1 /**************************************************************************
2 * Copyright(c) 1998-2007, 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 **************************************************************************/
18 //-------------------------------------------------------------------------
20 // Author: Markus Oldenburg, CERN
21 //-------------------------------------------------------------------------
26 #include <TFriendElement.h>
27 #include <TProcessID.h>
28 #include <TCollection.h>
29 #include "Riostream.h"
30 #include "AliAODEvent.h"
31 #include "AliAODHeader.h"
32 #include "AliAODTrack.h"
33 #include "AliAODDimuon.h"
37 // definition of std AOD member names
38 const char* AliAODEvent::fAODListName[kAODListN] = {"header",
53 //______________________________________________________________________________
54 AliAODEvent::AliAODEvent() :
56 fAODObjects(new TList()),
73 // default constructor
76 //______________________________________________________________________________
77 AliAODEvent::AliAODEvent(const AliAODEvent& aod):
79 fAODObjects(new TList()),
80 fAODFolder(new TFolder()),
82 fHeader(new AliAODHeader(*aod.fHeader)),
83 fTracks(new TClonesArray(*aod.fTracks)),
84 fVertices(new TClonesArray(*aod.fVertices)),
85 fV0s(new TClonesArray(*aod.fV0s)),
86 fCascades(new TClonesArray(*aod.fCascades)),
87 fTracklets(new AliAODTracklets(*aod.fTracklets)),
88 fJets(new TClonesArray(*aod.fJets)),
89 fEmcalCells(new AliAODCaloCells(*aod.fEmcalCells)),
90 fPhosCells(new AliAODCaloCells(*aod.fPhosCells)),
91 fCaloClusters(new TClonesArray(*aod.fCaloClusters)),
92 fFmdClusters(new TClonesArray(*aod.fFmdClusters)),
93 fPmdClusters(new TClonesArray(*aod.fPmdClusters)),
94 fDimuons(new TClonesArray(*aod.fDimuons))
101 AddObject(fCascades);
102 AddObject(fTracklets);
104 AddObject(fEmcalCells);
105 AddObject(fPhosCells);
106 AddObject(fCaloClusters);
107 AddObject(fFmdClusters);
108 AddObject(fPmdClusters);
110 fConnected = aod.fConnected;
115 //______________________________________________________________________________
116 AliAODEvent & AliAODEvent::operator=(const AliAODEvent& aod) {
118 // Assignment operator
120 if(&aod == this) return *this;
121 AliVEvent::operator=(aod);
123 // This assumes that the list is already created
124 // and that the virtual void Copy(Tobject&) function
125 // is correctly implemented in the derived class
126 // otherwise only TObject::Copy() will be used
128 if((fAODObjects->GetSize()==0)&&(aod.fAODObjects->GetSize()>=kAODListN)){
129 // We cover the case that we do not yet have the
130 // standard content but the source has it
134 // Here we have the standard content without user additions, but the content is
135 // not matching the aod source.
137 // Iterate the list of source objects
138 TIter next(aod.GetList());
141 while ((its = next())) {
142 name = its->GetName();
143 // Check if we have this object type in out list
144 TObject *mine = fAODObjects->FindObject(name);
146 // We have to create the same type of object.
147 TClass* pClass=TClass::GetClass(its->ClassName());
149 AliWarning(Form("Can not find class description for entry %s (%s)\n",
150 its->ClassName(), name.Data()));
153 mine=(TObject*)pClass->New();
155 // not in this: can be added to list
156 AliWarning(Form("%s:%d Could not find %s for copying \n",
157 (char*)__FILE__,__LINE__,name.Data()));
160 if(mine->InheritsFrom("TNamed")) {
161 ((TNamed*)mine)->SetName(name);
162 } else if(mine->InheritsFrom("TCollection")){
163 if(mine->InheritsFrom("TClonesArray")) {
164 TClonesArray *itscl = dynamic_cast<TClonesArray*>(its);
166 AliWarning(Form("Class description for entry %s (%s) not TClonesArray\n",
167 its->ClassName(), name.Data()));
171 dynamic_cast<TClonesArray*>(mine)->SetClass(itscl->GetClass(), itscl->GetSize());
173 dynamic_cast<TCollection*>(mine)->SetName(name);
175 AliDebug(1, Form("adding object %s of type %s", mine->GetName(), mine->ClassName()));
178 // Now we have an object of the same type and name, but different content.
179 if(!its->InheritsFrom("TCollection")){
180 // simple objects (do they have a Copy method that calls operator= ?)
182 } else if (its->InheritsFrom("TClonesArray")) {
183 // Create or expand the tclonesarray pointers
184 // so we can directly copy to the object
185 TClonesArray *its_tca = (TClonesArray*)its;
186 TClonesArray *mine_tca = (TClonesArray*)mine;
187 // this leaves the capacity of the TClonesArray the same
188 // except for a factor of 2 increase when size > capacity
189 // does not release any memory occupied by the tca
190 Int_t its_entries = its_tca->GetEntriesFast();
191 mine_tca->ExpandCreate(its_entries);
192 for(int i=0; i<its_entries; i++){
194 TObject *mine_tca_obj = mine_tca->At(i);
195 TObject *its_tca_obj = its_tca->At(i);
196 // no need to delete first
197 // pointers within the class should be handled by Copy()...
198 // Can there be Empty slots?
199 its_tca_obj->Copy(*mine_tca_obj);
202 AliWarning(Form("%s:%d cannot copy TCollection \n",
203 (char*)__FILE__,__LINE__));
206 fConnected = aod.fConnected;
211 //______________________________________________________________________________
212 AliAODEvent::~AliAODEvent()
215 if(fAODObjects&&!fConnected)
224 //______________________________________________________________________________
225 void AliAODEvent::AddObject(TObject* obj)
227 // Add an object to the list of objects.
228 // Please be aware that in order to increase performance you should
229 // refrain from using TObjArrays (if possible). Use TClonesArrays, instead.
231 fAODObjects->AddLast(obj);
234 //______________________________________________________________________________
235 void AliAODEvent::RemoveObject(TObject* obj)
237 // Removes an object from the list of objects.
239 fAODObjects->Remove(obj);
242 //______________________________________________________________________________
243 TObject *AliAODEvent::FindListObject(const char *objName)
245 // Return the pointer to the object with the given name.
247 return fAODObjects->FindObject(objName);
250 //______________________________________________________________________________
251 void AliAODEvent::CreateStdContent()
253 // create the standard AOD content and set pointers
255 // create standard objects and add them to the TList of objects
256 AddObject(new AliAODHeader());
257 AddObject(new TClonesArray("AliAODTrack", 0));
258 AddObject(new TClonesArray("AliAODVertex", 0));
259 AddObject(new TClonesArray("AliAODv0", 0));
260 AddObject(new TClonesArray("AliAODcascade", 0));
261 AddObject(new AliAODTracklets());
262 AddObject(new TClonesArray("AliAODJet", 0));
263 AddObject(new AliAODCaloCells());
264 AddObject(new AliAODCaloCells());
265 AddObject(new TClonesArray("AliAODCaloCluster", 0));
266 AddObject(new TClonesArray("AliAODFmdCluster", 0));
267 AddObject(new TClonesArray("AliAODPmdCluster", 0));
268 AddObject(new TClonesArray("AliAODDimuon", 0));
272 // read back pointers
278 void AliAODEvent::MakeEntriesReferencable()
280 // Make all entries referencable in a subsequent process
282 TIter next(fAODObjects);
284 while ((obj = next()))
286 if(obj->InheritsFrom("TCollection"))
288 AssignIDtoCollection((TCollection*)obj);
293 //______________________________________________________________________________
294 void AliAODEvent::SetStdNames()
296 // introduce the standard naming
298 if(fAODObjects->GetEntries()==kAODListN){
299 for(int i = 0;i < fAODObjects->GetEntries();i++){
300 TObject *fObj = fAODObjects->At(i);
301 if(fObj->InheritsFrom("TNamed")){
302 ((TNamed*)fObj)->SetName(fAODListName[i]);
304 else if(fObj->InheritsFrom("TClonesArray")){
305 ((TClonesArray*)fObj)->SetName(fAODListName[i]);
310 printf("%s:%d SetStdNames() Wrong number of Std Entries \n",(char*)__FILE__,__LINE__);
314 void AliAODEvent::CreateStdFolders()
316 // Create the standard folder structure
317 fAODFolder = gROOT->GetRootFolder()->AddFolder("AOD", "AOD");
318 if(fAODObjects->GetEntries()==kAODListN){
319 for(int i = 0;i < fAODObjects->GetEntries();i++){
320 TObject *fObj = fAODObjects->At(i);
321 if(fObj->InheritsFrom("TClonesArray")){
322 fAODFolder->AddFolder(fAODListName[i], fAODListName[i], (TCollection*) fObj);
324 fAODFolder->AddFolder(fAODListName[i], fAODListName[i], 0);
329 printf("%s:%d CreateStdFolders() Wrong number of Std Entries \n",(char*)__FILE__,__LINE__);
333 //______________________________________________________________________________
334 void AliAODEvent::GetStdContent()
336 // set pointers for standard content
338 fHeader = (AliAODHeader*)fAODObjects->FindObject("header");
339 fTracks = (TClonesArray*)fAODObjects->FindObject("tracks");
340 fVertices = (TClonesArray*)fAODObjects->FindObject("vertices");
341 fV0s = (TClonesArray*)fAODObjects->FindObject("v0s");
342 fCascades = (TClonesArray*)fAODObjects->FindObject("cascades");
343 fTracklets = (AliAODTracklets*)fAODObjects->FindObject("tracklets");
344 fJets = (TClonesArray*)fAODObjects->FindObject("jets");
345 fEmcalCells = (AliAODCaloCells*)fAODObjects->FindObject("emcalCells");
346 fPhosCells = (AliAODCaloCells*)fAODObjects->FindObject("phosCells");
347 fCaloClusters = (TClonesArray*)fAODObjects->FindObject("caloClusters");
348 fFmdClusters = (TClonesArray*)fAODObjects->FindObject("fmdClusters");
349 fPmdClusters = (TClonesArray*)fAODObjects->FindObject("pmdClusters");
350 fDimuons = (TClonesArray*)fAODObjects->FindObject("dimuons");
353 //______________________________________________________________________________
354 void AliAODEvent::ResetStd(Int_t trkArrSize,
357 Int_t cascadeArrSize,
365 // deletes content of standard arrays and resets size
368 if (trkArrSize > fTracks->GetSize())
369 fTracks->Expand(trkArrSize);
372 if (vtxArrSize > fVertices->GetSize())
373 fVertices->Expand(vtxArrSize);
376 if (v0ArrSize > fV0s->GetSize())
377 fV0s->Expand(v0ArrSize);
380 if (cascadeArrSize > fCascades->GetSize())
381 fCascades->Expand(cascadeArrSize);
384 if (jetSize > fJets->GetSize())
385 fJets->Expand(jetSize);
387 fCaloClusters->Delete();
388 if (caloClusSize > fCaloClusters->GetSize())
389 fCaloClusters->Expand(caloClusSize);
391 fFmdClusters->Delete();
392 if (fmdClusSize > fFmdClusters->GetSize())
393 fFmdClusters->Expand(fmdClusSize);
395 fPmdClusters->Delete();
396 if (pmdClusSize > fPmdClusters->GetSize())
397 fPmdClusters->Expand(pmdClusSize);
400 if (dimuonArrSize > fDimuons->GetSize())
401 fDimuons->Expand(dimuonArrSize);
403 // Reset the tracklets
404 fTracklets->DeleteContainer();
405 fPhosCells->DeleteContainer();
406 fEmcalCells->DeleteContainer();
410 void AliAODEvent::ClearStd()
412 // clears the standard arrays
413 fHeader ->RemoveQTheta();
415 fVertices ->Delete();
417 fCascades ->Delete();
418 fTracklets ->DeleteContainer();
420 fEmcalCells ->DeleteContainer();
421 fPhosCells ->DeleteContainer();
422 fCaloClusters ->Delete();
423 fFmdClusters ->Clear();
424 fPmdClusters ->Clear();
428 //_________________________________________________________________
429 Int_t AliAODEvent::GetPHOSClusters(TRefArray *clusters) const
431 // fills the provided TRefArray with all found phos clusters
435 AliAODCaloCluster *cl = 0;
436 Bool_t first = kTRUE;
437 for (Int_t i = 0; i < GetNCaloClusters() ; i++) {
438 if ( (cl = GetCaloCluster(i)) ) {
439 if (cl->IsPHOSCluster()){
441 new (clusters) TRefArray(TProcessID::GetProcessWithUID(cl));
445 //printf("IsPHOS cluster %d, E %2.3f Size: %d \n",i,cl->E(),clusters->GetEntriesFast());
449 return clusters->GetEntriesFast();
452 //_________________________________________________________________
453 Int_t AliAODEvent::GetEMCALClusters(TRefArray *clusters) const
455 // fills the provided TRefArray with all found emcal clusters
458 AliAODCaloCluster *cl = 0;
459 Bool_t first = kTRUE;
460 for (Int_t i = 0; i < GetNCaloClusters(); i++) {
461 if ( (cl = GetCaloCluster(i)) ) {
462 if (cl->IsEMCALCluster()){
464 new (clusters) TRefArray(TProcessID::GetProcessWithUID(cl));
468 //printf("IsEMCal cluster %d, E %2.3f Size: %d \n",i,cl->E(),clusters->GetEntriesFast());
472 return clusters->GetEntriesFast();
476 //______________________________________________________________________________
477 Int_t AliAODEvent::GetMuonTracks(TRefArray *muonTracks) const
479 // fills the provided TRefArray with all found muon tracks
483 AliAODTrack *track = 0;
484 for (Int_t iTrack = 0; iTrack < GetNTracks(); iTrack++) {
485 if ((track = GetTrack(iTrack))->IsMuonTrack()) {
486 muonTracks->Add(track);
490 return muonTracks->GetEntriesFast();
494 void AliAODEvent::ReadFromTree(TTree *tree, Option_t* opt /*= ""*/)
496 // Connects aod event to tree
499 Printf("%s %d AliAODEvent::ReadFromTree() Zero Pointer to Tree \n",(char*)__FILE__,__LINE__);
503 if(!tree->GetTree())tree->LoadTree(0);
505 // Try to find AliAODEvent
506 AliAODEvent *aodEvent = 0;
507 aodEvent = (AliAODEvent*)tree->GetTree()->GetUserInfo()->FindObject("AliAODEvent");
509 // Check if already connected to tree
510 TList* connectedList = (TList*) (tree->GetUserInfo()->FindObject("AODObjectsConnectedToTree"));
511 if (connectedList && (strcmp(opt, "reconnect"))) {
512 // If connected use the connected list of objects
513 fAODObjects->Delete();
514 fAODObjects = connectedList;
520 // prevent a memory leak when reading back the TList
521 // if (!(strcmp(opt, "reconnect"))) fAODObjects->Delete();
523 // create a new TList from the UserInfo TList...
524 // copy constructor does not work...
525 fAODObjects = (TList*)(aodEvent->GetList()->Clone());
526 fAODObjects->SetOwner(kTRUE);
527 if(fAODObjects->GetEntries()<kAODListN){
528 printf("%s %d AliAODEvent::ReadFromTree() TList contains less than the standard contents %d < %d \n",
529 (char*)__FILE__,__LINE__,fAODObjects->GetEntries(),kAODListN);
532 // Let's find out whether we have friends
533 TList* friendL = tree->GetTree()->GetListOfFriends();
538 while ((fe = (TFriendElement*)next())){
539 aodEvent = (AliAODEvent*)(fe->GetTree()->GetUserInfo()->FindObject("AliAODEvent"));
541 printf("No UserInfo on tree \n");
544 TList* objL = (TList*)(aodEvent->GetList()->Clone());
545 printf("Get list of object from tree %d !!\n", objL->GetEntries());
546 TIter nextobject(objL);
548 while((obj = nextobject()))
550 printf("Adding object from friend %s !\n", obj->GetName());
551 fAODObjects->Add(obj);
552 } // object "branch" loop
558 // set the branch addresses
559 TIter next(fAODObjects);
561 while((el=(TNamed*)next())){
562 TString bname(el->GetName());
563 // check if branch exists under this Name
564 TBranch *br = tree->GetTree()->GetBranch(bname.Data());
566 tree->SetBranchAddress(bname.Data(),fAODObjects->GetObjectRef(el));
568 br = tree->GetBranch(Form("%s.",bname.Data()));
570 tree->SetBranchAddress(Form("%s.",bname.Data()),fAODObjects->GetObjectRef(el));
573 printf("%s %d AliAODEvent::ReadFromTree() No Branch found with Name %s. \n",
574 (char*)__FILE__,__LINE__,bname.Data());
579 // when reading back we are not owner of the list
580 // must not delete it
581 fAODObjects->SetOwner(kTRUE);
582 fAODObjects->SetName("AODObjectsConnectedToTree");
583 // we are not owner of the list objects
584 // must not delete it
585 tree->GetUserInfo()->Add(fAODObjects);
589 // we can't get the list from the user data, create standard content
590 // and set it by hand
592 TIter next(fAODObjects);
594 while((el=(TNamed*)next())){
595 TString bname(el->GetName());
596 tree->SetBranchAddress(bname.Data(),fAODObjects->GetObjectRef(el));
599 // when reading back we are not owner of the list
600 // must not delete it
601 fAODObjects->SetOwner(kTRUE);
605 //______________________________________________________________________________
606 void AliAODEvent::Print(Option_t *) const
608 // Print the names of the all branches
609 TIter next(fAODObjects);
611 Printf(">>>>> AOD Content <<<<<");
612 while((el=(TNamed*)next())){
613 Printf(">> %s ",el->GetName());
615 Printf(">>>>> <<<<<");
620 void AliAODEvent::AssignIDtoCollection(TCollection* col)
622 // Static method which assigns a ID to each object in a collection
623 // In this way the objects are marked as referenced and written with
624 // an ID. This has the advantage that TRefs to this objects can be
625 // written by a subsequent process.
628 while ((obj = next()))
629 TProcessID::AssignID(obj);