#include "AliAnalysisTaskSE.h"
#include "AliAnalysisManager.h"
+#include "AliAnalysisCuts.h"
+#include "AliAnalysisDataSlot.h"
+
#include "AliESDEvent.h"
+#include "AliESDfriend.h"
#include "AliESD.h"
#include "AliAODEvent.h"
+#include "AliAODHeader.h"
+#include "AliAODTracklets.h"
+#include "AliAODCaloCells.h"
+#include "AliAODMCParticle.h"
#include "AliVEvent.h"
#include "AliAODHandler.h"
+#include "AliAODInputHandler.h"
#include "AliMCEventHandler.h"
#include "AliInputEventHandler.h"
+#include "AliMultiInputEventHandler.h"
+#include "AliESDInputHandler.h"
#include "AliMCEvent.h"
#include "AliStack.h"
#include "AliLog.h"
+#include "AliAODDimuon.h"
ClassImp(AliAnalysisTaskSE)
////////////////////////////////////////////////////////////////////////
+AliAODHeader* AliAnalysisTaskSE::fgAODHeader = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODTracks = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODVertices = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODV0s = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODPMDClusters = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODJets = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODFMDClusters = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODCaloClusters = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODMCParticles = NULL;
+AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets = NULL;
+AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells = NULL;
+AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells = NULL;
+TClonesArray* AliAnalysisTaskSE::fgAODDimuons = NULL;
AliAnalysisTaskSE::AliAnalysisTaskSE():
AliAnalysisTask(),
fDebug(0),
fEntry(0),
fInputEvent(0x0),
+ fESDfriend(0x0),
fInputHandler(0x0),
fOutputAOD(0x0),
fMCEvent(0x0),
- fTreeA(0x0)
+ fTreeA(0x0),
+ fCurrentRunNumber(-1),
+ fHistosQA(0x0),
+ fOfflineTriggerMask(0),
+ fMultiInputHandler(0),
+ fMCEventHandler(0)
{
// Default constructor
}
fDebug(0),
fEntry(0),
fInputEvent(0x0),
+ fESDfriend(0x0),
fInputHandler(0x0),
fOutputAOD(0x0),
fMCEvent(0x0),
- fTreeA(0x0)
+ fTreeA(0x0),
+ fCurrentRunNumber(-1),
+ fHistosQA(0x0),
+ fOfflineTriggerMask(0),
+ fMultiInputHandler(0),
+ fMCEventHandler(0)
{
// Default constructor
DefineInput (0, TChain::Class());
fDebug(0),
fEntry(0),
fInputEvent(0x0),
+ fESDfriend(0x0),
fInputHandler(0x0),
fOutputAOD(0x0),
fMCEvent(0x0),
- fTreeA(0x0)
+ fTreeA(0x0),
+ fCurrentRunNumber(-1),
+ fHistosQA(0x0),
+ fOfflineTriggerMask(0),
+ fMultiInputHandler(obj.fMultiInputHandler),
+ fMCEventHandler(obj.fMCEventHandler)
{
// Copy constructor
- fDebug = obj.fDebug;
- fEntry = obj.fEntry;
- fInputEvent = obj.fInputEvent;
- fInputHandler = obj.fInputHandler;
- fOutputAOD = obj.fOutputAOD;
- fMCEvent = obj.fMCEvent;
- fTreeA = obj.fTreeA;
+ fDebug = obj.fDebug;
+ fEntry = obj.fEntry;
+ fInputEvent = obj.fInputEvent;
+ fESDfriend = obj.fESDfriend;
+ fInputHandler = obj.fInputHandler;
+ fOutputAOD = obj.fOutputAOD;
+ fMCEvent = obj.fMCEvent;
+ fTreeA = obj.fTreeA;
+ fCurrentRunNumber = obj.fCurrentRunNumber;
+ fHistosQA = obj.fHistosQA;
+
}
{
// Assignment
AliAnalysisTask::operator=(other);
- fDebug = other.fDebug;
- fEntry = other.fEntry;
- fInputEvent = other.fInputEvent;
- fInputHandler = other.fInputHandler;
- fOutputAOD = other.fOutputAOD;
- fMCEvent = other.fMCEvent;
- fTreeA = other.fTreeA;
+ fDebug = other.fDebug;
+ fEntry = other.fEntry;
+ fInputEvent = other.fInputEvent;
+ fESDfriend = other.fESDfriend;
+ fInputHandler = other.fInputHandler;
+ fOutputAOD = other.fOutputAOD;
+ fMCEvent = other.fMCEvent;
+ fTreeA = other.fTreeA;
+ fCurrentRunNumber = other.fCurrentRunNumber;
+ fHistosQA = other.fHistosQA;
+ fOfflineTriggerMask = other.fOfflineTriggerMask;
+ fMultiInputHandler = other.fMultiInputHandler;
+ fMCEventHandler = other.fMCEventHandler;
return *this;
}
{
// Connect the input data
if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
-//
-// ESD
-//
- AliInputEventHandler* fInputHandler = (AliInputEventHandler*)
- ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
+
+ // Connect input handlers (multi input handler is handled)
+ ConnectMultiHandler();
+
if (fInputHandler) {
+ if ((fInputHandler->GetTree())->GetBranch("ESDfriend."))
+ fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
+
fInputEvent = fInputHandler->GetEvent();
+ } else if( fMCEvent ) {
+ AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
} else {
- AliError("No Input Event Handler connected") ;
- return ;
+ AliError("No Input Event Handler connected") ;
+ return ;
}
-//
-// Monte Carlo
-//
- AliMCEventHandler* mcH = 0;
- mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
- if (mcH) fMCEvent = mcH->MCEvent();
+ // Disconnect multi handler
+ DisconnectMultiHandler();
}
void AliAnalysisTaskSE::CreateOutputObjects()
// Default AOD
if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
- AliAODHandler* handler = (AliAODHandler*)
- ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+ AliAODHandler* handler = dynamic_cast<AliAODHandler*>
+ ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+
+ Bool_t merging = kFALSE;
+ AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
+ if (aodIH) {
+ if (aodIH->GetMergeEvents()) merging = kTRUE;
+ }
+
+
+ // Check if AOD replication has been required
- fOutputAOD = handler->GetAOD();
- fTreeA = handler->GetTree();
+ if (handler) {
+ fOutputAOD = handler->GetAOD();
+ fTreeA = handler->GetTree();
+ if (fOutputAOD && !(handler->IsStandard())) {
+ if ((handler->NeedsHeaderReplication()) && !(fgAODHeader))
+ {
+ if (fDebug > 1) AliInfo("Replicating header");
+ fgAODHeader = new AliAODHeader;
+ handler->AddBranch("AliAODHeader", &fgAODHeader);
+ }
+ if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
+ {
+ if (fDebug > 1) AliInfo("Replicating track branch\n");
+ fgAODTracks = new TClonesArray("AliAODTrack",500);
+ fgAODTracks->SetName("tracks");
+ handler->AddBranch("TClonesArray", &fgAODTracks);
+ }
+ if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
+ {
+ if (fDebug > 1) AliInfo("Replicating vertices branch\n");
+ fgAODVertices = new TClonesArray("AliAODVertex",500);
+ fgAODVertices->SetName("vertices");
+ handler->AddBranch("TClonesArray", &fgAODVertices);
+ }
+ if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
+ {
+ if (fDebug > 1) AliInfo("Replicating V0s branch\n");
+ fgAODV0s = new TClonesArray("AliAODv0",500);
+ fgAODV0s->SetName("v0s");
+ handler->AddBranch("TClonesArray", &fgAODV0s);
+ }
+ if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
+ {
+ if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
+ fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
+ handler->AddBranch("AliAODTracklets", &fgAODTracklets);
+ }
+ if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
+ {
+ if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
+ fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
+ fgAODPMDClusters->SetName("pmdClusters");
+ handler->AddBranch("TClonesArray", &fgAODPMDClusters);
+ }
+ if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
+ {
+ if (fDebug > 1) AliInfo("Replicating Jets branch\n");
+ fgAODJets = new TClonesArray("AliAODJet",500);
+ fgAODJets->SetName("jets");
+ handler->AddBranch("TClonesArray", &fgAODJets);
+ }
+ if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
+ {
+ AliInfo("Replicating FMDClusters branch\n");
+ fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
+ fgAODFMDClusters->SetName("fmdClusters");
+ handler->AddBranch("TClonesArray", &fgAODFMDClusters);
+ }
+ if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
+ {
+ if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
+ fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
+ fgAODCaloClusters->SetName("caloClusters");
+ handler->AddBranch("TClonesArray", &fgAODCaloClusters);
+
+ fgAODEmcalCells = new AliAODCaloCells();
+ fgAODEmcalCells->SetName("emcalCells");
+ handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
+
+ fgAODPhosCells = new AliAODCaloCells();
+ fgAODPhosCells->SetName("phosCells");
+ handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
+ }
+ if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
+ {
+ if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
+ fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
+ fgAODMCParticles->SetName("mcparticles");
+ handler->AddBranch("TClonesArray", &fgAODMCParticles);
+ }
+ if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))
+ {
+ if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
+ fgAODDimuons = new TClonesArray("AliAODDimuon",0);
+ fgAODDimuons->SetName("dimuons");
+ handler->AddBranch("TClonesArray", &fgAODDimuons);
+ }
+
+ // cache the pointerd in the AODEvent
+ fOutputAOD->GetStdContent();
+ }
+ }
UserCreateOutputObjects();
}
{
//
// Exec analysis of one event
- fEntry = fInputHandler->GetReadEntry();
+
+ ConnectMultiHandler();
+
+ if ( fDebug >= 10)
+ printf("Task is active %5d\n", IsActive());
+
+ if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
+//
+ AliAODHandler* handler = dynamic_cast<AliAODHandler*>
+ ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+
+ AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
+//
+// Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG)
+ UInt_t isSelected = AliVEvent::kAny;
+ if( fInputHandler && fInputHandler->GetEventSelection()) {
+ // Get the actual offline trigger mask for the event and AND it with the
+ // requested mask. If no mask requested select by default the event.
+ if (fOfflineTriggerMask)
+ isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected();
+ }
+// Functionality below moved in the filter tasks (AG)
+// if (handler) handler->SetFillAOD(isSelected);
+
+ if( fInputHandler ) {
+ fEntry = fInputHandler->GetReadEntry();
+ fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
+ }
+
+
+// Notify the change of run number
+ if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
+ fCurrentRunNumber = InputEvent()->GetRunNumber();
+ NotifyRun();
+ }
+
+ else if( fMCEvent )
+ fEntry = fMCEvent->Header()->GetEvent();
if ( !((Entry()-1)%100) && fDebug > 0)
- AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
+ AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
+
+
+
+
+ if (handler && aodH) {
+ fMCEvent = aodH->MCEvent();
+ Bool_t merging = aodH->GetMergeEvents();
+ AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
+
+ if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
+ if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
+ {
+ // copy the contents by assigment
+ *fgAODHeader = *(aod->GetHeader());
+ }
+ if ((handler->NeedsTracksBranchReplication() || merging) && (fgAODTracks))
+ {
+ TClonesArray* tracks = aod->GetTracks();
+ new (fgAODTracks) TClonesArray(*tracks);
+ }
+ if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
+ {
+ TClonesArray* vertices = aod->GetVertices();
+ new (fgAODVertices) TClonesArray(*vertices);
+ }
+ if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
+ {
+ TClonesArray* v0s = aod->GetV0s();
+ new (fgAODV0s) TClonesArray(*v0s);
+ }
+ if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
+ {
+ *fgAODTracklets = *aod->GetTracklets();
+ }
+ if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
+ {
+ TClonesArray* pmdClusters = aod->GetPmdClusters();
+ new (fgAODPMDClusters) TClonesArray(*pmdClusters);
+ }
+ if ((handler->NeedsJetsBranchReplication() || merging) && (fgAODJets))
+ {
+ TClonesArray* jets = aod->GetJets();
+ new (fgAODJets) TClonesArray(*jets);
+ }
+ if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
+ {
+ TClonesArray* fmdClusters = aod->GetFmdClusters();
+ new (fgAODFMDClusters) TClonesArray(*fmdClusters);
+ }
+ if ((handler->NeedsCaloClustersBranchReplication() || merging) && (fgAODCaloClusters))
+ {
+ TClonesArray* caloClusters = aod->GetCaloClusters();
+ new (fgAODCaloClusters) TClonesArray(*caloClusters);
+ }
+
+ if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
+ {
+ TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
+ new (fgAODMCParticles) TClonesArray(*mcParticles);
+ }
+
+ if ((handler->NeedsDimuonsBranchReplication() || merging) && (fgAODDimuons))
+ {
+ fgAODDimuons->Clear();
+ TClonesArray& dimuons = *fgAODDimuons;
+ TClonesArray& tracksnew = *fgAODTracks;
+
+ Int_t nMuonTrack[100];
+ for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
+ Int_t nMuons=0;
+ for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
+ AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
+ if(track->IsMuonTrack()) {
+ nMuonTrack[nMuons]= ii;
+ nMuons++;
+ }
+ }
+ Int_t jDimuons=0;
+ if(nMuons >= 2){
+ for(Int_t i = 0; i < nMuons; i++){
+ Int_t index0 = nMuonTrack[i];
+ for(Int_t j = i+1; j < nMuons; j++){
+ Int_t index1 = nMuonTrack[j];
+ tracksnew.At(index0)->ResetBit(kIsReferenced);
+ tracksnew.At(index0)->SetUniqueID(0);
+ tracksnew.At(index1)->ResetBit(kIsReferenced);
+ tracksnew.At(index1)->SetUniqueID(0);
+ new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
+ }
+ }
+ }
+ }
+
+ // Additional merging if needed
+ if (merging) {
+ // mcParticles
+ TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
+ Int_t npart = mcparticles->GetEntries();
+ Int_t nc = fgAODMCParticles->GetEntries();
+ Int_t nc0 = nc;
+
+ for (Int_t i = 0; i < npart; i++) {
+ AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
+ new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
+ }
+
+ // tracks
+ TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
+ Int_t ntr = tracks->GetEntries();
+ nc = fgAODTracks->GetEntries();
+ for (Int_t i = 0; i < ntr; i++) {
+ AliAODTrack* track = (AliAODTrack*) tracks->At(i);
+ AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
+ newtrack->SetLabel(newtrack->GetLabel() + nc0);
+ }
+
+ for (Int_t i = 0; i < nc; i++)
+ {
+ AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
+ track->ResetBit(kIsReferenced);
+ track->SetUniqueID(0);
+ }
+
+
+ // clusters
+ TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
+ Int_t ncl = clusters->GetEntries();
+ nc = fgAODCaloClusters->GetEntries();
+ for (Int_t i = 0; i < ncl; i++) {
+ AliAODCaloCluster* cluster = (AliAODCaloCluster*) clusters->At(i);
+ new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
+ }
+ // cells
+ AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
+ Int_t ncells = cellsA->GetNumberOfCells();
+ nc = fgAODEmcalCells->GetNumberOfCells();
+
+ for (Int_t i = 0; i < ncells; i++) {
+ Int_t cn = cellsA->GetCellNumber(i);
+ Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
+ if (pos >= 0) {
+ Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
+ fgAODEmcalCells->SetCell(pos, cn, amp);
+ } else {
+ Double_t amp = cellsA->GetAmplitude(i);
+ fgAODEmcalCells->SetCell(nc++, cn, amp);
+ fgAODEmcalCells->Sort();
+ }
+ }
+
+
+ } // merging
+
+ handler->SetAODIsReplicated();
+ }
+ }
+
// Call the user analysis
- UserExec(option);
+ if (!fMCEventHandler) {
+ if (isSelected)
+ UserExec(option);
+ } else {
+ if (isSelected && (fMCEventHandler->InitOk()))
+ UserExec(option);
+ }
+
+// Added protection in case the derived task is not an AOD producer.
+ AliAnalysisDataSlot *out0 = GetOutputSlot(0);
+ if (out0 && out0->IsConnected()) PostData(0, fTreeA);
+
+ DisconnectMultiHandler();
}
const char* AliAnalysisTaskSE::CurrentFileName()
{
// Returns the current file name
- return fInputHandler->GetTree()->GetCurrentFile()->GetName();
+ if( fInputHandler )
+ return fInputHandler->GetTree()->GetCurrentFile()->GetName();
+ else if( fMCEvent )
+ return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
+ else return "";
}
+void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
+{
+ // Add a new branch to the aod tree
+ AliAODHandler* handler = dynamic_cast<AliAODHandler*>
+ ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+ if (handler) {
+ handler->AddBranch(cname, addobj, fname);
+ }
+}
+
+Bool_t AliAnalysisTaskSE::IsStandardAOD() const
+{
+// Check if the output AOD handler is configured for standard or delta AOD.
+// Users should first check that AODEvent() returns non-null.
+ AliAODHandler* handler = dynamic_cast<AliAODHandler*>
+ ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
+ if (!handler) {
+ Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
+ return kTRUE;
+ }
+ return handler->IsStandard();
+}
+
+Bool_t AliAnalysisTaskSE::Notify()
+{
+ return (UserNotify());
+}
+
+const AliEventTag *AliAnalysisTaskSE::EventTag() const
+{
+// Returns tag for the current event, if any. The return value should always be checked by the user.
+ if (!fInputHandler) {
+ Error("EventTag", "Input handler not yet available. Call this in UserExec");
+ return NULL;
+ }
+ return fInputHandler->GetEventTag();
+}
+
+void AliAnalysisTaskSE::LoadBranches() const
+{
+// Load all branches declared in fBranchNames data member of the parent class.
+// Should be called in UserExec.
+ if (!fInputHandler) {
+ Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
+ return;
+ }
+ AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
+ if (mgr->GetAutoBranchLoading()) return;
+ TString taskbranches;
+ GetBranches(fInputHandler->GetDataType(), taskbranches);
+ if (taskbranches.IsNull()) return;
+ TObjArray *arr = taskbranches.Tokenize(",");
+ TIter next(arr);
+ TObject *obj;
+ while ((obj=next())) mgr->LoadBranch(obj->GetName());
+}
+
+
+//_________________________________________________________________________________________________
+void AliAnalysisTaskSE::ConnectMultiHandler()
+{
+ //
+ // Connect MultiHandler
+ //
+ fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
+ fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
+ if (fMultiInputHandler) {
+ fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
+ fMCEventHandler = dynamic_cast<AliMCEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
+ } else {
+ fMCEventHandler = dynamic_cast<AliMCEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
+ }
+ if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
+}
+
+//_________________________________________________________________________________________________
+void AliAnalysisTaskSE::DisconnectMultiHandler()
+{
+ //
+ // Disconnect MultiHandler
+ //
+ if (fMultiInputHandler) fInputHandler = fMultiInputHandler;
+}