, "description" );
  declareInfo( "double_value", t_double, "description" );
  declareInfo( "string_value", t_string, "description" );
 
  m_initialized = true;
  return StatusCode::SUCCESS;
}

Member Data Documentation

m_double

Gaudi::Property<double> HelloWorld::m_double

private

Definition at line 39 of file HelloWorld.h.

m_initialized

bool HelloWorld::m_initialized

private

Definition at line 35 of file HelloWorld.h.

m_int

Gaudi::Property<int> HelloWorld::m_int

private

These data members are used in the execution of this algorithm They are set in the initialisation phase by the job options service.

Definition at line 38 of file HelloWorld.h.

m_string

Gaudi::Property<std::string> HelloWorld::m_string

private

Definition at line 40 of file HelloWorld.h.

t_double

double HelloWorld::t_double { 0 }

private

Definition at line 42 of file HelloWorld.h.

t_int

int HelloWorld::t_int { 0 }

private

Definition at line 41 of file HelloWorld.h.

t_string

std::string HelloWorld::t_string

private

Definition at line 43 of file HelloWorld.h.

---

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

• GaudiTestSuite/src/AlgSequencer/HelloWorld.h
• GaudiTestSuite/src/AlgSequencer/HelloWorld.cpp