]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - STEER/AliAODHandler.cxx
Do not reset a zero pointer to MC info
[u/mrichter/AliRoot.git] / STEER / AliAODHandler.cxx
index 005ccd1d4ba9345eb6c8ac4e0ef74f51f24c3481..696e9822125ad015c895630a9f77ef07f0fd1c4e 100644 (file)
@@ -52,23 +52,27 @@ AliAODHandler::AliAODHandler() :
     AliVEventHandler(),
     fIsStandard(kTRUE),
     fFillAOD(kTRUE),
+    fFillAODRun(kTRUE),
     fNeedsHeaderReplication(kFALSE),
     fNeedsTracksBranchReplication(kFALSE),
     fNeedsVerticesBranchReplication(kFALSE),
     fNeedsV0sBranchReplication(kFALSE),
+    fNeedsCascadesBranchReplication(kFALSE),
     fNeedsTrackletsBranchReplication(kFALSE),
     fNeedsPMDClustersBranchReplication(kFALSE),
     fNeedsJetsBranchReplication(kFALSE),
     fNeedsFMDClustersBranchReplication(kFALSE),
     fNeedsCaloClustersBranchReplication(kFALSE),
     fNeedsMCParticlesBranchReplication(kFALSE),
+    fNeedsDimuonsBranchReplication(kFALSE),
     fAODIsReplicated(kFALSE),
     fAODEvent(NULL),
     fMCEventH(NULL),
     fTreeA(NULL),
     fFileA(NULL),
     fFileName(""),
-    fExtensions(NULL)
+    fExtensions(NULL),
+    fFilters(NULL)
 {
   // default constructor
 }
@@ -78,38 +82,45 @@ AliAODHandler::AliAODHandler(const char* name, const char* title):
     AliVEventHandler(name, title),
     fIsStandard(kTRUE),
     fFillAOD(kTRUE),
+    fFillAODRun(kTRUE),
     fNeedsHeaderReplication(kFALSE),
     fNeedsTracksBranchReplication(kFALSE),
     fNeedsVerticesBranchReplication(kFALSE),
     fNeedsV0sBranchReplication(kFALSE),
+    fNeedsCascadesBranchReplication(kFALSE),
     fNeedsTrackletsBranchReplication(kFALSE),
     fNeedsPMDClustersBranchReplication(kFALSE),
     fNeedsJetsBranchReplication(kFALSE),
     fNeedsFMDClustersBranchReplication(kFALSE),
     fNeedsCaloClustersBranchReplication(kFALSE),
     fNeedsMCParticlesBranchReplication(kFALSE),
+    fNeedsDimuonsBranchReplication(kFALSE),
     fAODIsReplicated(kFALSE),
     fAODEvent(NULL),
     fMCEventH(NULL),
     fTreeA(NULL),
     fFileA(NULL),
     fFileName(""),
-    fExtensions(NULL)
+    fExtensions(NULL),
+    fFilters(NULL)
 {
+// Normal constructor.
 }
 
 //______________________________________________________________________________
 AliAODHandler::~AliAODHandler() 
 {
  // Destructor.
-  delete fAODEvent;
+  if (fAODEvent) delete fAODEvent;
   if(fFileA){
     // is already handled in TerminateIO
     fFileA->Close();
     delete fFileA;
+    fTreeA = 0;
   }
-  delete fTreeA;
-  if (fExtensions) delete fExtensions;
+  if (fTreeA) delete fTreeA;
+  if (fExtensions) {fExtensions->Delete(); delete fExtensions;}
+  if (fFilters)    {fFilters->Delete();    delete fFilters;}
 }
 
 //______________________________________________________________________________
@@ -118,7 +129,9 @@ Bool_t AliAODHandler::Init(Option_t* opt)
   // Initialize IO
   //
   // Create the AODevent object
-  if(!fAODEvent){
+    
+  Bool_t createStdAOD = fIsStandard || fFillAOD;
+  if(!fAODEvent && createStdAOD){
     fAODEvent = new AliAODEvent();
     if (fIsStandard) fAODEvent->CreateStdContent();
   }
@@ -126,24 +139,34 @@ Bool_t AliAODHandler::Init(Option_t* opt)
   // File opening according to execution mode
   TString option(opt);
   option.ToLower();
-  TDirectory *owd = gDirectory;
-  if (option.Contains("proof")) {
-    // proof
-    // Merging via files. Need to access analysis manager via interpreter.
-    gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fFileName.Data()));
-    gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer()->SetFile((TFile*)0x%lx);", gFile));
-    fFileA = gFile;
-  } else {
-    // local and grid
-    fFileA = new TFile(fFileName.Data(), "RECREATE");
-  }
-  CreateTree(1);
-  owd->cd();
+  if (createStdAOD) {
+    TDirectory *owd = gDirectory;
+    if (option.Contains("proof")) {
+      // proof
+      // Merging via files. Need to access analysis manager via interpreter.
+      gROOT->ProcessLine(Form("AliAnalysisDataContainer *c_common_out = AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer();"));
+      gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(c_common_out, \"RECREATE\");"));
+      fFileA = gFile;
+    } else {
+      // local and grid
+      fFileA = new TFile(fFileName.Data(), "RECREATE");
+    }
+    CreateTree(1);
+    owd->cd();
+  }  
   if (fExtensions) {
      TIter next(fExtensions);
      AliAODExtension *ext;
      while ((ext=(AliAODExtension*)next())) ext->Init(option);
   }   
+  if (fFilters) {
+     TIter nextf(fFilters);
+     AliAODExtension *filteredAOD;
+     while ((filteredAOD=(AliAODExtension*)nextf())) {
+        filteredAOD->SetEvent(fAODEvent);
+        filteredAOD->Init(option);
+     }   
+  }   
   return kTRUE;
 }
 
@@ -167,15 +190,13 @@ void AliAODHandler::StoreMCParticles(){
   // has to passed to the AOD Handler by this task 
   // (doing this in the steering macro would not work on PROOF)
 
+  if (!fAODEvent) return;
   TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName()); 
   if(!mcarray)return;
-  mcarray->Delete();
 
   AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName()); 
   if(!mcHeader)return;
 
-  mcHeader->Reset();
-
   // Get the MC Infos.. Handler needs to be set before 
   // while adding the branch
   // This needs to be done, not to depend on the AnalysisManager
@@ -247,6 +268,7 @@ void AliAODHandler::StoreMCParticles(){
 
          AliAODMCParticle mcpart_tmp(mcpart,i,flag);
          
+         mcpart_tmp.SetStatus(mcpart->Particle()->GetStatusCode());
          // 
          Int_t d0 =  mcpart_tmp.GetDaughter(0);
          Int_t d1 =  mcpart_tmp.GetDaughter(1);
@@ -298,7 +320,7 @@ void AliAODHandler::StoreMCParticles(){
              if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m));
              else AliError(Form("PROBLEM Mother not selected %d \n", m));
          }
-         
+
          new (l[j++]) AliAODMCParticle(mcpart_tmp);
          
       }
@@ -315,17 +337,21 @@ void AliAODHandler::StoreMCParticles(){
     for(int it = 0; it < fAODEvent->GetNTracks();++it){
       AliAODTrack *track = fAODEvent->GetTrack(it);
       
-      Int_t label = TMath::Abs(track->GetLabel());
+      Int_t sign = 1;
+      Int_t label = track->GetLabel();
+      if(label<0){ // preserve the sign for later usage
+       label *= -1;
+       sign  = -1;
+      }
+
       if (label >= AliMCEvent::BgLabelOffset()) label =  mcEvent->BgLabelToIndex(label);
-      
-      
       if(label > np || track->GetLabel() == 0){
        AliWarning(Form("Wrong ESD track label %5d (%5d)",track->GetLabel(), label));
       }
       if(fMCEventH->GetNewLabel(label) == 0){
        AliWarning(Form("New label not found for %5d (%5d)",track->GetLabel(), label));
       }
-      track->SetLabel(fMCEventH->GetNewLabel(label));
+      track->SetLabel(sign*fMCEventH->GetNewLabel(label));
     }
   }
   
@@ -366,21 +392,33 @@ void AliAODHandler::StoreMCParticles(){
 Bool_t AliAODHandler::FinishEvent()
 {
   // Fill data structures
-  if(fFillAOD){
-    fAODEvent->MakeEntriesReferencable();
-    StoreMCParticles();
-    FillTree();
-    if (fExtensions) {
-      TIter next(fExtensions);
-      AliAODExtension *ext;
-      while ((ext=(AliAODExtension*)next())) {
-        ext->GetAOD()->MakeEntriesReferencable();
-        ext->GetTree()->Fill();
-      }  
-    }       
+  if(fFillAOD && fFillAODRun && fAODEvent){
+      fAODEvent->MakeEntriesReferencable();
+      fTreeA->BranchRef();
+      FillTree();
   }
 
+  if (fFillAOD) {      
+      if (fExtensions) {
+         TIter next(fExtensions);
+         AliAODExtension *ext;
+         while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
+      }
+      if (fFilters) {   
+         TIter nextf(fFilters);
+         AliAODExtension *ext;
+         while ((ext=(AliAODExtension*)nextf())) {
+             ext->FinishEvent();
+         }  
+      }       
+  }  
   if (fIsStandard) fAODEvent->ResetStd();
+  TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName()); 
+  if(mcarray) mcarray->Delete();
+
+  AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName()); 
+  if(mcHeader) mcHeader->Reset();
+
   // Reset AOD replication flag
   fAODIsReplicated = kFALSE;
   return kTRUE;
@@ -404,15 +442,23 @@ Bool_t AliAODHandler::TerminateIO()
 {
   // Terminate IO
   if (fFileA) {
+    fFileA->Write();
     fFileA->Close();
     delete fFileA;
     fFileA = 0;
+    // When closing the file, the tree is also deleted.
+    fTreeA = 0;
   }
   if (fExtensions) {
     TIter next(fExtensions);
     AliAODExtension *ext;
     while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
   }  
+  if (fFilters) {
+    TIter nextf(fFilters);
+    AliAODExtension *ext;
+    while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
+  }  
   return kTRUE;
 }
 
@@ -428,15 +474,18 @@ void AliAODHandler::CreateTree(Int_t flag)
 //______________________________________________________________________________
 void AliAODHandler::FillTree()
 {
     // Fill the AOD Tree
-  fTreeA->Fill();
+    fTreeA->Fill();
 }
 
 //______________________________________________________________________________
 void AliAODHandler::AddAODtoTreeUserInfo()
 {
   // Add aod event to tree user info
-  fTreeA->GetUserInfo()->Add(fAODEvent);
+  if (fTreeA) fTreeA->GetUserInfo()->Add(fAODEvent);
+  // Now the tree owns our fAODEvent...
+  fAODEvent = 0;
 }
 
 //______________________________________________________________________________
@@ -467,7 +516,6 @@ void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filen
       
       fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
                     kBufsize, kSplitlevel - 1);
-      //    fTreeA->Branch(obj->GetName(), cname, addobj);
     }
     owd->cd();
 }
@@ -489,6 +537,38 @@ AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *t
    }   
    return ext;
 }
+
+//______________________________________________________________________________
+AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
+{
+// Getter for AOD extensions via file name.
+   if (!fExtensions) return NULL;
+   return (AliAODExtension*)fExtensions->FindObject(filename);
+}   
+
+//______________________________________________________________________________
+AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
+{
+// Add an AOD extension that can write only AOD events that pass a user filter.
+   if (!fFilters) {
+      fFilters = new TObjArray();
+      fFilters->SetOwner();
+   } 
+   AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
+   if (!filter) {
+      filter = new AliAODExtension(filename, filtername, kTRUE);
+      fFilters->Add(filter);
+   }
+   return filter;
+}      
+
+//______________________________________________________________________________
+AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
+{
+// Getter for AOD filters via file name.
+   if (!fFilters) return NULL;
+   return (AliAODExtension*)fFilters->FindObject(filename);
+}   
    
 //______________________________________________________________________________
 void AliAODHandler::SetOutputFileName(const char* fname)
@@ -549,23 +629,45 @@ ClassImp(AliAODExtension)
 //     stored.
 //-------------------------------------------------------------------------
 
+//______________________________________________________________________________
+AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
+                :TNamed(name,title), 
+                 fAODEvent(0), 
+                 fTreeE(0), 
+                 fFileE(0), 
+                 fNtotal(0), 
+                 fNpassed(0),
+                 fSelected(kFALSE)
+{
+// Constructor.
+  if (isfilter) {
+    TObject::SetBit(kFilteredAOD);
+    printf("####### Added AOD filter %s\n", name);
+  } else printf("####### Added AOD extension %s\n", name);
+}   
+
 //______________________________________________________________________________
 AliAODExtension::~AliAODExtension()
 {
 // Destructor.
-  delete fAODEvent;
   if(fFileE){
     // is already handled in TerminateIO
     fFileE->Close();
     delete fFileE;
+    fTreeE = 0;
+    fAODEvent = 0;
   }
-  delete fTreeE;
+  if (fTreeE) delete fTreeE;
 }
 
 //______________________________________________________________________________
 void AliAODExtension::AddBranch(const char* cname, void* addobj)
 {
     // Add a new branch to the aod 
+    if (IsFilteredAOD()) {
+       Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
+       return;
+    }   
     if (!fAODEvent) {
        char type[20];
        gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type));
@@ -586,14 +688,30 @@ void AliAODExtension::AddBranch(const char* cname, void* addobj)
     if (!fTreeE->FindBranch(obj->GetName())) {
       // Do the same as if we book via 
       // TTree::Branch(TCollection*)
-      
       fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
                     kBufsize, kSplitlevel - 1);
-      //    fTreeA->Branch(obj->GetName(), cname, addobj);
     }
     owd->cd();
 }
 
+//______________________________________________________________________________
+Bool_t AliAODExtension::FinishEvent()
+{
+// Fill current event.
+  fNtotal++;
+  if (!IsFilteredAOD()) {
+    fAODEvent->MakeEntriesReferencable();
+    fTreeE->Fill();
+    return kTRUE;
+  }  
+  // Filtered AOD. Fill only if event is selected.
+  if (!fSelected) return kTRUE;
+  fNpassed++;
+  fTreeE->Fill();
+  fSelected = kFALSE; // so that next event will not be selected unless demanded
+  return kTRUE;
+}  
+
 //______________________________________________________________________________
 Bool_t AliAODExtension::Init(Option_t *option)
 {
@@ -612,19 +730,41 @@ Bool_t AliAODExtension::Init(Option_t *option)
   }  
   fTreeE = new TTree("aodTree", "AliAOD tree");
   fTreeE->Branch(fAODEvent->GetList());
+  fTreeE->BranchRef();
   owd->cd();
   return kTRUE;
 }
 
+//______________________________________________________________________________
+void AliAODExtension::SetEvent(AliAODEvent *event)
+{
+// Connects to an external event
+   if (!IsFilteredAOD()) {
+      Error("SetEvent", "Not allowed to set external event for filtered AOD's");   
+      return;
+   }
+   // Use the copy constructor or assignment operator to synchronize with external event.
+//   AliAODEvent &other = *event;
+//   if (!fAODEvent)     fAODEvent = new AliAODEvent(other);
+//   else if (fSelected) *fAODEvent = other;
+   fAODEvent = event;
+}
+   
 //______________________________________________________________________________
 Bool_t AliAODExtension::TerminateIO()
 {
   // Terminate IO
+  if (TObject::TestBit(kFilteredAOD))
+    printf("AOD Filter %s: events processed: %d   passed: %d\n", GetName(), fNtotal, fNpassed);
+  else
+    printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);
   if (fFileE) {
     fFileE->Write();
     fFileE->Close();
     delete fFileE;
     fFileE = 0;
+    fTreeE = 0;
+    fAODEvent = 0;
   }
   return kTRUE;
 }