/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/RecoLocalCalo/HcalRecProducers/src/ZdcSimpleReconstructor.cc

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#include "ZdcSimpleReconstructor.h"
#include "DataFormats/HcalDigi/interface/HcalDigiCollections.h"
#include "DataFormats/HcalRecHit/interface/HcalRecHitCollections.h"
#include "DataFormats/Common/interface/EDCollection.h"
#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "CalibFormats/HcalObjects/interface/HcalCoderDb.h"
#include "CalibFormats/HcalObjects/interface/HcalCalibrations.h"
#include "CalibFormats/HcalObjects/interface/HcalDbService.h"
#include "CalibFormats/HcalObjects/interface/HcalDbRecord.h"

#include <iostream>

    
ZdcSimpleReconstructor::ZdcSimpleReconstructor(edm::ParameterSet const& conf):
  reco_(conf.getParameter<bool>("correctForTimeslew"),
        conf.getParameter<bool>("correctForPhaseContainment"),conf.getParameter<double>("correctionPhaseNS"),
        conf.getParameter<int>("recoMethod"),
        conf.getParameter<int>("lowGainOffset"),
        conf.getParameter<double>("lowGainFrac")),
  det_(DetId::Hcal),
  inputLabel_(conf.getParameter<edm::InputTag>("digiLabel")),
  dropZSmarkedPassed_(conf.getParameter<bool>("dropZSmarkedPassed"))
{
  std::string subd=conf.getParameter<std::string>("Subdetector");
  if (!strcasecmp(subd.c_str(),"ZDC")) {
    det_=DetId::Calo;
    subdet_=HcalZDCDetId::SubdetectorId;
    produces<ZDCRecHitCollection>();
  } else if (!strcasecmp(subd.c_str(),"CALIB")) {
    subdet_=HcalOther;
    subdetOther_=HcalCalibration;
    produces<HcalCalibRecHitCollection>();
  } else {
    std::cout << "ZdcSimpleReconstructor is not associated with a specific subdetector!" << std::endl;
  }       
  
}

ZdcSimpleReconstructor::~ZdcSimpleReconstructor() {
}
void ZdcSimpleReconstructor::beginRun(edm::Run const&r, edm::EventSetup const & es){

   edm::ESHandle<HcalLongRecoParams> p;
   es.get<HcalLongRecoParamsRcd>().get(p);
   myobject = new HcalLongRecoParams(*p.product());
}

void ZdcSimpleReconstructor::endRun(edm::Run const&r, edm::EventSetup const & es){
  delete myobject; myobject = 0;
}
void ZdcSimpleReconstructor::produce(edm::Event& e, const edm::EventSetup& eventSetup)
{
  // get conditions
  edm::ESHandle<HcalDbService> conditions;
  eventSetup.get<HcalDbRecord>().get(conditions);
  // define vectors to pass noiseTS and signalTS
  std::vector<unsigned int> mySignalTS;
  std::vector<unsigned int> myNoiseTS;
  
  if (det_==DetId::Calo && subdet_==HcalZDCDetId::SubdetectorId) {
    edm::Handle<ZDCDigiCollection> digi;
    e.getByLabel(inputLabel_,digi);
    
    // create empty output
    std::auto_ptr<ZDCRecHitCollection> rec(new ZDCRecHitCollection);
    rec->reserve(digi->size());
    // run the algorithm
    unsigned int toaddMem = 0;
    
    ZDCDigiCollection::const_iterator i;
    for (i=digi->begin(); i!=digi->end(); i++) {
      HcalZDCDetId cell = i->id();        
      DetId detcell=(DetId)cell;
        // rof 27.03.09: drop ZS marked and passed digis:
        if (dropZSmarkedPassed_)
          if (i->zsMarkAndPass()) continue;

// get db values for signalTSs and noiseTSs
      const HcalLongRecoParam* myParams = myobject->getValues(detcell);
      mySignalTS.clear();
      myNoiseTS.clear();
      mySignalTS = myParams->signalTS();
      myNoiseTS = myParams->noiseTS(); 
// warning: the PulseCorrection is not used by ZDC. If it gets a non-contingious set of 
// signal TS, it may not work properly. Assume contiguous here....
        unsigned int toadd = mySignalTS.size();    
        if(toaddMem != toadd) {
          reco_.initPulseCorr(toadd);
          toaddMem = toadd;
        }   
      const HcalCalibrations& calibrations=conditions->getHcalCalibrations(cell);
      const HcalQIECoder* channelCoder = conditions->getHcalCoder (cell);
      const HcalQIEShape* shape = conditions->getHcalShape (channelCoder); 
      HcalCoderDb coder (*channelCoder, *shape);
      rec->push_back(reco_.reconstruct(*i,myNoiseTS,mySignalTS,coder,calibrations));
    }
    // return result
    e.put(rec);     
  }
}