/data/refman/pasoursint/CMSSW_4_1_8_patch12/src/DPGAnalysis/Skims/src/ECALActivity.cc

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// -*- C++ -*-
//
// Package:   ECALActivity
// Class:     ECALActivity
//
//
// Original Author:  Luca Malgeri

#include <memory>
#include <vector>
#include <map>
#include <set>

// user include files
#include "DPGAnalysis/Skims/interface/ECALActivity.h"

#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDFilter.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHit.h"
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "DataFormats/EcalDetId/interface/EEDetId.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"

using namespace edm;
using namespace std;

ECALActivity::ECALActivity(const edm::ParameterSet& iConfig)
{
  EBRecHitCollection_ = iConfig.getParameter<edm::InputTag>("ebrechitcollection");
  EERecHitCollection_ = iConfig.getParameter<edm::InputTag>("ebrechitcollection");

  EBnum=iConfig.getUntrackedParameter<int>("EBnum");
  EBthresh=iConfig.getUntrackedParameter<double>("EBthresh");
  EEnum=iConfig.getUntrackedParameter<int>("EEnum");
  EEthresh=iConfig.getUntrackedParameter<double>("EEthresh");
  ETOTnum=iConfig.getUntrackedParameter<int>("ETOTnum");
  ETOTthresh=iConfig.getUntrackedParameter<double>("ETOTthresh");
  applyfilter = iConfig.getUntrackedParameter<bool>("applyfilter",true);
}

ECALActivity::~ECALActivity()
{
}

bool ECALActivity::filter( edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  bool accepted = false;
  bool eb= false;
  bool ee= false;
  bool etot= false;

  //int ievt = iEvent.id().event();
  //int irun = iEvent.id().run();
  //int ils = iEvent.luminosityBlock();

  int  ebabovethresh=0;
  int  eeabovethresh=0;
  int  etotabovethresh=0;


  Handle< EBRecHitCollection > pEBRecHits;
  Handle< EERecHitCollection > pEERecHits;
 
  const EBRecHitCollection*  EBRecHits = 0;
  const EERecHitCollection*  EERecHits = 0; 
  
  if ( EBRecHitCollection_.label() != "" && EBRecHitCollection_.instance() != "" ) 
    {
      iEvent.getByLabel( EBRecHitCollection_, pEBRecHits);
      if ( pEBRecHits.isValid() ) 
        {
          EBRecHits = pEBRecHits.product(); // get a ptr to the product
        } 
      else 
        {
          edm::LogError("EcalRecHitError") << "Error! can't get the product " << EBRecHitCollection_.label() ;
        }
    }

  if ( EERecHitCollection_.label() != "" && EERecHitCollection_.instance() != "" ) 
    {
      iEvent.getByLabel( EERecHitCollection_, pEERecHits);
      
      if ( pEERecHits.isValid() ) 
        {
          EERecHits = pEERecHits.product(); // get a ptr to the product
        } 
      else 
        {
          edm::LogError("EcalRecHitError") << "Error! can't get the product " << EERecHitCollection_.label() ;
      }
    }


  // now loop over them
  if (EBRecHits) 
    {
      for(EBRecHitCollection::const_iterator it  = EBRecHits->begin(); it != EBRecHits->end(); ++it) 
        {
          if (it->energy()>EBthresh) ebabovethresh++;
          if (it->energy()>ETOTthresh) etotabovethresh++;
        }
    }
  if (EERecHits) 
    {
      for(EERecHitCollection::const_iterator it  = EERecHits->begin(); it != EERecHits->end(); ++it) 
        {
          if (it->energy()>EEthresh) eeabovethresh++;
          if (it->energy()>ETOTthresh) etotabovethresh++;
        }
    }

  if(ebabovethresh>=EBnum) eb=true;
  if(eeabovethresh>=EEnum) ee=true;
  if(etotabovethresh>=ETOTnum) etot=true;

  accepted = eb|ee|etot;
  
  if (applyfilter)
    return accepted;
  else
    return true;

}

//define this as a plug-in
DEFINE_FWK_MODULE(ECALActivity);