From: agheata <agheata@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Thu, 29 Nov 2012 08:13:02 +0000 (+0000)
Subject: Added versioning metadata to AOD.
X-Git-Url: http://git.uio.no/git/?a=commitdiff_plain;h=dc8931354811b75c95c0d7a997f4ac3b708b630c;p=u%2Fmrichter%2FAliRoot.git

Added versioning metadata to AOD.
---

diff --git a/ANALYSIS/AliAnalysisTaskESDfilter.cxx b/ANALYSIS/AliAnalysisTaskESDfilter.cxx
index 7daeb78e3e1..5a37a9711e5 100644
--- a/ANALYSIS/AliAnalysisTaskESDfilter.cxx
+++ b/ANALYSIS/AliAnalysisTaskESDfilter.cxx
@@ -238,6 +238,39 @@ void AliAnalysisTaskESDfilter::Init()
   // Call configuration file
 }
 
+//______________________________________________________________________________
+Bool_t AliAnalysisTaskESDfilter::Notify()
+{
+// Notify method.
+   AddMetadataToUserInfo();
+   return kTRUE;
+}   
+
+//______________________________________________________________________________
+Bool_t AliAnalysisTaskESDfilter::AddMetadataToUserInfo()
+{
+// Copy metadata to AOD user info.
+  static Bool_t copyFirst = kFALSE;
+  if (!copyFirst) {
+    AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
+    if (!mgr) {
+       AliError("AliAnalysisTaskESDfilter::AddMetadataToUserInfo() : No analysis manager !");
+       return kFALSE;
+    }   
+    TTree *esdTree = mgr->GetTree()->GetTree();
+    if (!esdTree) return kFALSE;
+    TNamed *alirootVersion = (TNamed*)esdTree->GetUserInfo()->FindObject("alirootVersion");
+    if (!alirootVersion) return kFALSE;    
+    AliAODHandler *aodHandler = dynamic_cast<AliAODHandler*>(mgr->GetOutputEventHandler());
+	 if (!aodHandler) return kFALSE;
+    TTree *aodTree = aodHandler->GetTree();
+    if (!aodTree) return kFALSE;
+    aodTree->GetUserInfo()->Add(new TNamed(*alirootVersion));
+    copyFirst = kTRUE;
+  }
+  return kTRUE;
+}
+
 //______________________________________________________________________________
 void AliAnalysisTaskESDfilter::PrintTask(Option_t *option, Int_t indent) const
 {
diff --git a/ANALYSIS/AliAnalysisTaskESDfilter.h b/ANALYSIS/AliAnalysisTaskESDfilter.h
index 4de70a9cc16..ce9eef5a68b 100644
--- a/ANALYSIS/AliAnalysisTaskESDfilter.h
+++ b/ANALYSIS/AliAnalysisTaskESDfilter.h
@@ -32,6 +32,7 @@ class AliAnalysisTaskESDfilter : public AliAnalysisTaskSE
     virtual void   UserCreateOutputObjects();
     virtual void   Init();
     virtual void   LocalInit() {Init();}
+    virtual Bool_t Notify();
     virtual void   UserExec(Option_t *option);
     virtual void   Terminate(Option_t *option);
 
@@ -68,6 +69,7 @@ class AliAnalysisTaskESDfilter : public AliAnalysisTaskSE
     void GetCascadeCuts(Double_t cuts[8]) const {for (Int_t icut = 0; icut<8; icut++) cuts[icut] = fCascadeCuts[icut];}
 
 
+  Bool_t AddMetadataToUserInfo();
   void PrintTask(Option_t *option="all", Int_t indent=0) const;
   
   void DisableVZERO() { fIsVZEROEnabled = kFALSE; }