/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/RecoLocalCalo/CastorReco/plugins/CastorSimpleReconstructor.cc

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using namespace std;
#include "CastorSimpleReconstructor.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/CastorObjects/interface/CastorCoderDb.h"
#include "CalibFormats/CastorObjects/interface/CastorCalibrations.h"
#include "CalibFormats/CastorObjects/interface/CastorDbService.h"
#include "CalibFormats/CastorObjects/interface/CastorDbRecord.h"
#include "CondFormats/DataRecord/interface/CastorRecoParamsRcd.h"
#include "CondFormats/CastorObjects/interface/CastorRecoParams.h"
#include "CondFormats/CastorObjects/interface/CastorChannelQuality.h"
#include "CondFormats/CastorObjects/interface/CastorChannelStatus.h"
#include "CondFormats/DataRecord/interface/CastorChannelQualityRcd.h"
#include "CondFormats/DataRecord/interface/CastorSaturationCorrsRcd.h"
#include "CondFormats/CastorObjects/interface/CastorSaturationCorrs.h"
#include "RecoLocalCalo/HcalRecAlgos/interface/HcalCaloFlagLabels.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <iostream>


CastorSimpleReconstructor::CastorSimpleReconstructor(edm::ParameterSet const& conf):
reco_(conf.getParameter<int>("firstSample"),conf.getParameter<int>("samplesToAdd"),conf.getParameter<bool>("correctForTimeslew"),
      conf.getParameter<bool>("correctForPhaseContainment"),conf.getParameter<double>("correctionPhaseNS")),
det_(DetId::Hcal),
inputLabel_(conf.getParameter<edm::InputTag>("digiLabel")),
firstSample_(conf.getParameter<int>("firstSample")),
samplesToAdd_(conf.getParameter<int>("samplesToAdd")),
maxADCvalue_(conf.getParameter<int>("maxADCvalue")),
tsFromDB_(conf.getParameter<bool>("tsFromDB")),
setSaturationFlag_(conf.getParameter<bool>("setSaturationFlag")),
doSaturationCorr_(conf.getParameter<bool>("doSaturationCorr"))
{
    std::string subd=conf.getParameter<std::string>("Subdetector");
    if (!strcasecmp(subd.c_str(),"CASTOR")) {
        det_=DetId::Calo;
        subdet_=HcalCastorDetId::SubdetectorId;
        produces<CastorRecHitCollection>();
    } else {
        edm::LogWarning("CastorSimpleReconstructor") << "CastorSimpleReconstructor is not associated with CASTOR subdetector!" << std::endl;
    }       
    
}

CastorSimpleReconstructor::~CastorSimpleReconstructor() {
}

void CastorSimpleReconstructor::produce(edm::Event& e, const edm::EventSetup& eventSetup)
{
    // get conditions
    edm::ESHandle<CastorDbService> conditions;
    eventSetup.get<CastorDbRecord>().get(conditions);
    const CastorQIEShape* shape = conditions->getCastorShape (); // this one is generic
    
    CastorCalibrations calibrations;
    
    // try to get the TS windows from the db
    edm::ESHandle<CastorRecoParams> recoparams;
    if (tsFromDB_) {
        eventSetup.get<CastorRecoParamsRcd>().get(recoparams);
        if (!recoparams.isValid()) { 
                tsFromDB_ = false;
                edm::LogWarning("CastorSimpleReconstructor") << "Could not handle the CastorRecoParamsRcd correctly, using parameters from cfg file from this event onwards... These parameters could be wrong for this run... please check" << std::endl;
        }
    }
    
    // try to get the saturation correction constants from the db
    edm::ESHandle<CastorSaturationCorrs> satcorr;
    if (doSaturationCorr_) {
        eventSetup.get<CastorSaturationCorrsRcd>().get(satcorr);
        if (!satcorr.isValid()) {
            doSaturationCorr_ = false;
            edm::LogWarning("CastorSimpleReconstructor") << "Could not handle the CastorSaturationCorrsRcd correctly. We'll not try the saturation correction from this event onwards..." << std::endl;
        }
    }
    
    
    if (det_==DetId::Calo && subdet_==HcalCastorDetId::SubdetectorId) {
        edm::Handle<CastorDigiCollection> digi;
        e.getByLabel(inputLabel_,digi);
        
        // create empty output
        std::auto_ptr<CastorRecHitCollection> rec(new CastorRecHitCollection);
        // run the algorithm
        CastorDigiCollection::const_iterator i;
        for (i=digi->begin(); i!=digi->end(); i++) {
            HcalCastorDetId cell = i->id();
            DetId detcell=(DetId)cell;    
            const CastorCalibrations& calibrations=conditions->getCastorCalibrations(cell);
            
            if (tsFromDB_) {
                const CastorRecoParam* param_ts = recoparams->getValues(detcell.rawId());
                reco_.resetTimeSamples(param_ts->firstSample(),param_ts->samplesToAdd());
            }          
            const CastorQIECoder* channelCoder = conditions->getCastorCoder (cell);
            CastorCoderDb coder (*channelCoder, *shape);
            
            // reconstruct the rechit
            rec->push_back(reco_.reconstruct(*i,coder,calibrations));
            
            // set the saturation flag if needed
            if (setSaturationFlag_) {
                reco_.checkADCSaturation(rec->back(),*i,maxADCvalue_);
                
                //++++ Saturation Correction +++++
                if (doSaturationCorr_ && rec->back().flagField(HcalCaloFlagLabels::ADCSaturationBit)) {
                    // get saturation correction value
                    const CastorSaturationCorr* saturationCorr = satcorr->getValues(detcell.rawId());
                    double satCorrConst = 1.;
                    satCorrConst = saturationCorr->getValue();
                    reco_.recoverADCSaturation(rec->back(),coder,calibrations,*i,maxADCvalue_,satCorrConst);
                }
            }
        }
        // return result
        e.put(rec);     
    }
}