[Common] TOF: allow non existing CCDB time shift objects (AliceO2Group#10262)

Author: njacazio

Common/Core/PID/PIDTOF.cxx

@@ -43,4 +43,62 @@ void TOFResoParamsV3::setResolutionParametrizationRun2(std::unordered_map<std::s
   }
 }
 
+// Time shift for post calibration to realign as a function of eta
+void TOFResoParamsV3::setTimeShiftParameters(std::unordered_map<std::string, float> const& pars, const bool positive)
+{
+  std::string baseOpt = positive ? "TimeShift.Pos." : "TimeShift.Neg.";
+
+  if (pars.count(baseOpt + "GetN") == 0) { // If the map does not contain the number of eta bins, we assume that no correction has to be applied
+    return;
+  }
+  const int nPoints = static_cast<int>(pars.at(baseOpt + "GetN"));
+  if (nPoints <= 0) {
+    LOG(fatal) << "TOFResoParamsV3 shift: time must be positive";
+  }
+  TGraph graph;
+  for (int i = 0; i < nPoints; ++i) {
+    graph.AddPoint(pars.at(Form("TimeShift.eta%i", i)), pars.at(Form("TimeShift.cor%i", i)));
+  }
+  setTimeShiftParameters(&graph, positive);
+}
+void TOFResoParamsV3::setTimeShiftParameters(std::string const& filename, std::string const& objname, const bool positive)
+{
+  TFile f(filename.c_str(), "READ");
+  if (f.IsOpen()) {
+    if (positive) {
+      f.GetObject(objname.c_str(), gPosEtaTimeCorr);
+    } else {
+      f.GetObject(objname.c_str(), gNegEtaTimeCorr);
+    }
+    f.Close();
+  }
+  LOG(info) << "Set the Time Shift parameters from file " << filename << " and object " << objname << " for " << (positive ? "positive" : "negative");
+}
+void TOFResoParamsV3::setTimeShiftParameters(TGraph* g, const bool positive)
+{
+  if (!g) {
+    LOG(info) << "No Time Shift parameter is passed for " << (positive ? "positive" : "negative");
+    return;
+  }
+  if (positive) {
+    gPosEtaTimeCorr = g;
+  } else {
+    gNegEtaTimeCorr = g;
+  }
+  LOG(info) << "Set the Time Shift parameters from object " << g->GetName() << " " << g->GetTitle() << " for " << (positive ? "positive" : "negative");
+}
+float TOFResoParamsV3::getTimeShift(float eta, int16_t sign) const
+{
+  if (sign > 0) {
+    if (!gPosEtaTimeCorr) {
+      return 0.f;
+    }
+    return gPosEtaTimeCorr->Eval(eta);
+  }
+  if (!gNegEtaTimeCorr) {
+    return 0.f;
+  }
+  return gNegEtaTimeCorr->Eval(eta);
+}
+
 } // namespace o2::pid::tof

Common/Core/PID/PIDTOF.h

@@ -237,58 +237,10 @@ class TOFResoParamsV3 : public o2::tof::Parameters<13>
   }
 
   // Time shift for post calibration to realign as a function of eta
-  void setTimeShiftParameters(std::unordered_map<std::string, float> const& pars, bool positive)
-  {
-    std::string baseOpt = positive ? "TimeShift.Pos." : "TimeShift.Neg.";
-
-    if (pars.count(baseOpt + "GetN") == 0) { // If the map does not contain the number of eta bins, we assume that no correction has to be applied
-      return;
-    }
-    const int nPoints = static_cast<int>(pars.at(baseOpt + "GetN"));
-    if (nPoints <= 0) {
-      LOG(fatal) << "TOFResoParamsV3 shift: time must be positive";
-    }
-    TGraph graph;
-    for (int i = 0; i < nPoints; ++i) {
-      graph.AddPoint(pars.at(Form("TimeShift.eta%i", i)), pars.at(Form("TimeShift.cor%i", i)));
-    }
-    setTimeShiftParameters(&graph, positive);
-  }
-  void setTimeShiftParameters(std::string const& filename, std::string const& objname, bool positive)
-  {
-    TFile f(filename.c_str(), "READ");
-    if (f.IsOpen()) {
-      if (positive) {
-        f.GetObject(objname.c_str(), gPosEtaTimeCorr);
-      } else {
-        f.GetObject(objname.c_str(), gNegEtaTimeCorr);
-      }
-      f.Close();
-    }
-    LOG(info) << "Set the Time Shift parameters from file " << filename << " and object " << objname << " for " << (positive ? "positive" : "negative");
-  }
-  void setTimeShiftParameters(TGraph* g, bool positive)
-  {
-    if (positive) {
-      gPosEtaTimeCorr = g;
-    } else {
-      gNegEtaTimeCorr = g;
-    }
-    LOG(info) << "Set the Time Shift parameters from object " << g->GetName() << " " << g->GetTitle() << " for " << (positive ? "positive" : "negative");
-  }
-  float getTimeShift(float eta, int16_t sign) const
-  {
-    if (sign > 0) {
-      if (!gPosEtaTimeCorr) {
-        return 0.f;
-      }
-      return gPosEtaTimeCorr->Eval(eta);
-    }
-    if (!gNegEtaTimeCorr) {
-      return 0.f;
-    }
-    return gNegEtaTimeCorr->Eval(eta);
-  }
+  void setTimeShiftParameters(std::unordered_map<std::string, float> const& pars, const bool positive);
+  void setTimeShiftParameters(std::string const& filename, std::string const& objname, const bool positive);
+  void setTimeShiftParameters(TGraph* g, const bool positive);
+  float getTimeShift(float eta, int16_t sign) const;
 
   void printTimeShiftParameters() const
   {

Common/TableProducer/PID/pidTOFMerge.cxx

@@ -212,7 +212,9 @@ struct TOFCalibConfig {
         LOG(info) << "Initializing the time shift for " << (isPositive ? "positive" : "negative")
                   << " from ccdb '" << nameShift << "' and timestamp " << mTimestamp
                   << " and pass '" << mReconstructionPass << "'";
+        ccdb->setFatalWhenNull(false);
         mRespParamsV3.setTimeShiftParameters(ccdb->template getSpecific<TGraph>(nameShift, mTimestamp, metadata), isPositive);
+        ccdb->setFatalWhenNull(true);
       }
       LOG(info) << " test getTimeShift at 0 " << (isPositive ? "pos" : "neg") << ": "
                 << mRespParamsV3.getTimeShift(0, isPositive);
@@ -302,7 +304,9 @@ struct TOFCalibConfig {
       LOG(info) << "Updating the time shift for " << (isPositive ? "positive" : "negative")
                 << " from ccdb '" << nameShift << "' and timestamp " << mTimestamp
                 << " and pass '" << mReconstructionPass << "'";
+      ccdb->setFatalWhenNull(false);
       mRespParamsV3.setTimeShiftParameters(ccdb->template getSpecific<TGraph>(nameShift, mTimestamp, metadata), isPositive);
+      ccdb->setFatalWhenNull(true);
       LOG(info) << " test getTimeShift at 0 " << (isPositive ? "pos" : "neg") << ": "
                 << mRespParamsV3.getTimeShift(0, isPositive);
     };