/data/refman/pasoursint/CMSSW_5_3_10_patch1/src/SimMuon/Neutron/src/RootNeutronReader.cc

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#include "SimMuon/Neutron/src/RootNeutronReader.h"
#include <sstream>

RootNeutronReader::RootNeutronReader(const std::string & fileName)
: theFile(new TFile(fileName.c_str()))
{
}


RootChamberReader & RootNeutronReader::chamberReader(int chamberType)
{
  std::map<int, RootChamberReader>::iterator mapItr
    = theChamberReaders.find(chamberType);

  if(mapItr != theChamberReaders.end())
  {
    return mapItr->second;
  }
  else
  {
    // make a new one
    std::ostringstream treeName;
    treeName << "ChamberType" << chamberType;
    theChamberReaders[chamberType] = RootChamberReader(theFile, treeName.str());
    return theChamberReaders[chamberType];
  }
}


void RootNeutronReader::readNextEvent(int chamberType, edm::PSimHitContainer & result)
{
   chamberReader(chamberType).read(result);
}