HistoAnalyzer< C > Class Template Reference

#include <HistoAnalyzer.h>

Inheritance diagram for HistoAnalyzer< C >:

Public Member Functions
	HistoAnalyzer (const edm::ParameterSet &)
	constructor from parameter set More...
	~HistoAnalyzer ()
	destructor 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
virtual	~EDAnalyzer ()
Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()
ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

Protected Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &) override
	process an event More...
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)

Private Attributes
edm::EDGetTokenT< C >	srcToken_
	label of the collection to be read in More...
bool	usingWeights_
	Do we weight events? More...
std::vector< ExpressionHisto < typename C::value_type > * >	vhistograms
	vector of the histograms More...
edm::EDGetTokenT< double >	weightsToken_
	label of the weight collection (can be null for weights = 1) More...

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType
Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &)

Detailed Description

template<typename C>
class HistoAnalyzer< C >

Creates histograms defined in config file

Author

: Benedikt Hegner, DESY

Template parameters:

• C : Concrete candidate collection type

Definition at line 22 of file HistoAnalyzer.h.

Constructor & Destructor Documentation

template<typename C >

HistoAnalyzer< C >::HistoAnalyzer

(

const edm::ParameterSet &

par

)

constructor from parameter set

Definition at line 45 of file HistoAnalyzer.h.

References end, estimatePileup::hist, bookConverter::histograms, ExpressionHisto< T >::initialize(), TFileService::tFileDirectory(), and HistoAnalyzer< C >::vhistograms.

                                                            :
  srcToken_(consumes<C>(par.template getParameter<edm::InputTag>("src"))),
  usingWeights_(par.exists("weights")),
  weightsToken_(mayConsume<double>(par.template getUntrackedParameter<edm::InputTag>("weights", edm::InputTag("fake"))))
{
   edm::Service<TFileService> fs;
   std::vector<edm::ParameterSet> histograms =
                                   par.template getParameter<std::vector<edm::ParameterSet> >("histograms");
   std::vector<edm::ParameterSet>::const_iterator it = histograms.begin();
   std::vector<edm::ParameterSet>::const_iterator end = histograms.end();

   // create the histograms from the given parameter sets
   for (; it!=end; ++it)
   {
      ExpressionHisto<typename C::value_type>* hist = new ExpressionHisto<typename C::value_type>(*it);
      hist->initialize(fs->tFileDirectory());
      vhistograms.push_back(hist);
   }

}

template<typename C >

HistoAnalyzer< C >::~HistoAnalyzer

(

)

destructor

Definition at line 67 of file HistoAnalyzer.h.

References end.

{
   // delete all histograms and clear the vector of pointers
   typename std::vector<ExpressionHisto<typename C::value_type>* >::iterator it = vhistograms.begin();
   typename std::vector<ExpressionHisto<typename C::value_type>* >::iterator end = vhistograms.end();
   for (;it!=end; ++it){
     (*it)->~ExpressionHisto<typename C::value_type>();
   }
   vhistograms.clear();
}

Member Function Documentation

template<typename C >

void HistoAnalyzer< C >::analyze ( const edm::Event &  iEvent, const edm::EventSetup &    )

overrideprotectedvirtual

process an event

Implements edm::EDAnalyzer.

Definition at line 79 of file HistoAnalyzer.h.

References coll, HTMLExport::elem(), end, edm::Event::getByToken(), i, and histoStyle::weight.

{
   edm::Handle<C> coll;
   iEvent.getByToken( srcToken_, coll);
   double weight = 1.0;
   if (usingWeights_) {
       edm::Handle<double> weightColl;
       iEvent.getByToken( weightsToken_, weightColl );
       weight = *weightColl;
   }

   typename std::vector<ExpressionHisto<typename C::value_type>* >::iterator it = vhistograms.begin();
   typename std::vector<ExpressionHisto<typename C::value_type>* >::iterator end = vhistograms.end();

   for (;it!=end; ++it){
      uint32_t i = 0;
      for( typename C::const_iterator elem=coll->begin(); elem!=coll->end(); ++elem, ++i ) {
         if (!(*it)->fill( *elem, weight, i )) {
            break;
         }
      }
   }
}

Member Data Documentation

template<typename C >

edm::EDGetTokenT<C> HistoAnalyzer< C >::srcToken_

private

label of the collection to be read in

Definition at line 35 of file HistoAnalyzer.h.

template<typename C >

bool HistoAnalyzer< C >::usingWeights_

private

Do we weight events?

Definition at line 37 of file HistoAnalyzer.h.

template<typename C >

std::vector<ExpressionHisto<typename C::value_type>* > HistoAnalyzer< C >::vhistograms

private

vector of the histograms

Definition at line 41 of file HistoAnalyzer.h.

Referenced by HistoAnalyzer< C >::HistoAnalyzer().

template<typename C >

edm::EDGetTokenT<double> HistoAnalyzer< C >::weightsToken_

private

label of the weight collection (can be null for weights = 1)

Definition at line 39 of file HistoAnalyzer.h.