RecoTauPiZeroQualityPlugins.cc

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/*
 * RecoTauPiZeroStringQuality
 *
 * Author: Evan K. Friis, UC Davis
 *
 * RecoTau quality plugin that returns the value given by the supplied string
 * expression.  A string cut can additionally be applied.  The PiZeros
 * that fail the cut will be associated with a default value.
 *
 * $Id $
 *
 */

#include "RecoTauTag/RecoTau/interface/RecoTauPiZeroPlugins.h"
#include "DataFormats/TauReco/interface/RecoTauPiZero.h"

#include "CommonTools/Utils/interface/StringCutObjectSelector.h" 
#include "CommonTools/Utils/interface/StringObjectFunction.h" 

namespace reco { namespace tau {

class RecoTauPiZeroStringQuality : public RecoTauPiZeroQualityPlugin {
  public:
    explicit RecoTauPiZeroStringQuality(const edm::ParameterSet&);
    ~RecoTauPiZeroStringQuality() {}
    double operator()(const RecoTauPiZero&) const;
  private:
    const StringCutObjectSelector<RecoTauPiZero> selector_;
    const StringObjectFunction<RecoTauPiZero> function_;
    double failResult_;
};

RecoTauPiZeroStringQuality::RecoTauPiZeroStringQuality(
    const edm::ParameterSet& pset): RecoTauPiZeroQualityPlugin(pset),
  selector_(pset.getParameter<std::string>("selection")),
  function_(pset.getParameter<std::string>("selectionPassFunction")),
  failResult_(pset.getParameter<double>("selectionFailValue")) {}

double RecoTauPiZeroStringQuality::operator()(const RecoTauPiZero& cand) const{
  if(selector_(cand)) {
    return function_(cand);
  } 
  else {
    return failResult_;
  }
}
}} // end namespace reco::tau

#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_EDM_PLUGIN(RecoTauPiZeroQualityPluginFactory, 
    reco::tau::RecoTauPiZeroStringQuality, 
    "RecoTauPiZeroStringQuality");