CandAlgos/plugins/LargestPtCandViewSelector.cc

0001 /* \class LargestPtCandViewSelector
0002  *
0003  * Keep a fixed number of largest pt candidates.
0004  * The input collection is read as View<Candidate>.
0005  * Saves a collection of references to selected objects.
0006  * Usage:
0007  *
0008  *
0009  *  module McPartonRefs = LargestPtCandViewSelector {
0010  *      InputTag src     = myCollection
0011  *      uint32 maxNumber = 3
0012  * }
0013  *
0014  * \author: Loic Quertenmont, UCL
0015  *
0016  */
0017
0018 #include "FWCore/Framework/interface/MakerMacros.h"
0019 #include "CommonTools/UtilAlgos/interface/ObjectSelector.h"
0020 #include "CommonTools/UtilAlgos/interface/SortCollectionSelector.h"
0021 #include "CommonTools/Utils/interface/PtComparator.h"
0022 #include "DataFormats/Candidate/interface/Candidate.h"
0023
0024 typedef ObjectSelector<SortCollectionSelector<reco::CandidateView, GreaterByPt<reco::Candidate> > >
0025     LargestPtCandViewSelector;
0026
0027 DEFINE_FWK_MODULE(LargestPtCandViewSelector);