1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
20 #include <TInterpreter.h>
25 #include "AliAnalysisTaskSE.h"
26 #include "AliAnalysisManager.h"
27 #include "AliAnalysisCuts.h"
28 #include "AliAnalysisDataSlot.h"
29 #include "AliAnalysisDataContainer.h"
31 #include "AliESDEvent.h"
32 #include "AliESDfriend.h"
34 #include "AliAODEvent.h"
35 #include "AliAODHeader.h"
36 #include "AliAODTracklets.h"
37 #include "AliAODCaloCells.h"
38 #include "AliAODMCParticle.h"
39 #include "AliVEvent.h"
40 #include "AliAODHandler.h"
41 #include "AliAODInputHandler.h"
42 #include "AliMCEventHandler.h"
43 #include "AliInputEventHandler.h"
44 #include "AliMultiInputEventHandler.h"
45 #include "AliESDInputHandler.h"
46 #include "AliMCEvent.h"
49 #include "AliAODDimuon.h"
52 ClassImp(AliAnalysisTaskSE)
54 ////////////////////////////////////////////////////////////////////////
55 AliAODHeader* AliAnalysisTaskSE::fgAODHeader = NULL;
56 TClonesArray* AliAnalysisTaskSE::fgAODTracks = NULL;
57 TClonesArray* AliAnalysisTaskSE::fgAODVertices = NULL;
58 TClonesArray* AliAnalysisTaskSE::fgAODV0s = NULL;
59 TClonesArray* AliAnalysisTaskSE::fgAODPMDClusters = NULL;
60 TClonesArray* AliAnalysisTaskSE::fgAODJets = NULL;
61 TClonesArray* AliAnalysisTaskSE::fgAODFMDClusters = NULL;
62 TClonesArray* AliAnalysisTaskSE::fgAODCaloClusters = NULL;
63 TClonesArray* AliAnalysisTaskSE::fgAODMCParticles = NULL;
64 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets = NULL;
65 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells = NULL;
66 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells = NULL;
67 TClonesArray* AliAnalysisTaskSE::fgAODDimuons = NULL;
69 AliAnalysisTaskSE::AliAnalysisTaskSE():
79 fCurrentRunNumber(-1),
81 fOfflineTriggerMask(0),
82 fMultiInputHandler(0),
85 // Default constructor
88 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
89 AliAnalysisTask(name, "AnalysisTaskSE"),
98 fCurrentRunNumber(-1),
100 fOfflineTriggerMask(0),
101 fMultiInputHandler(0),
104 // Default constructor
105 DefineInput (0, TChain::Class());
106 DefineOutput(0, TTree::Class());
109 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
110 AliAnalysisTask(obj),
119 fCurrentRunNumber(-1),
121 fOfflineTriggerMask(0),
122 fMultiInputHandler(obj.fMultiInputHandler),
123 fMCEventHandler(obj.fMCEventHandler)
128 fInputEvent = obj.fInputEvent;
129 fESDfriend = obj.fESDfriend;
130 fInputHandler = obj.fInputHandler;
131 fOutputAOD = obj.fOutputAOD;
132 fMCEvent = obj.fMCEvent;
134 fCurrentRunNumber = obj.fCurrentRunNumber;
135 fHistosQA = obj.fHistosQA;
140 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
143 AliAnalysisTask::operator=(other);
144 fDebug = other.fDebug;
145 fEntry = other.fEntry;
146 fInputEvent = other.fInputEvent;
147 fESDfriend = other.fESDfriend;
148 fInputHandler = other.fInputHandler;
149 fOutputAOD = other.fOutputAOD;
150 fMCEvent = other.fMCEvent;
151 fTreeA = other.fTreeA;
152 fCurrentRunNumber = other.fCurrentRunNumber;
153 fHistosQA = other.fHistosQA;
154 fOfflineTriggerMask = other.fOfflineTriggerMask;
155 fMultiInputHandler = other.fMultiInputHandler;
156 fMCEventHandler = other.fMCEventHandler;
160 //______________________________________________________________________________
161 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
163 // Connect the input data
164 if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
166 // Connect input handlers (multi input handler is handled)
167 ConnectMultiHandler();
170 if ((fInputHandler->GetTree())->GetBranch("ESDfriend."))
171 fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
173 fInputEvent = fInputHandler->GetEvent();
174 } else if( fMCEvent ) {
175 AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
177 AliError("No Input Event Handler connected") ;
180 // Disconnect multi handler
181 DisconnectMultiHandler();
184 void AliAnalysisTaskSE::CreateOutputObjects()
186 // Create the output container
189 if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
191 AliAODHandler* handler = dynamic_cast<AliAODHandler*>
192 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
194 Bool_t merging = kFALSE;
195 AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
197 if (aodIH->GetMergeEvents()) merging = kTRUE;
200 // Check if AOD replication has been required
202 fOutputAOD = handler->GetAOD();
203 fTreeA = handler->GetTree();
204 if (fOutputAOD && !(handler->IsStandard())) {
205 if ((handler->NeedsHeaderReplication() || merging) && !(fgAODHeader))
207 if (fDebug > 1) AliInfo("Replicating header");
208 fgAODHeader = new AliAODHeader;
209 handler->AddBranch("AliAODHeader", &fgAODHeader);
211 if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
213 if (fDebug > 1) AliInfo("Replicating track branch\n");
214 fgAODTracks = new TClonesArray("AliAODTrack",500);
215 fgAODTracks->SetName("tracks");
216 handler->AddBranch("TClonesArray", &fgAODTracks);
218 if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
220 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
221 fgAODVertices = new TClonesArray("AliAODVertex",500);
222 fgAODVertices->SetName("vertices");
223 handler->AddBranch("TClonesArray", &fgAODVertices);
225 if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
227 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
228 fgAODV0s = new TClonesArray("AliAODv0",500);
229 fgAODV0s->SetName("v0s");
230 handler->AddBranch("TClonesArray", &fgAODV0s);
232 if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
234 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
235 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
236 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
238 if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
240 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
241 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
242 fgAODPMDClusters->SetName("pmdClusters");
243 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
245 if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
247 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
248 fgAODJets = new TClonesArray("AliAODJet",500);
249 fgAODJets->SetName("jets");
250 handler->AddBranch("TClonesArray", &fgAODJets);
252 if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
254 AliInfo("Replicating FMDClusters branch\n");
255 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
256 fgAODFMDClusters->SetName("fmdClusters");
257 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
259 if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
261 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
262 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
263 fgAODCaloClusters->SetName("caloClusters");
264 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
266 fgAODEmcalCells = new AliAODCaloCells("emcalCells","emcalCells",AliVCaloCells::kEMCALCell);
267 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
269 fgAODPhosCells = new AliAODCaloCells("phosCells","phosCells",AliVCaloCells::kPHOSCell);
270 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
273 if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
275 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
276 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
277 fgAODMCParticles->SetName("mcparticles");
278 handler->AddBranch("TClonesArray", &fgAODMCParticles);
280 if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))
282 if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
283 fgAODDimuons = new TClonesArray("AliAODDimuon",0);
284 fgAODDimuons->SetName("dimuons");
285 handler->AddBranch("TClonesArray", &fgAODDimuons);
288 // cache the pointerd in the AODEvent
289 fOutputAOD->GetStdContent();
292 ConnectMultiHandler();
293 UserCreateOutputObjects();
294 DisconnectMultiHandler();
297 void AliAnalysisTaskSE::Exec(Option_t* option)
300 // Exec analysis of one event
302 ConnectMultiHandler();
305 printf("Task is active %5d\n", IsActive());
307 if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
309 AliAODHandler* handler = dynamic_cast<AliAODHandler*>
310 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
312 AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
314 // Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG)
315 UInt_t isSelected = AliVEvent::kAny;
316 if( fInputHandler && (fInputHandler->GetEventSelection() || aodH)) {
317 // Get the actual offline trigger mask for the event and AND it with the
318 // requested mask. If no mask requested select by default the event.
319 if (fOfflineTriggerMask)
320 isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected();
322 // Functionality below moved in the filter tasks (AG)
323 // if (handler) handler->SetFillAOD(isSelected);
325 if( fInputHandler ) {
326 fEntry = fInputHandler->GetReadEntry();
327 fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
331 // Notify the change of run number
332 if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
333 fCurrentRunNumber = InputEvent()->GetRunNumber();
338 fEntry = fMCEvent->Header()->GetEvent();
339 if ( !((Entry()-1)%100) && fDebug > 0)
340 AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
345 if (handler && aodH) {
346 fMCEvent = aodH->MCEvent();
347 Bool_t merging = aodH->GetMergeEvents();
349 // Do not analyze merged events if last embedded file has less events than normal event,
350 // skip analysis after last embeded event
352 if(aodH->GetReadEntry() + aodH->GetMergeOffset() >= aodH->GetTreeToMerge()->GetEntriesFast()){
353 //printf("Skip Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
355 // Do I need to add the lines before the return?
356 // Added protection in case the derived task is not an AOD producer.
357 AliAnalysisDataSlot *out0 = GetOutputSlot(0);
358 if (out0 && out0->IsConnected()) PostData(0, fTreeA);
360 DisconnectMultiHandler();
364 //else printf("MERGE Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
367 AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
369 if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
370 if ((handler->NeedsHeaderReplication() || merging) && (fgAODHeader))
372 // copy the contents by assigment
373 *fgAODHeader = *(aod->GetHeader());
375 if ((handler->NeedsTracksBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODTracks))
377 TClonesArray* tracks = aod->GetTracks();
378 new (fgAODTracks) TClonesArray(*tracks);
380 if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
382 TClonesArray* vertices = aod->GetVertices();
383 new (fgAODVertices) TClonesArray(*vertices);
385 if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
387 TClonesArray* v0s = aod->GetV0s();
388 new (fgAODV0s) TClonesArray(*v0s);
390 if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
392 *fgAODTracklets = *aod->GetTracklets();
394 if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
396 TClonesArray* pmdClusters = aod->GetPmdClusters();
397 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
399 if ((handler->NeedsJetsBranchReplication() || (merging &&aodH->GetMergeTracks())) && (fgAODJets))
401 TClonesArray* jets = aod->GetJets();
402 new (fgAODJets) TClonesArray(*jets);
404 if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
406 TClonesArray* fmdClusters = aod->GetFmdClusters();
407 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
409 if ((handler->NeedsCaloClustersBranchReplication() ||
410 (merging && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())))
411 && (fgAODCaloClusters))
413 TClonesArray* caloClusters = aod->GetCaloClusters();
414 new (fgAODCaloClusters) TClonesArray(*caloClusters);
417 if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
419 TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
421 new (fgAODMCParticles) TClonesArray(*mcParticles);
424 if ((handler->NeedsDimuonsBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODDimuons))
426 fgAODDimuons->Clear();
427 TClonesArray& dimuons = *fgAODDimuons;
428 TClonesArray& tracksnew = *fgAODTracks;
430 Int_t nMuonTrack[100];
431 for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
433 for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
434 AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
435 if(track->IsMuonTrack()) {
436 nMuonTrack[nMuons]= ii;
442 for(Int_t i = 0; i < nMuons; i++){
443 Int_t index0 = nMuonTrack[i];
444 for(Int_t j = i+1; j < nMuons; j++){
445 Int_t index1 = nMuonTrack[j];
446 tracksnew.At(index0)->ResetBit(kIsReferenced);
447 tracksnew.At(index0)->SetUniqueID(0);
448 tracksnew.At(index1)->ResetBit(kIsReferenced);
449 tracksnew.At(index1)->SetUniqueID(0);
450 new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
455 // Additional merging if needed
460 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
462 Int_t npart = mcparticles->GetEntries();
463 nc = fgAODMCParticles->GetEntries();
465 for (Int_t i = 0; i < npart; i++) {
466 AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
467 new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
472 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
473 if(tracks && aodH->GetMergeTracks()){
474 Int_t ntr = tracks->GetEntries();
475 nc = fgAODTracks->GetEntries();
476 for (Int_t i = 0; i < ntr; i++) {
477 AliAODTrack* track = (AliAODTrack*) tracks->At(i);
478 AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
479 newtrack->SetLabel(newtrack->GetLabel() + fgAODMCParticles->GetEntries());
482 for (Int_t i = 0; i < nc; i++)
484 AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
485 track->ResetBit(kIsReferenced);
486 track->SetUniqueID(0);
491 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
492 if( clusters && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())) {
493 Int_t ncl = clusters->GetEntries();
494 nc = fgAODCaloClusters->GetEntries();
495 for (Int_t i = 0; i < ncl; i++) {
496 AliAODCaloCluster* cluster = (AliAODCaloCluster*) clusters->At(i);
497 if(cluster->IsEMCAL() && !aodH->GetMergeEMCALClusters() ) continue;
498 if(cluster->IsPHOS() && !aodH->GetMergePHOSClusters() ) continue;
499 new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
504 //*fgAODEmcalCells = *(aod->GetEMCALCells()); // This will be valid after 10.Mar.2011.
505 if(aodH->GetMergeEMCALCells()) {
506 AliAODCaloCells* copycells = aod->GetEMCALCells();
507 fgAODEmcalCells->CreateContainer(copycells->GetNumberOfCells());
508 nc = copycells->GetNumberOfCells();
509 while( nc-- ){ fgAODEmcalCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc)); }
511 AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
513 Int_t ncells = cellsA->GetNumberOfCells();
514 nc = fgAODEmcalCells->GetNumberOfCells();
515 for (Int_t i = 0; i < ncells; i++) {
516 Int_t cn = cellsA->GetCellNumber(i);
517 Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
519 Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
520 fgAODEmcalCells->SetCell(pos, cn, amp);
522 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODEmcalCells);
523 fgAODEmcalCells->CreateContainer(nc+1);
524 Int_t nn = copycells1->GetNumberOfCells();
525 while( nn-- ){ fgAODEmcalCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn)); }
526 fgAODEmcalCells->SetCell(nc++,cn,cellsA->GetAmplitude(i));
530 fgAODEmcalCells->Sort();
532 } // merge emcal cells
536 //*fgAODPhosCells = *(aod->GetPHOSCells()); // This will be valid after 10.Mar.2011.
537 if(aodH->GetMergePHOSCells()) {
538 AliAODCaloCells* copycells = aod->GetPHOSCells();
539 fgAODPhosCells->CreateContainer(copycells->GetNumberOfCells());
540 nc = copycells->GetNumberOfCells();
541 while( nc-- ){ fgAODPhosCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc)); }
542 AliAODCaloCells* cellsP = aodH->GetEventToMerge()->GetPHOSCells();
544 Int_t ncellsP = cellsP->GetNumberOfCells();
545 nc = fgAODPhosCells->GetNumberOfCells();
547 for (Int_t i = 0; i < ncellsP; i++) {
548 Int_t cn = cellsP->GetCellNumber(i);
549 Int_t pos = fgAODPhosCells->GetCellPosition(cn);
551 Double_t amp = cellsP->GetAmplitude(i) + fgAODPhosCells->GetAmplitude(pos);
552 fgAODPhosCells->SetCell(pos, cn, amp);
554 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODPhosCells);
555 fgAODPhosCells->CreateContainer(nc+1);
556 Int_t nn = copycells1->GetNumberOfCells();
557 while( nn-- ){ fgAODPhosCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn)); }
558 fgAODPhosCells->SetCell(nc++,cn,cellsP->GetAmplitude(i));
562 fgAODPhosCells->Sort();
564 } // Merge PHOS Cells
568 handler->SetAODIsReplicated();
573 // Call the user analysis
574 if (!fMCEventHandler) {
578 if (isSelected && (fMCEventHandler->InitOk()))
582 // Added protection in case the derived task is not an AOD producer.
583 AliAnalysisDataSlot *out0 = GetOutputSlot(0);
584 if (out0 && out0->IsConnected()) PostData(0, fTreeA);
586 DisconnectMultiHandler();
589 const char* AliAnalysisTaskSE::CurrentFileName()
591 // Returns the current file name
593 return fInputHandler->GetTree()->GetCurrentFile()->GetName();
595 return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
599 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
601 // Add a new branch to the aod tree
602 AliAODHandler* handler = dynamic_cast<AliAODHandler*>
603 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
605 handler->AddBranch(cname, addobj, fname);
609 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
611 // Check if the output AOD handler is configured for standard or delta AOD.
612 // Users should first check that AODEvent() returns non-null.
613 AliAODHandler* handler = dynamic_cast<AliAODHandler*>
614 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
616 Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
619 return handler->IsStandard();
622 Bool_t AliAnalysisTaskSE::Notify()
624 return (UserNotify());
627 const AliEventTag *AliAnalysisTaskSE::EventTag() const
629 // Returns tag for the current event, if any. The return value should always be checked by the user.
630 if (!fInputHandler) {
631 Error("EventTag", "Input handler not yet available. Call this in UserExec");
634 return fInputHandler->GetEventTag();
637 void AliAnalysisTaskSE::LoadBranches() const
639 // Load all branches declared in fBranchNames data member of the parent class.
640 // Should be called in UserExec.
641 if (!fInputHandler) {
642 Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
645 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
646 if (mgr->GetAutoBranchLoading()) return;
647 TString taskbranches;
648 GetBranches(fInputHandler->GetDataType(), taskbranches);
649 if (taskbranches.IsNull()) return;
650 TObjArray *arr = taskbranches.Tokenize(",");
653 while ((obj=next())) mgr->LoadBranch(obj->GetName());
657 //_________________________________________________________________________________________________
658 void AliAnalysisTaskSE::ConnectMultiHandler()
661 // Connect MultiHandler
663 fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
664 fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
665 if (fMultiInputHandler) {
666 fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
667 fMCEventHandler = dynamic_cast<AliMCEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
669 fMCEventHandler = dynamic_cast<AliMCEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
671 if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
674 //_________________________________________________________________________________________________
675 void AliAnalysisTaskSE::DisconnectMultiHandler()
678 // Disconnect MultiHandler
680 if (fMultiInputHandler) fInputHandler = fMultiInputHandler;