// Author: Andreas Morsch, CERN
//-------------------------------------------------------------------------
+#include <TSystem.h>
#include <TTree.h>
#include <TList.h>
#include <TNamed.h>
+#include <TFile.h>
+#include <TH2.h>
#include "AliAODInputHandler.h"
#include "AliAODEvent.h"
+#include "AliVCuts.h"
+#include "AliMCEvent.h"
+#include "AliAODpidUtil.h"
ClassImp(AliAODInputHandler)
+static Option_t *gAODDataType = "AOD";
+
//______________________________________________________________________________
AliAODInputHandler::AliAODInputHandler() :
AliInputEventHandler(),
fEvent(0),
- fFriends(new TList())
+ fMCEvent(new AliMCEvent()),
+ fFriends(new TList()),
+ fAODpidUtil(0x0),
+ fMergeEvents(kFALSE),
+ fFriendsConnected(kFALSE),
+ fFileToMerge(0),
+ fTreeToMerge(0),
+ fAODEventToMerge(0),
+ fMergeOffset(0)
{
// Default constructor
+ fHistStatistics[0] = fHistStatistics[1] = NULL;
}
//______________________________________________________________________________
AliAODInputHandler::AliAODInputHandler(const char* name, const char* title):
AliInputEventHandler(name, title),
fEvent(0),
- fFriends(new TList())
+ fMCEvent(new AliMCEvent()),
+ fFriends(new TList()),
+ fAODpidUtil(0x0),
+ fMergeEvents(kFALSE),
+ fFriendsConnected(kFALSE),
+ fFileToMerge(0),
+ fTreeToMerge(0),
+ fAODEventToMerge(0),
+ fMergeOffset(0)
{
// Constructor
+ fHistStatistics[0] = fHistStatistics[1] = NULL;
}
//______________________________________________________________________________
AliAODInputHandler::~AliAODInputHandler()
{
// Destructor
- fFriends->Delete();
+ fFriends->Delete();
+ if (fHistStatistics[0]) {
+ delete fHistStatistics[0];
+ fHistStatistics[0] = 0;
+ }
+ if (fHistStatistics[1]) {
+ delete fHistStatistics[1];
+ fHistStatistics[1] = 0;
+ }
+ delete fAODpidUtil;
}
-
-Bool_t AliAODInputHandler::Init(TTree* tree, Option_t* /*opt*/)
+//______________________________________________________________________________
+Bool_t AliAODInputHandler::Init(TTree* tree, Option_t* opt)
{
// Initialisation necessary for each new tree
fTree = tree;
- TIter next(fFriends);
- TNamed* obj;
- while(obj = (TNamed*)next()) {
- fTree->AddFriend("aodTree", obj->GetName());
- }
-
if (!fTree) return kFALSE;
- // Get pointer to AOD event
- if (fEvent) {
- delete fEvent;
- fEvent = 0;
- }
- fEvent = new AliAODEvent();
+ fTree->GetEntries();
+ ConnectFriends();
+ SwitchOffBranches();
+ SwitchOnBranches();
+
+ // Get pointer to AOD event
+ if (!fEvent) fEvent = new AliAODEvent();
+
fEvent->ReadFromTree(fTree);
+
+ if (fMixingHandler) fMixingHandler->Init(tree, opt);
+
return kTRUE;
}
+//______________________________________________________________________________
+Bool_t AliAODInputHandler::BeginEvent(Long64_t entry)
+{
+ // Begin event
+ TClonesArray* mcParticles = (TClonesArray*) (fEvent->FindListObject("mcparticles"));
+ if (mcParticles) fMCEvent->SetParticleArray(mcParticles);
+ if (fTreeToMerge) fTreeToMerge->GetEntry(entry + fMergeOffset);
+
+ fIsSelectedResult = fEvent->GetHeader()->GetOfflineTrigger();
+
+ if (fMixingHandler) fMixingHandler->BeginEvent(entry);
+
+ return kTRUE;
+}
+
+//______________________________________________________________________________
+Bool_t AliAODInputHandler::Notify(const char* path)
+{
+ // Notifaction of directory change
+ if (fMixingHandler) fMixingHandler->Notify(path);
+ if (!fFriendsConnected) {
+ ConnectFriends();
+ fEvent->ReadFromTree(fTree, "reconnect");
+ }
+ fFriendsConnected = kFALSE;
+
+ TTree *ttree = fTree->GetTree();
+ if (!ttree) ttree = fTree;
+ TString statFname(ttree->GetCurrentFile()->GetName());
+ Int_t indarchive = statFname.Index("#");
+ if (indarchive<0) {
+ statFname = gSystem->DirName(statFname);
+ statFname += "/";
+ } else {
+ statFname.Remove(indarchive+1);
+ }
+ statFname += "EventStat_temp.root";
+ TFile *statFile = 0;
+ if (IsCheckStatistics()) statFile = TFile::Open(statFname, "READ");
+ if (statFile) {
+ TList *list = (TList*)statFile->Get("cstatsout");
+ if (list) {
+ AliVCuts *physSel = (AliVCuts*)list->At(0);
+ if (physSel) {
+ TH2F *hAll = dynamic_cast<TH2F*>(physSel->GetStatistics("ALL"));
+ TH2F *hBin0 = dynamic_cast<TH2F*>(physSel->GetStatistics("BIN0"));
+ if (fHistStatistics[0] && hAll) {
+ TList tmplist;
+ tmplist.Add(hAll);
+ fHistStatistics[0]->Merge(&tmplist);
+ tmplist.Clear();
+ tmplist.Add(hBin0);
+ if (fHistStatistics[1] && hBin0) fHistStatistics[1]->Merge(&tmplist);
+ } else {
+ if (hAll && hBin0) {
+ fHistStatistics[0] = static_cast<TH2F*>(hAll->Clone());
+ fHistStatistics[1] = static_cast<TH2F*>(hBin0->Clone());
+ fHistStatistics[0]->SetDirectory(0);
+ fHistStatistics[1]->SetDirectory(0);
+ }
+ }
+ }
+ delete list;
+ }
+ delete statFile;
+ }
+ return kTRUE;
+}
+
+//______________________________________________________________________________
+Bool_t AliAODInputHandler::FinishEvent()
+{
+ // Finish event
+ if (fMixingHandler) fMixingHandler->FinishEvent();
+ return kTRUE;
+}
+
+//______________________________________________________________________________
void AliAODInputHandler::AddFriend(char* filename)
{
// Add a friend tree
TNamed* obj = new TNamed(filename, filename);
fFriends->Add(obj);
}
+
+//______________________________________________________________________________
+Option_t *AliAODInputHandler::GetDataType() const
+{
+// Returns handled data type.
+ return gAODDataType;
+}
+
+//______________________________________________________________________________
+TObject *AliAODInputHandler::GetStatistics(Option_t *option) const
+{
+// Get the statistics histogram(s) from the physics selection object. This
+// should be called during FinishTaskOutput(). Option can be empty (default
+// statistics histogram) or BIN0.
+ TString opt(option);
+ opt.ToUpper();
+ if (opt=="BIN0") return fHistStatistics[1];
+ return fHistStatistics[0];
+}
+
+void AliAODInputHandler::ConnectFriends()
+{
+ // Connect the friend trees
+ if (!fMergeEvents) {
+ TIter next(fFriends);
+ TNamed* obj;
+ TString aodTreeFName,aodFriendTreeFName;
+ TTree *ttree = fTree->GetTree();
+ if (!ttree) ttree = fTree;
+ aodTreeFName = ttree->GetCurrentFile()->GetName();
+
+ while((obj = (TNamed*)next())) {
+ aodFriendTreeFName = aodTreeFName;
+ aodFriendTreeFName.ReplaceAll("AliAOD.root",obj->GetName());
+ aodFriendTreeFName.ReplaceAll("AliAODs.root",obj->GetName());
+ ttree->AddFriend("aodTree", aodFriendTreeFName.Data());
+ }
+ } else {
+ // Friends have to be merged
+ TNamed* filename = (TNamed*) (fFriends->At(0));
+ fFileToMerge = new TFile(filename->GetName());
+ if (fFileToMerge) {
+ fFileToMerge->GetObject("aodTree", fTreeToMerge);
+ if (!fAODEventToMerge) fAODEventToMerge = new AliAODEvent();
+ fAODEventToMerge->ReadFromTree(fTreeToMerge);
+ }
+ }
+ fFriendsConnected = kTRUE;
+}
+
+//______________________________________________________________________________
+void AliAODInputHandler::CreatePIDResponse(Bool_t isMC/*=kFALSE*/)
+{
+ //
+ // create the pid response object if it does not exist yet
+ //
+ if (fAODpidUtil) return;
+ fAODpidUtil=new AliAODpidUtil(isMC);
+
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff