Random Generator service definition. More...

#include </builds/gaudi/Gaudi/GaudiSvc/src/RndmGenSvc/RndmGenSvc.h>

Inheritance diagram for RndmGenSvc:

[legend]

Collaboration diagram for RndmGenSvc:

[legend]

Public Member Functions
StatusCode	initialize () override
	Service override: initialization. More...

StatusCode	finalize () override
	Service override: finalization. More...

StreamBuffer &	serialize (StreamBuffer &str) override
	IRndmGenSvc interface implementation More...

StreamBuffer &	serialize (StreamBuffer &str) const override
	Output serialization to stream buffer. Saves the status of the generator engine. More...

IRndmEngine *	engine () override
	Retrieve engine. More...

StatusCode	generator (const IRndmGen::Param &par, IRndmGen *&refpGen) override
	Retrieve a valid generator from the service. More...

double	rndm () const override
	Single shot returning single random number. More...

StatusCode	rndmArray (std::vector< double > &array, long howmany, long start=0) const override
	Multiple shots returning vector with flat random numbers. More...

StatusCode	setSeeds (const std::vector< long > &seeds) override
	Allow to set new seeds. More...

StatusCode	seeds (std::vector< long > &seeds) const override
	Allow to get seeds. More...

Public Member Functions inherited from extends< Service, IRndmGenSvc, IRndmEngine, ISerialize >
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 Service
const std::string &	name () const override
	Retrieve name of the service More...

StatusCode	configure () override

StatusCode	initialize () override

StatusCode	start () override

StatusCode	stop () override

StatusCode	finalize () override

StatusCode	terminate () override

Gaudi::StateMachine::State	FSMState () const override

Gaudi::StateMachine::State	targetFSMState () const override

StatusCode	reinitialize () override

StatusCode	restart () override

StatusCode	sysInitialize () override
	Initialize Service More...

StatusCode	sysStart () override
	Initialize Service More...

StatusCode	sysStop () override
	Initialize Service More...

StatusCode	sysFinalize () override
	Finalize Service More...

StatusCode	sysReinitialize () override
	Re-initialize the Service. More...

StatusCode	sysRestart () override
	Re-initialize the Service. More...

	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor More...

SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator More...

template<class T >
StatusCode	service (const std::string &name, const 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 (const std::string &name, T *&psvc, bool createIf=true) const

template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const

template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...

template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")

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)
	Declare used tool. More...

template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")

template<class T >
void	addToolsArray (ToolHandleArray< T > &hndlArr)

const std::vector< IAlgTool * > &	tools () const

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, 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< IService, 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
SmartIF< IRndmEngine >	m_engine
	Random number engine. More...

SmartIF< ISerialize >	m_serialize
	Serialization interface of random number engine. More...

Gaudi::Property< std::string >	m_engineName { this, "Engine", "HepRndm::Engine<CLHEP::RanluxEngine>", "engine name" }

Additional Inherited Members
Public Types inherited from extends< Service, IRndmGenSvc, IRndmEngine, ISerialize >
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 Service
using	Factory = Gaudi::PluginService::Factory< IService (const std::string &, ISvcLocator )>

Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...

Public Types inherited from CommonMessaging< implements< IService, 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...

Protected Member Functions inherited from Service
std::vector< IAlgTool * > &	tools ()

	~Service () override
	Standard Destructor More...

int	outputLevel () const
	get the `Service's` output level More...

Protected Member Functions inherited from CommonMessaging< implements< IService, 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 Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state More...

Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state More...

Gaudi::Property< int >	m_outputLevel { this, "OutputLevel", MSG::NIL, "output level" }
	flag indicating whether ToolHandle tools have been added to m_tools More...

Gaudi::Property< bool >	m_auditInit { this, "AuditServices", false, "[[deprecated]] unused" }

Gaudi::Property< bool >	m_auditorInitialize { this, "AuditInitialize", false, "trigger auditor on initialize()" }

Gaudi::Property< bool >	m_auditorStart { this, "AuditStart", false, "trigger auditor on start()" }

Gaudi::Property< bool >	m_auditorStop { this, "AuditStop", false, "trigger auditor on stop()" }

Gaudi::Property< bool >	m_auditorFinalize { this, "AuditFinalize", false, "trigger auditor on finalize()" }

Gaudi::Property< bool >	m_auditorReinitialize { this, "AuditReinitialize", false, "trigger auditor on reinitialize()" }

Gaudi::Property< bool >	m_auditorRestart { this, "AuditRestart", false, "trigger auditor on restart()" }

Gaudi::Property< bool >	m_autoRetrieveTools

Gaudi::Property< bool >	m_checkToolDeps

SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service More...

Detailed Description

Random Generator service definition.

Description: Definition of a interface for a service to access random generators according to predefined distributions. For more detailed explanations please see the interface definition.

Dependencies:

Base class: Gaudi/RndmGenSvc/ISerialize.h
Base class: Gaudi/RndmGenSvc/IRandomGenSvc.h

History :

+---------+----------------------------------------------+--------+
|    Date |                 Comment                      | Who    |
+---------+----------------------------------------------+--------+
| 21/04/99| Initial version.                             | MF     |
+---------+----------------------------------------------+--------+

Author: M.Frank Version: 1.0

Definition at line 59 of file RndmGenSvc.h.

Member Function Documentation

◆ engine()

IRndmEngine * RndmGenSvc::engine ( )

override

Retrieve engine.

Definition at line 101 of file RndmGenSvc.cpp.

101 { return m_engine.get(); }

◆ finalize()

StatusCode RndmGenSvc::finalize ( )

override

Service override: finalization.

Definition at line 75 of file RndmGenSvc.cpp.

                                 {
   StatusCode status = Service::finalize();
   m_serialize.reset();
   if ( m_engine ) {
     m_engine.as<IService>()->finalize().ignore();
     m_engine.reset();
   }
   return status;
 }

◆ generator()

StatusCode RndmGenSvc::generator	(	const IRndmGen::Param &	par,
		IRndmGen *&	refpGen
	)

override

Retrieve a valid generator from the service.

Definition at line 104 of file RndmGenSvc.cpp.

                                                                                {
   auto pGen = SmartIF<IRndmGen>( ObjFactory::create( par.type(), m_engine.get() ).release() );
   if ( !pGen ) {
     refpGen = nullptr;
     return StatusCode::FAILURE;
   }
   refpGen = pGen.get();
   refpGen->addRef(); // insure the caller gets something with a refCount of (at least) one back...
   return refpGen->initialize( par );
 }

◆ initialize()

StatusCode RndmGenSvc::initialize ( )

override

Service override: initialization.

Definition at line 44 of file RndmGenSvc.cpp.

                                   {
   StatusCode status = Service::initialize();
  
   auto mgr = serviceLocator()->as<ISvcManager>();
  
   if ( status.isSuccess() ) {
     // FIXME: (MCl) why RndmGenSvc cannot create the engine service in a standard way?
     const bool  CREATE   = false;
     std::string machName = name() + ".Engine";
     auto        engine   = serviceLocator()->service<IRndmEngine>( machName, CREATE );
     if ( !engine && mgr ) {
       using Gaudi::Utils::TypeNameString;
       engine = mgr->createService( TypeNameString( machName, m_engineName ) );
     }
     if ( engine ) {
       auto serial  = engine.as<ISerialize>();
       auto service = engine.as<IService>();
       if ( serial && service ) {
         status = service->sysInitialize();
         if ( status.isSuccess() ) {
           m_engine    = engine;
           m_serialize = serial;
           info() << "Using Random engine:" << m_engineName.value() << endmsg;
         }
       }
     }
   }
   return status;
 }

◆ rndm()

double RndmGenSvc::rndm ( ) const

override

Single shot returning single random number.

Definition at line 116 of file RndmGenSvc.cpp.

116 { return m_engine ? m_engine->rndm() : -1; }

◆ rndmArray()

StatusCode RndmGenSvc::rndmArray	(	std::vector< double > &	array,
		long	howmany,
		long	start = `0`
	)		const

override

Multiple shots returning vector with flat random numbers.

Parameters

array	Array containing random numbers
howmany	fill 'howmany' random numbers into array
start	... starting at position start

Returns: StatusCode indicating failure or success.

Definition at line 124 of file RndmGenSvc.cpp.

                                                                                            {
   return m_engine ? m_engine->rndmArray( array, howmany, start ) : StatusCode::FAILURE;
 }

◆ seeds()

StatusCode RndmGenSvc::seeds ( std::vector< long > & seeds ) const

override

Allow to get seeds.

Definition at line 134 of file RndmGenSvc.cpp.

                                                            {
   return m_engine ? m_engine->seeds( seeds ) : StatusCode::FAILURE;
 }

◆ serialize() [1/2]

StreamBuffer & RndmGenSvc::serialize ( StreamBuffer & str ) const

override

Output serialization to stream buffer. Saves the status of the generator engine.

Definition at line 94 of file RndmGenSvc.cpp.

                                                              {
   if ( m_serialize ) return m_serialize->serialize( str );
   error() << "Cannot output serialize Generator settings!" << endmsg;
   return str;
 }

◆ serialize() [2/2]

StreamBuffer & RndmGenSvc::serialize ( StreamBuffer & str )

override

IRndmGenSvc interface implementation

Input serialization from stream buffer. Restores the status of the generator engine.

Definition at line 87 of file RndmGenSvc.cpp.

                                                        {
   if ( m_serialize ) return m_serialize->serialize( str );
   error() << "Cannot input serialize Generator settings!" << endmsg;
   return str;
 }

◆ setSeeds()

StatusCode RndmGenSvc::setSeeds ( const std::vector< long > & seeds )

override

Allow to set new seeds.

Definition at line 129 of file RndmGenSvc.cpp.

                                                               {
   return m_engine ? m_engine->setSeeds( seeds ) : StatusCode::FAILURE;
 }

Member Data Documentation

◆ m_engine

SmartIF<IRndmEngine> RndmGenSvc::m_engine

mutableprivate

Random number engine.

Definition at line 62 of file RndmGenSvc.h.

◆ m_engineName

Gaudi::Property<std::string> RndmGenSvc::m_engineName { this, "Engine", "HepRndm::Engine<CLHEP::RanluxEngine>", "engine name" }

private

Definition at line 66 of file RndmGenSvc.h.

◆ m_serialize

SmartIF<ISerialize> RndmGenSvc::m_serialize

mutableprivate

Serialization interface of random number engine.

Definition at line 64 of file RndmGenSvc.h.

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

GaudiSvc/src/RndmGenSvc/RndmGenSvc.h
GaudiSvc/src/RndmGenSvc/RndmGenSvc.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ engine()

◆ finalize()

◆ generator()

◆ initialize()

◆ rndm()

◆ rndmArray()

◆ seeds()

◆ serialize() [1/2]

◆ serialize() [2/2]

◆ setSeeds()

Member Data Documentation

◆ m_engine

◆ m_engineName

◆ m_serialize