GenData Class Reference

Class for particle data access in GenBase. More...

#include <GenData.h>

Collaboration diagram for GenData:

Public Member Functions
Construction/destruction
	GenData ()
	Constructor.
virtual	~GenData ()
	Virtual destructor.

Particle data accessors
ServiceHandle< IPartPropSvc >	m_ppSvc {"PartPropSvc", "GenData"}
	Handle on the particle property service.
std::atomic< bool >	m_initialized {false}
const ServiceHandle< IPartPropSvc >	partPropSvc () const
	Access the particle property service.
const HepPDT::ParticleDataTable &	particleTable () const
	Get a particle data table.
const HepPDT::ParticleDataTable &	pdt () const
	Shorter alias to get a particle data table.
const HepPDT::ParticleData *	particleData (int pid) const
	Access an element in the particle data table.
std::optional< double >	particleMass (int pdgId) const
std::optional< double >	particleLifetime (int pdgId) const
std::optional< std::string >	particleName (int pdgId) const

Detailed Description

Class for particle data access in GenBase.

Definition at line 37 of file GenData.h.

Constructor & Destructor Documentation

GenData()

GenData::GenData ( )

inline

Constructor.

Definition at line 44 of file GenData.h.

{ };

~GenData()

virtual GenData::~GenData ( )

inlinevirtual

Virtual destructor.

Definition at line 47 of file GenData.h.

{ }

Member Function Documentation

particleData()

const HepPDT::ParticleData * GenData::particleData ( int pid ) const

inline

Access an element in the particle data table.

Definition at line 75 of file GenData.h.

                                                        {
    return pdt().particle(HepPDT::ParticleID(std::abs(pid)));
  }

particleLifetime()

std::optional< double > GenData::particleLifetime ( int pdgId ) const

inline

Definition at line 87 of file GenData.h.

                                                        {
    const HepPDT::ParticleData* particle = particleData(std::abs(pdgId));
    if (!particle) {
        return std::nullopt;
    }
    return particle->lifetime();
  }

particleMass()

std::optional< double > GenData::particleMass ( int pdgId ) const

inline

Definition at line 79 of file GenData.h.

                                                    {
    const HepPDT::ParticleData* particle = particleData(std::abs(pdgId));
    if (!particle) {
        return std::nullopt;
    }
    return particle->mass().value();
  }

particleName()

std::optional< std::string > GenData::particleName ( int pdgId ) const

inline

Definition at line 94 of file GenData.h.

                                                       {
    const HepPDT::ParticleData* particle = particleData(std::abs(pdgId));
    if (!particle) {
        return std::nullopt;
    }
    return particle->name();
  }

particleTable()

const HepPDT::ParticleDataTable & GenData::particleTable ( ) const

inline

Get a particle data table.

Definition at line 60 of file GenData.h.

                                                       {
    if (!m_initialized) {
      if (m_ppSvc.retrieve().isFailure()) {
            std::cerr<<  "GenData: failed to retrieve PartPropSvc\n";
            std::abort();
      }
      m_initialized = true;
    }
    return *(m_ppSvc->PDT());
  }

partPropSvc()

const ServiceHandle< IPartPropSvc > GenData::partPropSvc ( ) const

inline

Access the particle property service.

Definition at line 55 of file GenData.h.

                                                        {
    return m_ppSvc;
  }

pdt()

const HepPDT::ParticleDataTable & GenData::pdt ( ) const

inline

Shorter alias to get a particle data table.

Definition at line 72 of file GenData.h.

{ return particleTable(); }

Member Data Documentation

m_initialized

std::atomic<bool> GenData::m_initialized {false}

mutableprivate

Definition at line 110 of file GenData.h.

{false};

m_ppSvc

ServiceHandle<IPartPropSvc> GenData::m_ppSvc {"PartPropSvc", "GenData"}

private

Handle on the particle property service.

Definition at line 109 of file GenData.h.

{"PartPropSvc", "GenData"};

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

• GenData.h