#include <ObjectCounter.h>

Inheritance diagram for ObjectCounter< C >:

Public Member Functions
void	endJob ()
	end-of-job processing More...

	ObjectCounter (const edm::ParameterSet &)
	constructor from parameter set More...

Public Member Functions inherited from edm::EDAnalyzer
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

	EDAnalyzer ()

ModuleDescription const &	moduleDescription () const

std::string	workerType () const

	~EDAnalyzer () 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

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)

virtual	~EDConsumerBase () noexcept(false)

Private Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &) override
	event processing More...

Private Attributes
unsigned long	n2Sum_

unsigned long	n_
	partial statistics More...

unsigned long	nSum_

edm::EDGetTokenT< C >	srcToken_
	label of source collection More...

bool	verbose_
	verbosity flag More...

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &)

static bool	wantsGlobalLuminosityBlocks ()

static bool	wantsGlobalRuns ()

static bool	wantsStreamLuminosityBlocks ()

static bool	wantsStreamRuns ()

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 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

template<typename C>
class ObjectCounter< C >

Counts the number of objects in a collection and prints a summary report at the end of a job.

Template parameters:

C : collection type

Author: Luca Lista, INFN

Version

Revision: 1.1

Id: ObjectCounter.h,v 1.1 2009/03/03 13:07:27 llista Exp

Definition at line 26 of file ObjectCounter.h.

Constructor & Destructor Documentation

template<typename C >

ObjectCounter< C >::ObjectCounter ( const edm::ParameterSet & par )

explicit

constructor from parameter set

Definition at line 45 of file ObjectCounter.h.

                                                             :
   srcToken_( consumes<C>( edm::InputTag( par.template getParameter<std::string>( "src" ) ) ) ),
   verbose_( par.template getUntrackedParameter<bool>( "verbose", true ) ),
   n_( 0 ), nSum_( 0 ), n2Sum_( 0 ) {
 }

Member Function Documentation

template<typename C >

void ObjectCounter< C >::analyze	(	const edm::Event &	evt,
		const edm::EventSetup &
	)

overrideprivatevirtual

event processing

Definition at line 68 of file ObjectCounter.h.

References MessageLogger_cfi::cerr, edm::Event::getByToken(), h, edm::HandleBase::isValid(), gen::n, ObjectCounter< C >::n2Sum_, ObjectCounter< C >::n_, ObjectCounter< C >::nSum_, and ObjectCounter< C >::srcToken_.

                                                                           {
   edm::Handle<C> h;
   evt.getByToken( srcToken_, h );
   if (!h.isValid()) {
     std::cerr << ">>> product: " << srcToken_ << " not found" << std::endl;
   } else {
     int n = h->size();
     nSum_ += n;
     n2Sum_ += ( n * n );
   }
   ++ n_;
 }

template<typename C >

void ObjectCounter< C >::endJob ( void )

virtual

end-of-job processing

Reimplemented from edm::EDAnalyzer.

Definition at line 52 of file ObjectCounter.h.

References gather_cfg::cout, triggerObjects_cff::id, gen::n, ObjectCounter< C >::n2Sum_, ObjectCounter< C >::n_, ObjectCounter< C >::nSum_, alignCSCRings::s, mathSSE::sqrt(), ObjectCounter< C >::srcToken_, and ObjectCounter< C >::verbose_.

Referenced by o2olib.O2ORunMgr::executeJob().

                               {
   double n = 0, n2 = 0, s;
   if ( n_!= 0 ) {
     n = double( nSum_ ) / n_;
     n2 = double ( n2Sum_ ) / n_;
   }
   s = sqrt( n2 - n * n );
   if ( verbose_ ) {
     edm::TypeID id( typeid( typename C::value_type ) );
     std::cout << ">>> collection \"" << srcToken_ << "\" contains ("
           << n << " +/- " << s << ") "
           << id.friendlyClassName() << " objects" << std::endl;
   }
 }