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[PWGHF] Added safety checks before using ccdb efficiency objects #15653

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Merged
apalasciano merged 2 commits into from
Apr 5, 2026
+25 −13
Merged

[PWGHF] Added safety checks before using ccdb efficiency objects #15653

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2c03ee4
resolving conflict in rebasing
deependra170598 Mar 31, 2026
1173ad3
adding safety checks before fetching ccdb efficiency object
deependra170598 Apr 5, 2026
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38 changes: 25 additions & 13 deletions PWGHF/HFC/Tasks/taskCorrelationDstarHadrons.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -118,8 +118,8 @@ struct HfTaskCorrelationDstarHadrons {
HistogramRegistry registry{"registry", {}, OutputObjHandlingPolicy::AnalysisObject, true, true};

o2::ccdb::CcdbApi ccdbApi;
std::vector<TH1F*> vecHistEfficiencyDstar;
std::vector<TH1D*> vecHistEfficiencyTracks;
std::vector<TH1*> vecHistEfficiencyDstar;
std::vector<TH1*> vecHistEfficiencyTracks;

void init(InitContext&)
{
Expand Down Expand Up @@ -166,12 +166,12 @@ struct HfTaskCorrelationDstarHadrons {
vecHistEfficiencyTracks.resize(nEfficiencyHist);

for (int iHist = 0; iHist < nEfficiencyHist; iHist++) {
vecHistEfficiencyDstar[iHist] = dynamic_cast<TH1F*>(efficiencyDstarRootFile->Get(Form("hEfficiencyDstar_%d", iHist)));
vecHistEfficiencyDstar[iHist] = dynamic_cast<TH1*>(efficiencyDstarRootFile->Get(Form("hEfficiencyDstar_%d", iHist)));
if (!vecHistEfficiencyDstar[iHist]) {
LOGF(fatal, "Failed to retrieve Dstar efficiency histogram hEfficiencyDstar_%d from file", iHist);
}

vecHistEfficiencyTracks[iHist] = dynamic_cast<TH1D*>(efficiencyTracksRootFile->Get(Form("hEfficiencyTracks_%d", iHist)));
vecHistEfficiencyTracks[iHist] = dynamic_cast<TH1*>(efficiencyTracksRootFile->Get(Form("hEfficiencyTracks_%d", iHist)));
if (!vecHistEfficiencyTracks[iHist]) {
LOGF(fatal, "Failed to retrieve track efficiency histogram hEfficiencyTracks_%d from file", iHist);
}
Expand Down Expand Up @@ -212,19 +212,31 @@ struct HfTaskCorrelationDstarHadrons {
// if (ptTrack > 10.0) {
// ptTrack = 10.5;
// }
float netEfficiencyWeight = 1.0;
float netEfficiencyWeight = 1.0, efficiencyWeightDstar = 1.0, efficiencyWeightTracks = 1.0;

if (applyEfficiency && !useCcdbEfficiency) {
float const efficiencyWeightDstar = efficiencyDstar->at(effBinPtDstar);
// LOG(info)<<"efficiencyWeightDstar "<<efficiencyWeightDstar;
float const efficiencyWeightTracks = efficiencyTracks->at(effBinPtTrack);
// LOG(info)<<"efficiencyWeightTracks "<<efficiencyWeightTracks;
efficiencyWeightDstar = efficiencyDstar->at(effBinPtDstar);
efficiencyWeightTracks = efficiencyTracks->at(effBinPtTrack);
netEfficiencyWeight = 1.0 / (efficiencyWeightDstar * efficiencyWeightTracks);
} else if (applyEfficiency && useCcdbEfficiency && nEfficiencyHist == 1) {
float const efficiencyWeightDstar = vecHistEfficiencyDstar[0]->GetBinContent(vecHistEfficiencyDstar[0]->GetXaxis()->FindBin(ptDstar));
// LOG(info)<<"efficiencyWeightDstar "<<efficiencyWeightDstar;
float const efficiencyWeightTracks = vecHistEfficiencyTracks[0]->GetBinContent(vecHistEfficiencyTracks[0]->GetXaxis()->FindBin(ptTrack));
// LOG(info)<<"efficiencyWeightTracks "<<efficiencyWeightTracks;
float const ptEffLowEdgeDstar = vecHistEfficiencyDstar[0]->GetXaxis()->GetBinLowEdge(1);
if (ptDstar <= ptEffLowEdgeDstar) { // pT of current dstar candidate is lower than the lower edge of the pT axis
efficiencyWeightDstar = vecHistEfficiencyDstar[0]->GetBinContent(1);
} else {
efficiencyWeightDstar = vecHistEfficiencyDstar[0]->GetBinContent(vecHistEfficiencyDstar[0]->GetXaxis()->FindBin(ptDstar));
if (!efficiencyWeightDstar) {
LOGF(fatal, "Dstar efficiency weight can't be zero.");
}
}
float const ptEffLowEdgeTrack = vecHistEfficiencyTracks[0]->GetBinLowEdge(1);
if (ptTrack <= ptEffLowEdgeTrack) { // pT of current track is lower than the lower edge of the pT axis
efficiencyWeightTracks = vecHistEfficiencyTracks[0]->GetBinContent(1);
} else {
efficiencyWeightTracks = vecHistEfficiencyTracks[0]->GetBinContent(vecHistEfficiencyTracks[0]->GetXaxis()->FindBin(ptTrack));
if (!efficiencyWeightTracks) {
LOGF(fatal, "track efficiency weight can't be zero");
}
}
netEfficiencyWeight = 1.0 / (efficiencyWeightDstar * efficiencyWeightTracks);
} else if (applyEfficiency && useCcdbEfficiency && nEfficiencyHist > 1) {
// to do
Expand Down
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