AliPhysics  c7b8e89 (c7b8e89)
AliEmcalDownscaleFactorsOCDB.cxx
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27 #include <iostream>
28 
29 #include <TObjArray.h>
30 
31 #include "AliCDBEntry.h"
32 #include "AliCDBManager.h"
33 #include "AliLog.h"
34 #include "AliTriggerClass.h"
35 #include "AliTriggerConfiguration.h"
36 
38 
42 
43 using namespace PWG::EMCAL;
44 
45 AliEmcalDownscaleFactorsOCDB *AliEmcalDownscaleFactorsOCDB::fgDownscaleFactors = nullptr;
46 
48  fCurrentRun(0),
49  fDownscaleFactors()
50 {
51 }
52 
53 AliEmcalDownscaleFactorsOCDB *AliEmcalDownscaleFactorsOCDB::Instance(){
54  if(!fgDownscaleFactors) {
56  }
57  return fgDownscaleFactors;
58 }
59 
61  if(runnumber == fCurrentRun) return;
62 
63  fCurrentRun = runnumber;
64  fDownscaleFactors.clear();
65  AliInfoStream() << "Loading downscale factors for run " << fCurrentRun << std::endl;
66 
67  AliCDBManager *mgr = AliCDBManager::Instance();
68  AliCDBEntry *trgcdb = mgr->Get("GRP/CTP/Config");
69  AliTriggerConfiguration *trgconf = static_cast<AliTriggerConfiguration *>(trgcdb->GetObject());
70  for(auto e : trgconf->GetClasses()){
71  AliTriggerClass *trgcls = static_cast<AliTriggerClass *>(e);
72  Double_t downscalefactor;
73  trgcls->GetDownscaleFactor(downscalefactor);
74  fDownscaleFactors.insert(std::pair<TString, Double_t>(trgcls->GetName(), downscalefactor));
75  }
76 }
77 
79  double downscale = 1.;
80  std::map<TString, Double_t>::const_iterator found = fDownscaleFactors.find(trigger);
81  if(found != fDownscaleFactors.end()) downscale = found->second;
82  return downscale;
83 }
84 
86  std::vector<TString> triggerclasses;
87  for(const auto &en : fDownscaleFactors) triggerclasses.push_back(en.first);
88  return triggerclasses;
89 }
double Double_t
Definition: External.C:58
Double_t GetDownscaleFactorForTriggerClass(const TString &trigger) const
Namespace for EMCAL framework classes and task.
int Int_t
Definition: External.C:63
Int_t fCurrentRun
Current run number (for which downscale factors are loaded)
static AliEmcalDownscaleFactorsOCDB * fgDownscaleFactors
Singleton object.
Namespace for PWG framework classes.
Handler for downscale factors for various triggers obtained from the OCDB.
std::map< TString, Double_t > fDownscaleFactors
Downscale factors for the various trigger classes for the current run.