The Gaudi Framework  v30r3 (a5ef0a68)
RndmEngine Class Reference

Random Generator engine definition. More...

#include <src/RndmGenSvc/RndmEngine.h>

Inheritance diagram for RndmEngine:
Collaboration diagram for RndmEngine:

Public Member Functions

StatusCode initialize () override
 Service override: initialization. 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...
 
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. More...
 
StatusCode setProperties ()
 Method for setting declared properties to the values specified for the job. 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 >
StatusCode declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
 Declare used tool. More...
 
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 Gaudi::Details::PropertyBase &p) override
 set the property form another property More...
 
StatusCode setProperty (const std::string &s) override
 set the property from the formatted string More...
 
StatusCode setProperty (const std::string &n, const std::string &v) override
 set the property from name and the value More...
 
StatusCode setProperty (const std::string &name, const TYPE &value)
 set the property form the value More...
 
StatusCode getProperty (Gaudi::Details::PropertyBase *p) const override
 get the property More...
 
const Gaudi::Details::PropertyBasegetProperty (const std::string &name) const override
 get the property by name More...
 
StatusCode getProperty (const std::string &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 (const std::string &name) const override
 Return true if we have a property with the given name. More...
 
 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...
 
MSG::Level outputLevel () const
 Backward compatibility function for getting the output level. More...
 
- Public Member Functions inherited from CommonMessagingBase
virtual ~CommonMessagingBase ()=default
 Virtual destructor. More...
 
const SmartIF< IMessageSvc > & msgSvc () const
 The standard message service. More...
 
MsgStreammsgStream () const
 Return an uninitialized MsgStream. More...
 
MsgStreammsgStream (const MSG::Level level) const
 Predefined configurable message stream for the efficient printouts. More...
 
MsgStreamalways () const
 shortcut for the method msgStream(MSG::ALWAYS) More...
 
MsgStreamfatal () const
 shortcut for the method msgStream(MSG::FATAL) More...
 
MsgStreamerr () const
 shortcut for the method msgStream(MSG::ERROR) More...
 
MsgStreamerror () const
 shortcut for the method msgStream(MSG::ERROR) More...
 
MsgStreamwarning () const
 shortcut for the method msgStream(MSG::WARNING) More...
 
MsgStreaminfo () const
 shortcut for the method msgStream(MSG::INFO) More...
 
MsgStreamdebug () const
 shortcut for the method msgStream(MSG::DEBUG) More...
 
MsgStreamverbose () const
 shortcut for the method msgStream(MSG::VERBOSE) More...
 
MsgStreammsg () const
 shortcut for the method msgStream(MSG::INFO) 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
 ~Service () override
 Standard Destructor. More...
 
int outputLevel () const
 get the Service's output level More...
 
- Protected Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
Gaudi::Details::PropertyBaseproperty (const std::string &name) const
 
- 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"}
 
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()"}
 
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 42 of file RndmEngine.h.

Member Function Documentation

StatusCode RndmEngine::initialize ( )
override

Service override: initialization.

Definition at line 31 of file RndmEngine.cpp.

32 {
34  if ( status.isSuccess() ) status = setProperties();
35  return status;
36 }
StatusCode initialize() override
Definition: Service.cpp:63
bool isSuccess() const
Definition: StatusCode.h:287
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:51
StatusCode setProperties()
Method for setting declared properties to the values specified for the job.
Definition: Service.cpp:294
double RndmEngine::rndm ( ) const
override

Single shot returning single random number.

Definition at line 46 of file RndmEngine.cpp.

46 { return DBL_MAX; }
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 54 of file RndmEngine.cpp.

55 {
56  array.resize( start + howmany );
57  std::generate_n( std::next( array.begin(), start ), howmany, [&]() { return this->rndm(); } );
58  return StatusCode::SUCCESS;
59 }
StatusCode start() override
Definition: Service.cpp:136
T resize(T...args)
T next(T...args)
T generate_n(T...args)
constexpr static const auto SUCCESS
Definition: StatusCode.h:87
T begin(T...args)
double rndm() const override
Single shot returning single random number.
Definition: RndmEngine.cpp:46
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 40 of file RndmEngine.cpp.

40 { return str; }
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 43 of file RndmEngine.cpp.

43 { return str; }

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