Change the way the file incremntation is done. fTree never deleted to be...

Change the way the file incremntation is done. fTree never deleted to be compatible with vamoslib. It is reseted and associated to the new file each file incrementation
Add also a new autosave of the TTree, using a SafeSave mode to be avle to read the file while being written

consumers/TreeBuilder/AGAPRO_TreeBuilder.cpp

@@ -177,14 +177,14 @@ Int_t TreeBuilder::SetInput()
         timestamp = ((AgataKey*)fAgataComposite->GetKey())->GetTimeStamp();
     }
 
-//    cout<<AgataKeyFactory::theFactory()->GetMessage(((AgataKey*)fAgataComposite->GetKey())->GetMessage())<<endl;
+    //    cout<<AgataKeyFactory::theFactory()->GetMessage(((AgataKey*)fAgataComposite->GetKey())->GetMessage())<<endl;
 
-//    for(int i=0 ; i<fAgataComposite->GetNbSubFrame() ; i++)
-//    {
-//        cout<<AgataKeyFactory::theFactory()->GetMessage( ((AgataKey*)fAgataComposite->GetSubKey(i))->GetMessage() )<<" ";
-//    }
+    //    for(int i=0 ; i<fAgataComposite->GetNbSubFrame() ; i++)
+    //    {
+    //        cout<<AgataKeyFactory::theFactory()->GetMessage( ((AgataKey*)fAgataComposite->GetSubKey(i))->GetMessage() )<<" ";
+    //    }
 
-//    cout<<endl;
+    //    cout<<endl;
 
     for(int idet=0 ; idet<fListOfDets.size() ; idet ++) {
         TB_Detector *det = fListOfDets[idet];
@@ -238,6 +238,10 @@ UInt_t TreeBuilder::ProcessBlock(ADF::FrameBlock &inBlock)
 
         nevs++;
         fReadEvts++;
+
+        if(fReadEvts%fAutoSave == 0) {
+            fTree->AutoSave("SaveSelf");
+        }
     }
 
     fFrameIO.Detach(&inBlock, 0x0);
@@ -256,24 +260,29 @@ void TreeBuilder::NewTree()
     if(fFile) {
         fFile->cd();
         fTree->Write();
+        fTree->SetDirectory(nullptr);
         fFile->Close();
     }
 
     TString Name = Form("%s/%s%.4d.root",fSaveDir.data(),fNamePatern.data(),fCurrentFileNumber);
     fFile = new TFile(Name,"recreate");
-
     // default compression level, good compression and processing time
     fFile->SetCompressionLevel();
 
-    fTree = new TTree(fTreeName.data(),fTreeName.data());
-    fTree->SetAutoSave(-50000000); // Auto save all 50MBytes
-
-    fCurrentFileNumber++;
+    if(fTree == nullptr) {
+        fTree = new TTree(fTreeName.data(),fTreeName.data());
 
-    for(int idet=0 ; idet < fListOfDets.size() ; idet++) {
-        fListOfDets[idet]->SetTree(fTree);
-        fListOfDets[idet]->InitTree();
+        for(int idet=0 ; idet < fListOfDets.size() ; idet++) {
+            fListOfDets[idet]->SetTree(fTree);
+            fListOfDets[idet]->InitTree();
+        }
+    }
+    else {
+        fTree->Reset();
+        fTree->SetDirectory(fFile);
     }
+
+    fCurrentFileNumber++;
 }
 
 UInt_t TreeBuilder::GetParameters(const std::string& confFile, Bool_t doList)

consumers/TreeBuilder/AGAPRO_TreeBuilder.h

@@ -57,7 +57,8 @@ protected:
 
 protected:
 
-    static const Long64_t fMaxFileSize = 2*1024*1024*1024LL;
+    static const Long64_t fMaxFileSize = 2*1024*1024*1024LL; //! the output file number is incremented all fMaxFileSize (Here 2GB)
+    static const Long64_t fAutoSave = 1*100*1000; //! the tree is saved all fAutoSave events (Here, 1e5 evts)
 
     string fSaveDir = "";
     string fNamePatern = "";