PassThroughEvtVtxGenerator Class Reference

#include <PassThroughEvtVtxGenerator.h>

Inheritance diagram for PassThroughEvtVtxGenerator:

Public Member Functions
TMatrixD const *	GetInvLorentzBoost () const override
HepMC::FourVector	newVertex (CLHEP::HepRandomEngine *) const override
	PassThroughEvtVtxGenerator (const edm::ParameterSet &)
void	produce (edm::Event &, const edm::EventSetup &) override
	~PassThroughEvtVtxGenerator () override
Public Member Functions inherited from BaseEvtVtxGenerator
	BaseEvtVtxGenerator (const edm::ParameterSet &)
void	produce (edm::Event &, const edm::EventSetup &) override
	~BaseEvtVtxGenerator () override
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndRuns () const final

Private Attributes
edm::EDGetTokenT< edm::HepMCProduct >	sourceToken

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes
typedef CacheTypes::GlobalCache	GlobalCache
typedef AbilityChecker< T... >	HasAbility
typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache
typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext
typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache
typedef CacheTypes::RunCache	RunCache
typedef RunContextT< RunCache, GlobalCache >	RunContext
typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Definition at line 24 of file PassThroughEvtVtxGenerator.h.

Constructor & Destructor Documentation

PassThroughEvtVtxGenerator::PassThroughEvtVtxGenerator ( const edm::ParameterSet &  pset )

explicit

Definition at line 29 of file PassThroughEvtVtxGenerator.cc.

References Exception, edm::ParameterSet::getParameter(), edm::Service< T >::isAvailable(), and sourceToken.

                                                                               : BaseEvtVtxGenerator(pset) {
  Service<RandomNumberGenerator> rng;
  if (!rng.isAvailable()) {
    throw cms::Exception("Configuration")
        << "The PassThroughEvtVtxGenerator requires the RandomNumberGeneratorService\n"
           "which is not present in the configuration file. \n"
           "You must add the service\n"
           "in the configuration file or remove the modules that require it.";
  }
  sourceToken = consumes<edm::HepMCProduct>(pset.getParameter<edm::InputTag>("src"));
}

PassThroughEvtVtxGenerator::~PassThroughEvtVtxGenerator ( )

override

Definition at line 41 of file PassThroughEvtVtxGenerator.cc.

{}

Member Function Documentation

TMatrixD const* PassThroughEvtVtxGenerator::GetInvLorentzBoost ( ) const

inlineoverridevirtual

This method - and the comment - is a left-over from COBRA-OSCAR time : return the last generated event vertex. If no vertex has been generated yet, a NULL pointer is returned.

Implements BaseEvtVtxGenerator.

Definition at line 34 of file PassThroughEvtVtxGenerator.h.

{ return nullptr; };

HepMC::FourVector PassThroughEvtVtxGenerator::newVertex ( CLHEP::HepRandomEngine *  ) const

overridevirtual

Implements BaseEvtVtxGenerator.

Definition at line 43 of file PassThroughEvtVtxGenerator.cc.

                                                                                 {
  return HepMC::FourVector(0., 0., 0., 0);
}

void PassThroughEvtVtxGenerator::produce ( edm::Event &  evt, const edm::EventSetup &    )

override

Definition at line 47 of file PassThroughEvtVtxGenerator.cc.

References edm::Event::getByToken(), edm::HepMCProduct::GetEvent(), eostools::move(), edm::Event::put(), and sourceToken.

                                                                      {
  edm::Service<edm::RandomNumberGenerator> rng;

  Handle<HepMCProduct> HepUnsmearedMCEvt;

  evt.getByToken(sourceToken, HepUnsmearedMCEvt);

  // Copy the HepMC::GenEvent
  HepMC::GenEvent* genevt = new HepMC::GenEvent(*HepUnsmearedMCEvt->GetEvent());
  std::unique_ptr<edm::HepMCProduct> HepMCEvt(new edm::HepMCProduct(genevt));

  evt.put(std::move(HepMCEvt));

  return;
}

Member Data Documentation

edm::EDGetTokenT<edm::HepMCProduct> PassThroughEvtVtxGenerator::sourceToken

private

Definition at line 34 of file PassThroughEvtVtxGenerator.h.

Referenced by PassThroughEvtVtxGenerator(), and produce().