HLTRechitsToDigis Class Reference

#include <HLTrigger/special/plugins/HLTRechitsToDigis.cc>

Inheritance diagram for HLTRechitsToDigis:

Public Types
enum	ecalRegion { invalidRegion = 0, barrel, endcap }
Public Types inherited from edm::stream::EDProducer<>
using	CacheTypes = CacheContexts< T... >
using	GlobalCache = typename CacheTypes::GlobalCache
using	HasAbility = AbilityChecker< T... >
using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache
using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache
using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >
using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache
using	RunCache = typename CacheTypes::RunCache
using	RunContext = RunContextT< RunCache, GlobalCache >
using	RunSummaryCache = typename CacheTypes::RunSummaryCache

Public Member Functions
	HLTRechitsToDigis (const edm::ParameterSet &)
	~HLTRechitsToDigis () override
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
	EDProducer (const EDProducer &)=delete
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () const final
const EDProducer &	operator= (const EDProducer &)=delete

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)
static const HLTRechitsToDigis::ecalRegion	stringToRegion (const std::string &region)

Private Member Functions
void	produce (edm::Event &, edm::EventSetup const &) override

Private Attributes
edm::EDGetTokenT< EBDigiCollection >	digisEBInToken_
edm::EDGetTokenT< EEDigiCollection >	digisEEInToken_
edm::InputTag	digisIn_
std::string	digisOut_
const EcalReadoutTools::ESGetTokens	ecalReadoutToolsESGetTokens_
edm::InputTag	recHits_
edm::EDGetTokenT< EcalRecHitCollection >	recHitsToken_
ecalRegion	region_
edm::EDGetTokenT< EBSrFlagCollection >	srFlagsEBInToken_
edm::EDGetTokenT< EESrFlagCollection >	srFlagsEEInToken_
edm::InputTag	srFlagsIn_
std::string	srFlagsOut_

Detailed Description

Description: [one line class summary]

Implementation: [Notes on implementation]

Definition at line 46 of file HLTRechitsToDigis.cc.

Member Enumeration Documentation

ecalRegion

enum HLTRechitsToDigis::ecalRegion

Enumerator
invalidRegion
barrel
endcap

Definition at line 51 of file HLTRechitsToDigis.cc.

{ invalidRegion = 0, barrel, endcap };

Constructor & Destructor Documentation

HLTRechitsToDigis()

HLTRechitsToDigis::HLTRechitsToDigis ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 85 of file HLTRechitsToDigis.cc.

    : ecalReadoutToolsESGetTokens_{iConfig, consumesCollector()} {
  //region to do rechit digi matching
  region_ = stringToRegion(iConfig.getParameter<std::string>("region"));
 
  // digis to match to hit collections
  digisIn_ = iConfig.getParameter<edm::InputTag>("digisIn");
  digisOut_ = iConfig.getParameter<std::string>("digisOut");
 
  // hit collections to save digis for
  recHits_ = iConfig.getParameter<edm::InputTag>("recHits");
 
  // srFlags matched to digis to be saved
  srFlagsIn_ = iConfig.getParameter<edm::InputTag>("srFlagsIn");
  srFlagsOut_ = iConfig.getParameter<std::string>("srFlagsOut");
 
  // region specific tokens
  switch (region_) {
    case barrel:
      digisEBInToken_ = consumes<EBDigiCollection>(digisIn_);
      produces<EBDigiCollection>(digisOut_);
      // protection against empty InputTag to allow for backward compatibility
      if (not srFlagsIn_.label().empty()) {
        srFlagsEBInToken_ = consumes<EBSrFlagCollection>(srFlagsIn_);
        produces<EBSrFlagCollection>(srFlagsOut_);
      }
      break;
    case endcap:
      digisEEInToken_ = consumes<EEDigiCollection>(digisIn_);
      produces<EEDigiCollection>(digisOut_);
      // protection against empty InputTag to allow for backward compatibility
      if (not srFlagsIn_.label().empty()) {
        srFlagsEEInToken_ = consumes<EESrFlagCollection>(srFlagsIn_);
        produces<EESrFlagCollection>(srFlagsOut_);
      }
      break;
    case invalidRegion:
      break;
  }
 
  recHitsToken_ = consumes<EcalRecHitCollection>(recHits_);
}

~HLTRechitsToDigis()

HLTRechitsToDigis::~HLTRechitsToDigis ( )

override

Definition at line 128 of file HLTRechitsToDigis.cc.

                                      {
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)
}

Member Function Documentation

fillDescriptions()

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

static

Definition at line 298 of file HLTRechitsToDigis.cc.

                                                                                   {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
 
  desc.add<std::string>("region", "barrel")
      ->setComment("Region of rechits to save Digis for. Allowed values: barrel or endcap.");
  desc.add<edm::InputTag>("digisIn", edm::InputTag("ecalDigis", "ebDigis"))
      ->setComment("The collection of either barrel or endcap digis which correspond to the rechit collection");
  desc.add<std::string>("digisOut", "pi0EBDigis")->setComment("Name for the collection of Digis saved by the module");
  desc.add<edm::InputTag>("recHits", edm::InputTag("hltAlCaPi0EBUncalibrator", "pi0EcalRecHitsEB"))
      ->setComment("Collection of rechits to match Digis to");
  desc.add<edm::InputTag>("srFlagsIn", edm::InputTag())
      ->setComment("The collection of either barrel or endcap srFlags which correspond to the rechit collection");
  desc.add<std::string>("srFlagsOut", "pi0EBSrFlags")
      ->setComment("Name for the collection of SrFlags saved by the module");
  descriptions.add("hltFindMatchingECALDigisToRechits", desc);
}

References edm::ConfigurationDescriptions::add(), submitPVResolutionJobs::desc, HLT_FULL_cff::InputTag, and AlCaHLTBitMon_QueryRunRegistry::string.

produce()

void HLTRechitsToDigis::produce ( edm::Event &  iEvent, edm::EventSetup const &  setup  )

overrideprivate

Definition at line 146 of file HLTRechitsToDigis.cc.

                                                                            {
  using namespace edm;
  // handles for digis
  Handle<EBDigiCollection> digisEBHandle;
  Handle<EEDigiCollection> digisEEHandle;
 
  // output collections
  std::unique_ptr<EBDigiCollection> outputEBDigiCollection(new EBDigiCollection);
  std::unique_ptr<EEDigiCollection> outputEEDigiCollection(new EEDigiCollection);
 
  // handles for srFlags
  Handle<EBSrFlagCollection> srFlagsEBHandle;
  Handle<EESrFlagCollection> srFlagsEEHandle;
 
  // output collections
  std::unique_ptr<EBSrFlagCollection> outputEBSrFlagCollection(new EBSrFlagCollection);
  std::unique_ptr<EESrFlagCollection> outputEESrFlagCollection(new EESrFlagCollection);
  EcalReadoutTools ecalReadOutTool(iEvent, setup, ecalReadoutToolsESGetTokens_);
 
  // calibrated rechits
  Handle<EcalRecHitCollection> recHitsHandle;
  iEvent.getByToken(recHitsToken_, recHitsHandle);
 
  // match the digis based on the region
  switch (region_) {
    case barrel: {
      iEvent.getByToken(digisEBInToken_, digisEBHandle);
      const EBDigiCollection* digisEB = digisEBHandle.product();
 
      const EBSrFlagCollection* srFlagsEB = nullptr;
      // protection against uninitialized token (empty InputTag) to allow for backward compatibility
      if (not srFlagsEBInToken_.isUninitialized()) {
        iEvent.getByToken(srFlagsEBInToken_, srFlagsEBHandle);
        srFlagsEB = srFlagsEBHandle.product();
      }
 
      // loop over the collection of rechits and match to digis
      // at the same time, create the new sfFlags collection from the original one, keeping only the flags matched to digis
      EcalRecHitCollection::const_iterator ituneEB;
      for (ituneEB = recHitsHandle->begin(); ituneEB != recHitsHandle->end(); ituneEB++) {
        EcalRecHit const& hit = (*ituneEB);
        EcalDigiCollection::const_iterator digiLookUp = digisEB->find(hit.id());
        // protect against a digi not existing
        if (digiLookUp == digisEB->end())
          continue;
        outputEBDigiCollection->push_back(digiLookUp->id(), digiLookUp->begin());
 
        EBSrFlagCollection::const_iterator srFlagLookUp;
        if (not srFlagsEBInToken_.isUninitialized()) {
          // same matching for srFlags
          // firstly, get the tower id
          const EcalTrigTowerDetId& ttId = ecalReadOutTool.readOutUnitOf(static_cast<EBDetId>(hit.id()));
          // avoid inserting the same tower twice in the output collection (all the digis in the same tower will have the same SR flag)
          if (outputEBSrFlagCollection->find(ttId) != outputEBSrFlagCollection->end())
            continue;
          srFlagLookUp = srFlagsEB->find(ttId);
          // protect against a srFlag not existing
          if (srFlagLookUp == srFlagsEB->end())
            continue;
          outputEBSrFlagCollection->push_back(*srFlagLookUp);
        }
      }
 
      // add the built collection to the event
      iEvent.put(std::move(outputEBDigiCollection), digisOut_);
      if (not srFlagsEBInToken_.isUninitialized())
        iEvent.put(std::move(outputEBSrFlagCollection), srFlagsOut_);
      break;
    }
    case endcap: {
      iEvent.getByToken(digisEEInToken_, digisEEHandle);
      const EEDigiCollection* digisEE = digisEEHandle.product();
 
      const EESrFlagCollection* srFlagsEE = nullptr;
      // protection against uninitialized token (empty InputTag) to allow for backward compatibility
      if (not srFlagsEEInToken_.isUninitialized()) {
        iEvent.getByToken(srFlagsEEInToken_, srFlagsEEHandle);
        srFlagsEE = srFlagsEEHandle.product();
      }
 
      // loop over the collection of rechits and match to digis
      // at the same time, create the new sfFlags collection from the original one, keeping only the flags matched to digis
      EcalRecHitCollection::const_iterator ituneEE;
      for (ituneEE = recHitsHandle->begin(); ituneEE != recHitsHandle->end(); ituneEE++) {
        EcalRecHit const& hit = (*ituneEE);
        EcalDigiCollection::const_iterator digiLookUp = digisEE->find(hit.id());
        // protect against a digi not existing for the saved rechit
        if (digiLookUp == digisEE->end())
          continue;
        outputEEDigiCollection->push_back(digiLookUp->id(), digiLookUp->begin());
 
        EESrFlagCollection::const_iterator srFlagLookUp;
        if (not srFlagsEEInToken_.isUninitialized()) {
          // same matching for srFlags
          // firstly, get the tower id
          const EcalScDetId& scId = ecalReadOutTool.readOutUnitOf(static_cast<EEDetId>(hit.id()));
          // avoid inserting the same tower twice in the output collection (all the digis in the same tower will have the same SR flag)
          if (outputEESrFlagCollection->find(scId) != outputEESrFlagCollection->end())
            continue;
          srFlagLookUp = srFlagsEE->find(scId);
          // protect against an srFlag not existing for the saved rechit
          if (srFlagLookUp == srFlagsEE->end())
            continue;
          outputEESrFlagCollection->push_back(*srFlagLookUp);
        }
      }  // end loop over endcap rechits
 
      // add the built collection to the event
      iEvent.put(std::move(outputEEDigiCollection), digisOut_);
      if (not srFlagsEEInToken_.isUninitialized())
        iEvent.put(std::move(outputEESrFlagCollection), srFlagsOut_);
      break;
    }
    case invalidRegion: {
      break;
    }
  }  // end switch statement for the region (barrel, endcap, invalid)
}

References barrel, edm::SortedCollection< T, SORT >::begin(), digisEBInToken_, digisEEInToken_, digisOut_, ecalReadoutToolsESGetTokens_, edm::SortedCollection< T, SORT >::end(), edm::DataFrameContainer::end(), endcap, edm::SortedCollection< T, SORT >::find(), edm::DataFrameContainer::find(), hit::id, iEvent, invalidRegion, eostools::move(), edm::Handle< T >::product(), EcalReadoutTools::readOutUnitOf(), recHitsToken_, region_, singleTopDQM_cfi::setup, srFlagsEBInToken_, srFlagsEEInToken_, srFlagsOut_, and ecaldqm::ttId().

stringToRegion()

const HLTRechitsToDigis::ecalRegion HLTRechitsToDigis::stringToRegion ( const std::string &  region )

static

Definition at line 136 of file HLTRechitsToDigis.cc.

                                                                                           {
  if (region == "barrel")
    return barrel;
  else if (region == "endcap")
    return endcap;
  else
    return invalidRegion;
}

References barrel, endcap, invalidRegion, and HLT_FULL_cff::region.

Member Data Documentation

digisEBInToken_

edm::EDGetTokenT<EBDigiCollection> HLTRechitsToDigis::digisEBInToken_

private

Definition at line 59 of file HLTRechitsToDigis.cc.

Referenced by produce().

digisEEInToken_

edm::EDGetTokenT<EEDigiCollection> HLTRechitsToDigis::digisEEInToken_

private

Definition at line 60 of file HLTRechitsToDigis.cc.

Referenced by produce().

digisIn_

edm::InputTag HLTRechitsToDigis::digisIn_

private

Definition at line 69 of file HLTRechitsToDigis.cc.

digisOut_

std::string HLTRechitsToDigis::digisOut_

private

Definition at line 75 of file HLTRechitsToDigis.cc.

Referenced by produce().

ecalReadoutToolsESGetTokens_

const EcalReadoutTools::ESGetTokens HLTRechitsToDigis::ecalReadoutToolsESGetTokens_

private

Definition at line 66 of file HLTRechitsToDigis.cc.

Referenced by produce().

recHits_

edm::InputTag HLTRechitsToDigis::recHits_

private

Definition at line 70 of file HLTRechitsToDigis.cc.

recHitsToken_

edm::EDGetTokenT<EcalRecHitCollection> HLTRechitsToDigis::recHitsToken_

private

Definition at line 61 of file HLTRechitsToDigis.cc.

Referenced by produce().

region_

ecalRegion HLTRechitsToDigis::region_

private

Definition at line 76 of file HLTRechitsToDigis.cc.

Referenced by produce().

srFlagsEBInToken_

edm::EDGetTokenT<EBSrFlagCollection> HLTRechitsToDigis::srFlagsEBInToken_

private

Definition at line 63 of file HLTRechitsToDigis.cc.

Referenced by produce().

srFlagsEEInToken_

edm::EDGetTokenT<EESrFlagCollection> HLTRechitsToDigis::srFlagsEEInToken_

private

Definition at line 64 of file HLTRechitsToDigis.cc.

Referenced by produce().

srFlagsIn_

edm::InputTag HLTRechitsToDigis::srFlagsIn_

private

Definition at line 72 of file HLTRechitsToDigis.cc.

srFlagsOut_

std::string HLTRechitsToDigis::srFlagsOut_

private

Definition at line 78 of file HLTRechitsToDigis.cc.

Referenced by produce().