/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/SimCalorimetry/HcalSimAlgos/src/HcalElectronicsSim.cc

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#include "SimCalorimetry/HcalSimAlgos/interface/HcalElectronicsSim.h"
#include "SimCalorimetry/HcalSimAlgos/interface/HcalAmplifier.h"
#include "SimCalorimetry/HcalSimAlgos/interface/HcalCoderFactory.h"
#include "DataFormats/HcalDigi/interface/HBHEDataFrame.h"
#include "DataFormats/HcalDigi/interface/HODataFrame.h"
#include "DataFormats/HcalDigi/interface/HFDataFrame.h"
#include "DataFormats/HcalDigi/interface/ZDCDataFrame.h"
#include "CLHEP/Random/RandFlat.h"



HcalElectronicsSim::HcalElectronicsSim(HcalAmplifier * amplifier, const HcalCoderFactory * coderFactory)
  : theAmplifier(amplifier),
    theCoderFactory(coderFactory),
    theRandFlat(0),
    theStartingCapId(0),
    theStartingCapIdIsRandom(true)
{
}


HcalElectronicsSim::~HcalElectronicsSim()
{
  delete theRandFlat;
}


void HcalElectronicsSim::setRandomEngine(CLHEP::HepRandomEngine & engine)
{
  theRandFlat = new CLHEP::RandFlat(engine);
  theAmplifier->setRandomEngine(engine);
}


template<class Digi> 
void HcalElectronicsSim::convert(CaloSamples & frame, Digi & result) {
  result.setSize(frame.size());
  theAmplifier->amplify(frame);
  theCoderFactory->coder(frame.id())->fC2adc(frame, result, theStartingCapId);
}


void HcalElectronicsSim::analogToDigital(CaloSamples & lf, HBHEDataFrame & result) {
  convert<HBHEDataFrame>(lf, result);
}


void HcalElectronicsSim::analogToDigital(CaloSamples & lf, HODataFrame & result) {
  convert<HODataFrame>(lf, result);
}


void HcalElectronicsSim::analogToDigital(CaloSamples & lf, HFDataFrame & result) {
  convert<HFDataFrame>(lf, result);
}

void HcalElectronicsSim::analogToDigital(CaloSamples & lf, ZDCDataFrame & result) {
  convert<ZDCDataFrame>(lf, result);
}


void HcalElectronicsSim::newEvent() {
  // pick a new starting Capacitor ID
  if(theStartingCapIdIsRandom)
  {
    theStartingCapId = theRandFlat->fireInt(4);
    theAmplifier->setStartingCapId(theStartingCapId);
  }
}


void HcalElectronicsSim::setStartingCapId(int startingCapId)
{
  theStartingCapId = startingCapId;
  theAmplifier->setStartingCapId(theStartingCapId);
  // turns off random capIDs forever for this instance
  theStartingCapIdIsRandom = false;
}