MuonDDDConstants.cc

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#include "Geometry/MuonNumbering/interface/MuonDDDConstants.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"

#include "DetectorDescription/Core/interface/DDValue.h"
#include "DetectorDescription/Core/interface/DDFilteredView.h"


//#define LOCAL_DEBUG

MuonDDDConstants::MuonDDDConstants( const DDCompactView& cpv ) {
#ifdef LOCAL_DEBUG
  std::cout << "MuonDDDConstants;:MuonDDDConstants ( const DDCompactView& cpv ) constructor " << std::endl;
#endif
  std::string attribute = "OnlyForMuonNumbering"; 
  
  DDSpecificsHasNamedValueFilter filter(attribute);
  DDFilteredView fview(cpv,filter);
  
  DDValue val2("level");
  const DDsvalues_type params(fview.mergedSpecifics());
  
  fview.firstChild();
  
  const DDsvalues_type mySpecs (fview.mergedSpecifics());
#ifdef LOCAL_DEBUG
  std::cout << "mySpecs.size() = " << mySpecs.size() << std::endl;
#endif
  if ( mySpecs.size() < 25 ) {
    edm::LogError("MuonDDDConstants") << " MuonDDDConstants: Missing SpecPars from DetectorDescription." << std::endl;
    std::string msg = "MuonDDDConstants does not have the appropriate number of SpecPars associated";
    msg+= " with the part //MUON.";
    throw cms::Exception("GeometryBuildFailure", msg);
  }

  DDsvalues_type::const_iterator bit = mySpecs.begin();
  DDsvalues_type::const_iterator eit = mySpecs.end();
  for ( ; bit != eit; ++bit ) {
    if ( bit->second.isEvaluated() ) {
      this->addValue( bit->second.name(), int(bit->second.doubles()[0]) );
#ifdef LOCAL_DEBUG
      std::cout << "adding DDConstant of " << bit->second.name() << " = " << int(bit->second.doubles()[0]) << std::endl;
#endif
    }
  }  
}

int MuonDDDConstants::getValue( const std::string& name ) const {
#ifdef LOCAL_DEBUG
  std::cout << "about to look for ... " << name << std::endl;
#endif
  if ( namesAndValues_.empty() ) {
    std::cout << "MuonDDDConstants::getValue HAS NO VALUES!" << std::endl;
    throw cms::Exception("GeometryBuildFailure", "MuonDDDConstants does not have requested value for " + name);
  }

  std::map<std::string, int>::const_iterator findIt = namesAndValues_.find(name);

  if ( findIt == namesAndValues_.end() ) {
    std::cout << "MuonDDDConstants::getValue was asked for " << name << " and had NO clue!" << std::endl;
    throw cms::Exception("GeometryBuildFailure", "MuonDDDConstants does not have requested value for " + name);
  }
#ifdef LOCAL_DEBUG
  std::cout << "Value for " << name << " is " << findIt->second << std::endl;
#endif
  return findIt->second;
}

void MuonDDDConstants::addValue(const std::string& name, const int& value) {
  namesAndValues_[name] = value;
}