edm::Prescaler Class Reference

Inheritance diagram for edm::Prescaler:

Public Member Functions
bool	filter (StreamID, Event &e, EventSetup const &c) const final
	Prescaler (ParameterSet const &)
	~Prescaler () override
Public Member Functions inherited from edm::global::EDFilter<>
	EDFilter ()=default
bool	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () const final
bool	wantsGlobalLuminosityBlocks () const final
bool	wantsGlobalRuns () const final
bool	wantsStreamLuminosityBlocks () const final
bool	wantsStreamRuns () const final
Public Member Functions inherited from edm::global::EDFilterBase
	EDFilterBase ()
ModuleDescription const &	moduleDescription () const
	~EDFilterBase () override
Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const
	ProducerBase ()
std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)
	~ProducerBase () noexcept(false) override
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...
	EDConsumerBase ()
	EDConsumerBase (EDConsumerBase const &)=delete
	EDConsumerBase (EDConsumerBase &&)=default
ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const
ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
EDConsumerBase &	operator= (EDConsumerBase &&)=default
bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)
virtual	~EDConsumerBase () noexcept(false)

Static Public Member Functions
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Static Public Member Functions inherited from edm::global::EDFilterBase
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
std::atomic< int >	count_
int	n_
int	offset_

Additional Inherited Members
Public Types inherited from edm::global::EDFilterBase
typedef EDFilterBase	ModuleType
Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const *, const char *, edm::ProductResolverIndex >>
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)
ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...
template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()
void	consumesMany (const TypeToGet &id)
template<BranchType B>
void	consumesMany (const TypeToGet &id)
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Definition at line 10 of file Prescaler.cc.

Constructor & Destructor Documentation

edm::Prescaler::Prescaler ( ParameterSet const &  ps )

explicit

Definition at line 24 of file Prescaler.cc.

      : count_(), n_(ps.getParameter<int>("prescaleFactor")), offset_(ps.getParameter<int>("prescaleOffset")) {}

edm::Prescaler::~Prescaler ( )

override

Definition at line 27 of file Prescaler.cc.

{}

Member Function Documentation

void edm::Prescaler::fillDescriptions ( ConfigurationDescriptions &  descriptions )

static

Definition at line 35 of file Prescaler.cc.

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::add(), and DEFINE_FWK_MODULE.

                                                                          {
    ParameterSetDescription desc;
    desc.add<int>("prescaleFactor")->setComment("Accept one event every N events");
    desc.add<int>("prescaleOffset")
        ->setComment(
            "The first event to accept should be the Mth one. Choose 'prescaleFactor'=1 to accept the first event from "
            "the source.");
    descriptions.add("preScaler", desc);
  }

bool edm::Prescaler::filter ( StreamID  , Event &  e, EventSetup const &  c  ) const

finalvirtual

Implements edm::global::EDFilterBase.

Definition at line 29 of file Prescaler.cc.

References KineDebug3::count(), count_, n_, and offset_.

                                                                  {
    //have to capture the value here since it could change by the time we do the comparision
    int count = ++count_;
    return count % n_ == offset_ ? true : false;
  }

Member Data Documentation

std::atomic<int> edm::Prescaler::count_

mutableprivate

Definition at line 19 of file Prescaler.cc.

Referenced by filter().

int edm::Prescaler::n_

private

Definition at line 20 of file Prescaler.cc.

Referenced by filter().

int edm::Prescaler::offset_

private

Definition at line 21 of file Prescaler.cc.

Referenced by filter().