The Gaudi Framework  master (37c0b60a)
RndmEngine Class Reference

Random Generator engine definition. More...

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

Inheritance diagram for RndmEngine:
Collaboration diagram for RndmEngine:

Public Member Functions

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...
 
StreamBufferserialize (StreamBuffer &str) override
 Input serialization from stream buffer. More...
 
StreamBufferserialize (StreamBuffer &str) const override
 Output serialization to stream buffer. More...
 
- Public Member Functions inherited from extends< Service, 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::stringgetInterfaceNames () const override
 Implementation of IInterface::getInterfaceNames. More...
 
- Public Member Functions inherited from Service
const std::stringname () 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
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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::PropertyBasedeclareProperty (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, const std::string &toolTypeAndName, bool createIf=true)
 Declare used tool. More...
 
template<class T >
Gaudi::Details::PropertyBasedeclareProperty (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::PropertyBasedeclareProperty (Gaudi::Details::PropertyBase &prop)
 Declare a property. More...
 
Gaudi::Details::PropertyBasedeclareProperty (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::PropertyBasedeclareProperty (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::PropertyBasedeclareRemoteProperty (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::PropertyBasegetProperty (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::PropertyBaseproperty (std::string_view name) const
 \fixme property and bindPropertiesTo should be protected More...
 
void bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
 
 PropertyHolder (const PropertyHolder &)=delete
 
PropertyHolderoperator= (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...
 

Additional Inherited Members

- Public Types inherited from extends< Service, 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< IAuditorSvcm_pAuditorSvc
 Auditor Service
More...
 

Detailed Description

Random Generator engine definition.

Description: Definition of a interface for a generic random number generator giving randomly distributed numbers in the range [0...1] number generators.

Dependencies:

  • Generic Service interface: Gaudi/Interfaces/IRndmEngine.h

History :

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

Author: M.Frank Version: 1.0

Definition at line 52 of file RndmEngine.h.

Member Function Documentation

◆ rndm()

double RndmEngine::rndm ( ) const
override

Single shot returning single random number.

Definition at line 48 of file RndmEngine.cpp.

48 { return DBL_MAX; }

◆ rndmArray()

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

Multiple shots returning vector with flat random numbers.

Parameters
arrayArray containing random numbers
howmanyfill 'howmany' random numbers into array
start... starting at position start
Returns
StatusCode indicating failure or success.

Definition at line 56 of file RndmEngine.cpp.

56  {
57  array.resize( start + howmany );
58  std::generate_n( std::next( array.begin(), start ), howmany, [&]() { return this->rndm(); } );
59  return StatusCode::SUCCESS;
60 }

◆ serialize() [1/2]

StreamBuffer & RndmEngine::serialize ( StreamBuffer str) const
override

Output serialization to stream buffer.

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

Saves the status of the object.

Parameters
strReference to Streambuffer to be read
Returns
Reference to read stream buffer

Definition at line 45 of file RndmEngine.cpp.

45 { return str; }

◆ serialize() [2/2]

StreamBuffer & RndmEngine::serialize ( StreamBuffer str)
override

Input serialization from stream buffer.

IRndmEngine interface implementation

Restores the status of the object.

Parameters
strReference to Streambuffer to be filled
Returns
Reference to filled stream buffer

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

Definition at line 42 of file RndmEngine.cpp.

42 { return str; }

The documentation for this class was generated from the following files:
std::generate_n
T generate_n(T... args)
Service::start
StatusCode start() override
Definition: Service.cpp:187
StatusCode::SUCCESS
constexpr static const auto SUCCESS
Definition: StatusCode.h:100
Containers::array
struct GAUDI_API array
Parametrisation class for redirection array - like implementation.
Definition: KeyedObjectManager.h:37
std::next
T next(T... args)