ParticleFlow/interface/PFCandidateSelectorDefinition.h

0001 #ifndef CommonTools_ParticleFlow_PFCandidateSelectorDefinition
0002 #define CommonTools_ParticleFlow_PFCandidateSelectorDefinition
0003
0004 #include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
0005 #include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
0006 #include "boost/iterator/transform_iterator.hpp"
0007
0008 namespace pf2pat {
0009
0010   class PFCandidateSelectorDefinition {
0011   public:
0012     typedef reco::PFCandidateCollection collection;
0013     typedef edm::Handle<collection> HandleToCollection;
0014     typedef std::vector<reco::PFCandidate> container;
0015
0016     struct Pointer {
0017       const reco::PFCandidate* operator()(const reco::PFCandidate& c) const { return &c; }
0018     };
0019
0020     typedef boost::transform_iterator<Pointer, container::const_iterator> const_iterator;
0021
0022     PFCandidateSelectorDefinition() {}
0023
0024     const_iterator begin() const { return const_iterator(selected_.begin()); }
0025
0026     const_iterator end() const { return const_iterator(selected_.end()); }
0027
0028     size_t size() const { return selected_.size(); }
0029
0030     const container& selected() const { return selected_; }
0031
0032   protected:
0033     container selected_;
0034   };
0035 }  // namespace pf2pat
0036
0037 #endif