feat(parbase): Improve logging around FairParSet::init

And re-arrange some if statements

Author: ChristianTackeGSI

fairroot/parbase/FairDetParRootFileIo.cxx

@@ -30,8 +30,9 @@
 #include <TDirectory.h>   // for TDirectory, gDirectory
 #include <TKey.h>         // for TKey
 #include <TROOT.h>        // for TROOT, gROOT
-#include <fmt/core.h>     // for format
-#include <iostream>       // for operator<<, basic_ostream, etc
+#include <fairlogger/Logger.h>
+#include <fmt/core.h>   // for format
+#include <iostream>     // for operator<<, basic_ostream, etc
 
 using std::cout;
 using std::endl;
@@ -62,16 +63,17 @@ Bool_t FairDetParRootFileIo::read(FairParSet* pPar)
     }
 
     TKey* key = gDirectory->GetKey(name, version);
-    if (key) {
-        pPar->clear();
-        key->Read(pPar);
-        pPar->setInputVersion(version, inputNumber);
-        pPar->setChanged();
-        cout << "Container " << pPar->GetName() << " initialized from ROOT file." << endl;
-        return kTRUE;
+    if (!key) {
+        pPar->setInputVersion(-1, inputNumber);
+        return kFALSE;
     }
-    pPar->setInputVersion(-1, inputNumber);
-    return kFALSE;
+
+    pPar->clear();
+    key->Read(pPar);
+    pPar->setInputVersion(version, inputNumber);
+    pPar->setChanged();
+    LOG(info) << "    Container " << pPar->GetName() << " initialized from ROOT file.";
+    return kTRUE;
 }
 
 Int_t FairDetParRootFileIo::write(FairParSet* pPar)

fairroot/parbase/FairParSet.cxx

@@ -1,5 +1,5 @@
 /********************************************************************************
- * Copyright (C) 2014-2023 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH  *
+ * Copyright (C) 2014-2024 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH  *
  *                                                                              *
  *              This software is distributed under the terms of the             *
  *              GNU Lesser General Public Licence (LGPL) version 3,             *
@@ -40,38 +40,39 @@ FairParSet::FairParSet(const char* name, const char* title, const char* context,
     }
 }
 
+bool FairParSet::CallInitIO(FairParIo* io, const char* context)
+{
+    if (!io) {
+        return false;
+    }
+    bool retval = init(io);
+    if (!retval) {
+        LOGP(warn, "{}({})::init(io) failed for {}", ClassName(), GetName(), context);
+    }
+    return retval;
+}
+
 Bool_t FairParSet::init()
 {
     // intitializes the container from an input in run time
     // database. If this is not successful it is initialized from
     // the second input. If this failes too, it returns an error.
     // (calls internally the init function in the derived class)
     FairRuntimeDb* rtdb = FairRuntimeDb::instance();
-    // FairRunAna* fRun =FairRunAna::Instance();
-    // cout << "-I-  FairParSet::init() " << GetName() << endl;
-
-    bool allFound = false;
-    FairParIo* io = 0;
-    if (rtdb) {
-        io = rtdb->getFirstInput();
-        if (io) {
-            allFound = init(io);
-        }
-        if (!allFound) {
-            io = rtdb->getSecondInput();
-            // cout << "-I FairParSet::init() 2 " << io <<  std::endl;
-            if (io) {
-                allFound = init(io);
-            }
-        } else {
-            setInputVersion(-1, 2);
-        }
+    if (!rtdb) {
+        LOG(error) << "FairParSet::init()/" << GetName() << ": No RTDB";
+        return false;
     }
+
+    bool allFound = CallInitIO(rtdb->getFirstInput(), "first input");
     if (allFound) {
-        return kTRUE;
+        setInputVersion(-1, 2);
+        return allFound;
     }
-    LOG(error) << "init() " << GetName() << " not initialized";
-    return kFALSE;
+
+    allFound = CallInitIO(rtdb->getSecondInput(), "second input");
+
+    return allFound;
 }
 
 Int_t FairParSet::write()

fairroot/parbase/FairParSet.h

@@ -92,6 +92,9 @@ class FairParSet : public TObject
     FairParSet& operator=(const FairParSet&);
     FairParSet(const FairParSet&);
 
+  private:
+    bool CallInitIO(FairParIo* io, const char* context);
+
     ClassDefOverride(FairParSet, 2);   // Base class for all parameter containers
 };
 

fairroot/parbase/FairRuntimeDb.cxx

@@ -526,24 +526,35 @@ Bool_t FairRuntimeDb::initContainers()
             secondInput->readVersions(refRun);
         }
     }
-    TIter next(containerList);
-    FairParSet* cont;
-    Bool_t rc = kTRUE;
-    cout << '\n' << "************************************************************* " << '\n';
+    LOG(info) << "*************************************************************";
     if (currentFileName.IsNull()) {
-        cout << "     initialisation for run id " << currentRun->GetName();
+        LOG(info) << "     initialisation for run id " << currentRun->GetName();
     } else {
-        cout << "     initialisation for event file " << currentFileName.Data() << '\n';
-        cout << "     run id " << currentRun->GetName();
+        LOG(info) << "     initialisation for event file " << currentFileName.Data();
+        LOG(info) << "     run id " << currentRun->GetName();
     }
     if (len > 0) {
-        cout << " --> " << refRunName;
+        LOG(info) << " --> " << refRunName;
+    }
+    LOG(info) << "*************************************************************";
+    if (firstInput) {
+        LOG(info) << "First Input:";
+        firstInput->print();
     }
-    cout << '\n' << "************************************************************* " << '\n';
+    if (secondInput) {
+        LOG(info) << "Second Input:";
+        secondInput->print();
+    }
+    bool rc = true;
+    TIter next(containerList);
+    FairParSet* cont;
     while ((cont = static_cast<FairParSet*>(next()))) {
-        cout << "-I- FairRunTimeDB::InitContainer() " << cont->GetName() << endl;
+        LOG(info) << "-I- FairRunTimeDB::initContainers() for " << cont->GetName();
         if (!cont->isStatic()) {
-            rc = cont->init() && rc;
+            if (!cont->init()) {
+                LOGP(error, "{}({})::init(): failed", cont->ClassName(), cont->GetName());
+                rc = false;
+            }
         }
     }
     if (!rc) {