Refactoring code to pull common functionality for loading CDB configuration entries...

[u/mrichter/AliRoot.git] / HLT / MUON / OnlineAnalysis / AliHLTMUONDecisionComponent.cxx

diff --git a/HLT/MUON/OnlineAnalysis/AliHLTMUONDecisionComponent.cxx b/HLT/MUON/OnlineAnalysis/AliHLTMUONDecisionComponent.cxx
index aee12a43e38d8085cb099260dc7cd0612a649131..a9ee2717a8cda18416b319cc987fc2bb5bb7b98a 100644 (file)
--- a/HLT/MUON/OnlineAnalysis/AliHLTMUONDecisionComponent.cxx
+++ b/HLT/MUON/OnlineAnalysis/AliHLTMUONDecisionComponent.cxx
@@ -162,6 +162,13 @@ int AliHLTMUONDecisionComponent::DoInit(int argc, const char** argv)
        {
                if (strcmp( argv[i], "-lowptcut" ) == 0)
                {
+                       if (lowPtCutSet)
+                       {
+                               HLTWarning("Low pT cut parameter was already specified."
+                                       " Will replace previous value given by -lowptcut."
+                               );
+                       }
+                       
                        if (argc <= i+1)
                        {
                                HLTError("The value for the low pT cut was not specified.");
@@ -184,6 +191,13 @@ int AliHLTMUONDecisionComponent::DoInit(int argc, const char** argv)
                
                if (strcmp( argv[i], "-highptcut" ) == 0)
                {
+                       if (lowPtCutSet)
+                       {
+                               HLTWarning("High pT cut parameter was already specified."
+                                       " Will replace previous value given by -highptcut."
+                               );
+                       }
+                       
                        if (argc <= i+1)
                        {
                                HLTError("The value for the high pT cut was not specified.");
@@ -206,6 +220,13 @@ int AliHLTMUONDecisionComponent::DoInit(int argc, const char** argv)
                
                if (strcmp( argv[i], "-lowmasscut" ) == 0)
                {
+                       if (lowPtCutSet)
+                       {
+                               HLTWarning("Low invariant mass cut parameter was already specified."
+                                       " Will replace previous value given by -lowmasscut."
+                               );
+                       }
+                       
                        if (argc <= i+1)
                        {
                                HLTError("The value for the low invariant mass cut was not specified.");
@@ -228,6 +249,13 @@ int AliHLTMUONDecisionComponent::DoInit(int argc, const char** argv)
                
                if (strcmp( argv[i], "-highmasscut" ) == 0)
                {
+                       if (lowPtCutSet)
+                       {
+                               HLTWarning("High invariant mass cut parameter was already specified."
+                                       " Will replace previous value given by -highmasscut."
+                               );
+                       }
+                       
                        if (argc <= i+1)
                        {
                                HLTError("The value for the high invariant mass cut was not specified.");
@@ -472,6 +500,7 @@ int AliHLTMUONDecisionComponent::ReadConfigFromCDB(
        )
 {
        /// Reads the cut parameters from the CDB.
+       /// \param path Indicates the partial (or relative) path to the CDB entry.
        
        assert(AliCDBManager::Instance() != NULL);
        
@@ -479,151 +508,40 @@ int AliHLTMUONDecisionComponent::ReadConfigFromCDB(
        if (path != NULL)
                pathToEntry = path;
        
-       AliCDBEntry* entry = AliCDBManager::Instance()->Get(pathToEntry);
-       if (entry == NULL)
-       {
-               HLTError("Could not get the CDB entry for \"%s\".", pathToEntry);
-               return -EIO;
-       }
-       
-       TObject* obj = entry->GetObject();
-       if (obj == NULL)
-       {
-               HLTError("Configuration object for \"%s\" is missing.", pathToEntry);
-               return -ENOENT;
-       }
-       
-       if (obj->IsA() != TMap::Class())
-       {
-               HLTError("Wrong type for configuration object in \"%s\". Found a %s but we need a TMap.",
-                       pathToEntry, obj->ClassName()
-               );
-               return -EPROTO;
-       }
-       TMap* map = dynamic_cast<TMap*>(obj);
+       TMap* map = NULL;
+       int result = FetchTMapFromCDB(pathToEntry, map);
+       if (result != 0) return result;
        
        if (setLowPtCut)
        {
-               TPair* pair = static_cast<TPair*>(map->FindObject("lowptcut"));
-               if (pair == NULL)
-               {
-                       HLTError("Configuration object for \"%s\" does not contain the low pT cut value.",
-                               pathToEntry
-                       );
-                       return -ENOENT;
-               }
-               TObject* valueObj = pair->Value();
-               if (valueObj->IsA() != TObjString::Class())
-               {
-                       HLTError("The low pT cut parameter found in configuration object \"%s\""
-                               " is not a TObjString. Found an object of type %s instead.",
-                               pathToEntry, valueObj->ClassName()
-                       );
-                       return -EPROTO;
-               }
-               TString value = dynamic_cast<TObjString*>(valueObj)->GetString();
-               if (not value.IsFloat())
-               {
-                       HLTError("The low pT cut parameter found in configuration object \"%s\""
-                               "is not a floating point string; found \"%s\".",
-                               pathToEntry, value.Data()
-                       );
-                       return -EPROTO;
-               }
-               fLowPtCut = (AliHLTFloat32_t) value.Atof();
+               Double_t value = 0;
+               result = GetFloatFromTMap(map, "lowptcut", value, pathToEntry, "low pT cut");
+               if (result != 0) return result;
+               fLowPtCut = (AliHLTFloat32_t) value;
        }
        
        if (setHighPtCut)
        {
-               TPair* pair = static_cast<TPair*>(map->FindObject("highptcut"));
-               if (pair == NULL)
-               {
-                       HLTError("Configuration object for \"%s\" does not contain the high pT cut value.",
-                               pathToEntry
-                       );
-                       return -ENOENT;
-               }
-               TObject* valueObj = pair->Value();
-               if (valueObj->IsA() != TObjString::Class())
-               {
-                       HLTError("The high pT cut parameter found in configuration object \"%s\""
-                               " is not a TObjString. Found an object of type %s instead.",
-                               pathToEntry, valueObj->ClassName()
-                       );
-                       return -EPROTO;
-               }
-               TString value = dynamic_cast<TObjString*>(valueObj)->GetString();
-               if (not value.IsFloat())
-               {
-                       HLTError("The high pT cut parameter found in configuration object \"%s\""
-                               "is not a floating point string; found \"%s\".",
-                               pathToEntry, value.Data()
-                       );
-                       return -EPROTO;
-               }
-               fHighPtCut = (AliHLTFloat32_t) value.Atof();
+               Double_t value = 0;
+               result = GetFloatFromTMap(map, "highptcut", value, pathToEntry, "high pT cut");
+               if (result != 0) return result;
+               fHighPtCut = (AliHLTFloat32_t) value;
        }
        
        if (setLowMassCut)
        {
-               TPair* pair = static_cast<TPair*>(map->FindObject("lowmasscut"));
-               if (pair == NULL)
-               {
-                       HLTError("Configuration object for \"%s\" does not contain the low invariant mass cut value.",
-                               pathToEntry
-                       );
-                       return -ENOENT;
-               }
-               TObject* valueObj = pair->Value();
-               if (valueObj->IsA() != TObjString::Class())
-               {
-                       HLTError("The low invariant mass cut parameter found in configuration object \"%s\""
-                               " is not a TObjString. Found an object of type %s instead.",
-                               pathToEntry, valueObj->ClassName()
-                       );
-                       return -EPROTO;
-               }
-               TString value = dynamic_cast<TObjString*>(valueObj)->GetString();
-               if (not value.IsFloat())
-               {
-                       HLTError("The low invariant mass cut parameter found in configuration object \"%s\""
-                               "is not a floating point string; found \"%s\".",
-                               pathToEntry, value.Data()
-                       );
-                       return -EPROTO;
-               }
-               fLowMassCut = (AliHLTFloat32_t) value.Atof();
+               Double_t value = 0;
+               result = GetFloatFromTMap(map, "lowmasscut", value, pathToEntry, "low invariant mass cut");
+               if (result != 0) return result;
+               fLowMassCut = (AliHLTFloat32_t) value;
        }
        
        if (setHighMassCut)
        {
-               TPair* pair = static_cast<TPair*>(map->FindObject("highmasscut"));
-               if (pair == NULL)
-               {
-                       HLTError("Configuration object for \"%s\" does not contain the high invariant mass cut value.",
-                               pathToEntry
-                       );
-                       return -ENOENT;
-               }
-               TObject* valueObj = pair->Value();
-               if (valueObj->IsA() != TObjString::Class())
-               {
-                       HLTError("The high invariant mass cut parameter found in configuration object \"%s\""
-                               " is not a TObjString. Found an object of type %s instead.",
-                               pathToEntry, valueObj->ClassName()
-                       );
-                       return -EPROTO;
-               }
-               TString value = dynamic_cast<TObjString*>(valueObj)->GetString();
-               if (not value.IsFloat())
-               {
-                       HLTError("The high invariant mass cut parameter found in configuration object \"%s\""
-                               "is not a floating point string; found \"%s\".",
-                               pathToEntry, value.Data()
-                       );
-                       return -EPROTO;
-               }
-               fHighMassCut = (AliHLTFloat32_t) value.Atof();
+               Double_t value = 0;
+               result = GetFloatFromTMap(map, "highmasscut", value, pathToEntry, "high invariant mass cut");
+               if (result != 0) return result;
+               fHighMassCut = (AliHLTFloat32_t) value;
        }
        
        return 0;