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/*
* See header file for a description of this class.
*
* \author Paolo Ronchese INFN Padova
*
*/
//-----------------------
// This Class' Header --
//-----------------------
#include "HeavyFlavorAnalysis/SpecificDecay/interface/BPHDecayToV0Builder.h"
//-------------------------------
// Collaborating Class Headers --
//-------------------------------
#include "HeavyFlavorAnalysis/SpecificDecay/interface/BPHDecayGenericBuilderBase.h"
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHRecoBuilder.h"
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHPlusMinusCandidate.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/Candidate/interface/VertexCompositeCandidate.h"
//---------------
// C++ Headers --
//---------------
#include <cmath>
using namespace std;
//-------------------
// Initializations --
//-------------------
//----------------
// Constructors --
//----------------
BPHDecayToV0Builder::BPHDecayToV0Builder(const BPHEventSetupWrapper& es,
const string& d1Name,
const string& d2Name,
const BPHRecoBuilder::BPHGenericCollection* d1Collection,
const BPHRecoBuilder::BPHGenericCollection* d2Collection)
: BPHDecayGenericBuilderBase(es),
p1Name(d1Name),
p2Name(d2Name),
p1Collection(d1Collection),
p2Collection(d2Collection),
vCollection(nullptr),
rCollection(nullptr),
sList("") {}
BPHDecayToV0Builder::BPHDecayToV0Builder(const BPHEventSetupWrapper& es,
const string& d1Name,
const string& d2Name,
const vector<reco::VertexCompositeCandidate>* v0Collection,
const string& searchList)
: BPHDecayGenericBuilderBase(es),
p1Name(d1Name),
p2Name(d2Name),
p1Collection(nullptr),
p2Collection(nullptr),
vCollection(v0Collection),
rCollection(nullptr),
sList(searchList) {}
BPHDecayToV0Builder::BPHDecayToV0Builder(const BPHEventSetupWrapper& es,
const string& d1Name,
const string& d2Name,
const vector<reco::VertexCompositePtrCandidate>* vpCollection,
const string& searchList)
: BPHDecayGenericBuilderBase(es),
p1Name(d1Name),
p2Name(d2Name),
p1Collection(nullptr),
p2Collection(nullptr),
vCollection(nullptr),
rCollection(vpCollection),
sList(searchList) {}
//--------------
// Destructor --
//--------------
BPHDecayToV0Builder::~BPHDecayToV0Builder() { v0Clear(); }
//--------------
// Operations --
//--------------
void BPHDecayToV0Builder::fillRecList() {
v0Clear();
if ((p1Collection != nullptr) && (p2Collection != nullptr))
buildFromBPHGenericCollection();
else if (vCollection != nullptr)
buildFromV0(vCollection, VertexCompositeCandidate);
else if (rCollection != nullptr)
buildFromV0(rCollection, VertexCompositePtrCandidate);
return;
}
template <class T>
void BPHDecayToV0Builder::buildFromV0(const T* v0Collection, v0Type type) {
int iv0;
int nv0 = v0Collection->size();
recList.reserve(nv0);
// cycle over V0 collection
for (iv0 = 0; iv0 < nv0; ++iv0) {
const typename T::value_type& v0 = v0Collection->at(iv0);
// every reco::VertexCompositeCandidate must have exactly two daughters
if (v0.numberOfDaughters() != 2)
continue;
const reco::Candidate* dr = v0.daughter(0);
const reco::Candidate* dl = v0.daughter(1);
// filters
BPHPlusMinusCandidatePtr cand = buildCandidate(dr, dl, &v0, type);
if (cand.get() == nullptr)
continue;
BPHPlusMinusCandidate* cptr = cand.get();
if (cand->daughters().size() != 2)
continue;
if (!massSel->accept(*cand))
continue;
if ((chi2Sel != nullptr) && (!chi2Sel->accept(*cand)))
continue;
recList.push_back(cand);
V0Info* info = new V0Info;
info->type = type;
info->v0 = &v0;
v0Map[cptr] = info;
}
return;
}
void BPHDecayToV0Builder::v0Clear() {
map<const BPHRecoCandidate*, const V0Info*>::iterator iter = v0Map.begin();
map<const BPHRecoCandidate*, const V0Info*>::iterator iend = v0Map.end();
while (iter != iend)
delete iter++->second;
return;
}
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