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// -*- C++ -*-
//
// Package: HCALNoiseAlCaReco
// Class: HCALNoiseAlCaReco
//
/**\class HCALNoiseAlCaReco HCALNoiseAlCaReco.cc
Description: <one line class summary>
Implementation:
<Notes on implementation>
*/
//
// Original Author: Kenneth Case Rossato
// Created: Wed Mar 25 13:05:10 CET 2008
//
//
// modified to PrecalerFHN by Grigory Safronov 27/03/09
// system include files
#include <memory>
// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDFilter.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Common/interface/TriggerNames.h"
#include "DataFormats/Common/interface/TriggerResults.h"
#include "DataFormats/Provenance/interface/ParameterSetID.h"
#include <string>
//
// class declaration
//
using namespace edm;
class PrescalerFHN : public edm::one::EDFilter<> {
public:
explicit PrescalerFHN(const edm::ParameterSet&);
private:
bool filter(edm::Event&, const edm::EventSetup&) override;
// ----------member data ---------------------------
void init(const edm::TriggerResults&, const edm::TriggerNames& triggerNames);
edm::ParameterSetID triggerNamesID_;
edm::EDGetTokenT<TriggerResults> tok_trigger;
std::map<std::string, unsigned int> prescales;
std::map<std::string, unsigned int> prescale_counter;
std::map<std::string, unsigned int> trigger_indices;
};
//
// constants, enums and typedefs
//
//
// static data member definitions
//
//
// constructors and destructor
//
PrescalerFHN::PrescalerFHN(const edm::ParameterSet& iConfig) {
tok_trigger = consumes<TriggerResults>(iConfig.getParameter<edm::InputTag>("TriggerResultsTag"));
//now do what ever initialization is needed
std::vector<edm::ParameterSet> prescales_in(iConfig.getParameter<std::vector<edm::ParameterSet> >("Prescales"));
for (std::vector<edm::ParameterSet>::const_iterator cit = prescales_in.begin(); cit != prescales_in.end(); cit++) {
std::string name(cit->getParameter<std::string>("HLTName"));
unsigned int factor(cit->getParameter<unsigned int>("PrescaleFactor"));
// does some exception get thrown if parameters aren't available? should test...
prescales[name] = factor;
prescale_counter[name] = 0;
}
}
//
// member functions
//
void PrescalerFHN::init(const edm::TriggerResults& result, const edm::TriggerNames& triggerNames) {
trigger_indices.clear();
for (std::map<std::string, unsigned int>::const_iterator cit = prescales.begin(); cit != prescales.end(); cit++) {
auto index = triggerNames.triggerIndex(cit->first);
if (index < result.size()) {
trigger_indices[cit->first] = index;
} else {
// trigger path not found
LogDebug("") << "requested HLT path does not exist: " << cit->first;
}
}
}
// ------------ method called on each new Event ------------
bool PrescalerFHN::filter(edm::Event& iEvent, const edm::EventSetup& iSetup) {
using namespace edm;
/* Goal for this skim:
Prescaling MET HLT paths
Option to turn off HSCP filter
- Doing that by treating it as an HLT with prescale 1
*/
// Trying to mirror HLTrigger/HLTfilters/src/HLTHighLevel.cc where possible
auto const& trh = iEvent.getHandle(tok_trigger);
if (trh.isValid()) {
LogDebug("") << "TriggerResults found, number of HLT paths: " << trh->size();
} else {
LogDebug("") << "TriggerResults product not found - returning result=false!";
return false;
}
const edm::TriggerNames& triggerNames = iEvent.triggerNames(*trh);
if (triggerNamesID_ != triggerNames.parameterSetID()) {
triggerNamesID_ = triggerNames.parameterSetID();
init(*trh, triggerNames);
}
// Trigger indices are ready at this point
// - Begin checking for HLT bits
bool accept_event = false;
for (std::map<std::string, unsigned int>::const_iterator cit = trigger_indices.begin(); cit != trigger_indices.end();
cit++) {
if (trh->accept(cit->second)) {
prescale_counter[cit->first]++;
if (prescale_counter[cit->first] >= prescales[cit->first]) {
accept_event = true;
prescale_counter[cit->first] = 0;
}
}
}
return accept_event;
}
//define this as a plug-in
DEFINE_FWK_MODULE(PrescalerFHN);
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