HiveRndm::HiveNumbers Class Reference

#include <src/HiveNumbers.h>

Collaboration diagram for HiveRndm::HiveNumbers:

Public Member Functions
	HiveNumbers ()
	Standard constructor. More...
	HiveNumbers (const HiveNumbers &copy)
	Copy constructor. More...
	HiveNumbers (const SmartIF< IRndmGenSvc > &svc, const IRndmGen::Param &par)
	Initializing constructor. More...
virtual	~HiveNumbers ()
	Standard destructor. More...
virtual StatusCode	initialize (const SmartIF< IRndmGenSvc > &svc, const IRndmGen::Param &par)
	Initialization. More...
	HiveNumbers (IRndmGenSvc *svc, const IRndmGen::Param &par)
	Initializing constructor. More...
virtual StatusCode	initialize (IRndmGenSvc *svc, const IRndmGen::Param &par)
	Initialization. More...
virtual StatusCode	finalize ()
	Finalization. More...
	operator bool () const
	Check if the number supply is possible. More...
double	operator() ()
	Operator () for the use within STL. More...
double	pop ()
	Pop a new number from the buffer. More...
double	shoot ()
	Pop a new number from the buffer. More...
StatusCode	shootArray (std::vector< double > &array, long num, long start=0)
	Pop a new number from the buffer. More...

Protected Attributes
IRndmGen *	m_generator
	Pointer to random number generator. More...

Private Attributes
unsigned int	m_buffer_index
const unsigned int	m_buffer_size
std::vector< double >	m_buffer

Static Private Attributes
static HiveNumbersMutex	m_genMutex

Detailed Description

Definition at line 28 of file HiveNumbers.h.

Constructor & Destructor Documentation

HiveNumbers() [1/4]

HiveRndm::HiveNumbers::HiveNumbers

(

)

Standard constructor.

Definition at line 15 of file HiveNumbers.cpp.

                                 : m_buffer_index( 0 ), m_buffer_size( HIVENUMBERS_BUFFER_SIZE ), m_generator( 0 ) {
  m_buffer.reserve( m_buffer_size );
}

HiveNumbers() [2/4]

HiveRndm::HiveNumbers::HiveNumbers

(

const HiveNumbers &

copy

)

Copy constructor.

Definition at line 20 of file HiveNumbers.cpp.

    : m_buffer_index( 0 ), m_buffer_size( HIVENUMBERS_BUFFER_SIZE ), m_generator( copy.m_generator ) {
  m_buffer.reserve( m_buffer_size );
  if ( 0 != m_generator ) { m_generator->addRef(); }
}

HiveNumbers() [3/4]

HiveRndm::HiveNumbers::HiveNumbers	(	const SmartIF< IRndmGenSvc > &	svc,
		const IRndmGen::Param &	par
	)

Initializing constructor.

Definition at line 27 of file HiveNumbers.cpp.

    : m_buffer_index( 0 ), m_buffer_size( HIVENUMBERS_BUFFER_SIZE ), m_generator( 0 ) {
  m_buffer.reserve( m_buffer_size );
  StatusCode status = initialize( svc, par );
  if ( !status.isSuccess() ) { throw GaudiException( "Initialization failed !", "HiveRndm::HiveNumbers", status ); }
}

~HiveNumbers()

HiveRndm::HiveNumbers::~HiveNumbers ( )

virtual

Standard destructor.

Definition at line 35 of file HiveNumbers.cpp.

{ finalize().ignore(); }

HiveNumbers() [4/4]

HiveRndm::HiveNumbers::HiveNumbers	(	IRndmGenSvc *	svc,
		const IRndmGen::Param &	par
	)

Initializing constructor.

Definition at line 59 of file HiveNumbers.cpp.

    : m_buffer_index( 0 ), m_buffer_size( HIVENUMBERS_BUFFER_SIZE ), m_generator( 0 ) {
  StatusCode status = initialize( svc, par );
  if ( !status.isSuccess() ) { throw GaudiException( "Initialization failed !", "HiveRndm::HiveNumbers", status ); }
}

Member Function Documentation

finalize()

StatusCode HiveRndm::HiveNumbers::finalize ( )

virtual

Finalization.

Definition at line 48 of file HiveNumbers.cpp.

                                         {
  if ( 0 != m_generator ) {
    m_generator->finalize().ignore();
    m_generator->release();
    m_generator = 0;
  }
  return StatusCode::SUCCESS;
}

initialize() [1/2]

StatusCode HiveRndm::HiveNumbers::initialize ( const SmartIF< IRndmGenSvc > &  svc, const IRndmGen::Param &  par  )

virtual

Initialization.

Fix-Me:

: this is a hack, but I do not have the time to review the correct constantness of all the methods

Definition at line 38 of file HiveNumbers.cpp.

                                                                                                      {
  if ( svc.isValid() && 0 == m_generator ) {
    return svc->generator( par, m_generator );
  }
  return StatusCode::FAILURE;
}

initialize() [2/2]

StatusCode HiveRndm::HiveNumbers::initialize ( IRndmGenSvc *  svc, const IRndmGen::Param &  par  )

virtual

Initialization.

Definition at line 66 of file HiveNumbers.cpp.

                                                                                       {
  return initialize( SmartIF<IRndmGenSvc>( svc ), par );
}

operator bool()

HiveRndm::HiveNumbers::operator bool ( ) const

inline

Check if the number supply is possible.

Definition at line 59 of file HiveNumbers.h.

{ return m_generator != 0; }

operator()()

double HiveRndm::HiveNumbers::operator() ( )

inline

Operator () for the use within STL.

Definition at line 61 of file HiveNumbers.h.

{ return this->shoot(); }

pop()

double HiveRndm::HiveNumbers::pop ( )

inline

Pop a new number from the buffer.

Definition at line 63 of file HiveNumbers.h.

{ return this->shoot(); }

shoot()

double HiveRndm::HiveNumbers::shoot ( )

inline

Pop a new number from the buffer.

Definition at line 65 of file HiveNumbers.h.

                   {
      if ( 0 != m_generator ) {
        if ( m_buffer_index == 0 ) { // we are out of numbers
          this->shootArray( m_buffer, m_buffer_size );
          m_buffer_index = m_buffer_size - 1;
        }
        const double number = m_buffer[m_buffer_index];
        m_buffer_index--;
        return number;
      }
      return -1;
    }

shootArray()

StatusCode HiveRndm::HiveNumbers::shootArray ( std::vector< double > &  array, long  num, long  start = 0  )

inline

Pop a new number from the buffer.

Definition at line 78 of file HiveNumbers.h.

                                                                                {
      if ( 0 != m_generator ) {
        StatusCode status;
        {
          HiveNumbersMutex::scoped_lock lock( m_genMutex );
          status = m_generator->shootArray( array, num, start );
        }
        return status;
      }
      return StatusCode::FAILURE;
    }

Member Data Documentation

m_buffer

std::vector<double> HiveRndm::HiveNumbers::m_buffer

private

Definition at line 32 of file HiveNumbers.h.

m_buffer_index

unsigned int HiveRndm::HiveNumbers::m_buffer_index

private

Definition at line 30 of file HiveNumbers.h.

m_buffer_size

const unsigned int HiveRndm::HiveNumbers::m_buffer_size

private

Definition at line 31 of file HiveNumbers.h.

m_generator

IRndmGen* HiveRndm::HiveNumbers::m_generator

protected

Pointer to random number generator.

Definition at line 37 of file HiveNumbers.h.

m_genMutex

HiveRndm::HiveNumbersMutex HiveRndm::HiveNumbers::m_genMutex

staticprivate

Definition at line 33 of file HiveNumbers.h.

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

• GaudiHive/src/HiveNumbers.h
• GaudiHive/src/HiveNumbers.cpp