Removing a compilation warning
[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisManager.cxx
CommitLineData
d3106602 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/* $Id$ */
17// Author: Andrei Gheata, 31/05/2006
18
19//==============================================================================
20// AliAnalysysManager - Manager analysis class. Allows creation of several
21// analysis tasks and data containers storing their input/output. Allows
22// connecting/chaining tasks via shared data containers. Serializes the current
23// event for all tasks depending only on initial input data.
24//==============================================================================
25//
26//==============================================================================
27
c52c2132 28#include <Riostream.h>
11026a80 29
c52c2132 30#include <TClass.h>
31#include <TFile.h>
32#include <TMethodCall.h>
33#include <TChain.h>
34#include <TSystem.h>
35#include <TROOT.h>
d3106602 36
d3106602 37#include "AliAnalysisTask.h"
38#include "AliAnalysisDataContainer.h"
39#include "AliAnalysisDataSlot.h"
c52c2132 40#include "AliAnalysisManager.h"
d3106602 41
42ClassImp(AliAnalysisManager)
43
c52c2132 44AliAnalysisManager *AliAnalysisManager::fgAnalysisManager = NULL;
45
d3106602 46//______________________________________________________________________________
c52c2132 47AliAnalysisManager::AliAnalysisManager()
48 :TNamed(),
327eaf46 49 fTree(NULL),
c52c2132 50 fCurrentEntry(-1),
51 fMode(kLocalAnalysis),
37a26056 52 fInitOK(kFALSE),
c52c2132 53 fTasks(NULL),
54 fTopTasks(NULL),
55 fZombies(NULL),
37a26056 56 fContainers(NULL),
57 fInputs(NULL),
c52c2132 58 fOutputs(NULL)
59{
60// Dummy constructor.
61 fgAnalysisManager = this;
62}
63
64//______________________________________________________________________________
65AliAnalysisManager::AliAnalysisManager(const char *name, const char *title)
66 :TNamed(name,title),
67 fTree(NULL),
68 fCurrentEntry(-1),
69 fMode(kLocalAnalysis),
70 fInitOK(kFALSE),
71 fDebug(0),
37a26056 72 fTasks(NULL),
73 fTopTasks(NULL),
c52c2132 74 fZombies(NULL),
75 fContainers(NULL),
76 fInputs(NULL),
77 fOutputs(NULL)
d3106602 78{
79// Default constructor.
c52c2132 80 fgAnalysisManager = this;
81 fTasks = new TObjArray();
82 fTopTasks = new TObjArray();
83 fZombies = new TObjArray();
84 fContainers = new TObjArray();
85 fInputs = new TObjArray();
86 fOutputs = new TObjArray();
d3106602 87}
88
89//______________________________________________________________________________
90AliAnalysisManager::AliAnalysisManager(const AliAnalysisManager& other)
c52c2132 91 :TNamed(other),
327eaf46 92 fTree(NULL),
c52c2132 93 fCurrentEntry(-1),
94 fMode(other.fMode),
95 fInitOK(other.fInitOK),
96 fDebug(other.fDebug),
37a26056 97 fTasks(NULL),
98 fTopTasks(NULL),
c52c2132 99 fZombies(NULL),
100 fContainers(NULL),
101 fInputs(NULL),
102 fOutputs(NULL)
d3106602 103{
104// Copy constructor.
37a26056 105 fTasks = new TObjArray(*other.fTasks);
106 fTopTasks = new TObjArray(*other.fTopTasks);
107 fZombies = new TObjArray(*other.fZombies);
c52c2132 108 fContainers = new TObjArray(*other.fContainers);
109 fInputs = new TObjArray(*other.fInputs);
110 fOutputs = new TObjArray(*other.fOutputs);
111 fgAnalysisManager = this;
d3106602 112}
113
114//______________________________________________________________________________
115AliAnalysisManager& AliAnalysisManager::operator=(const AliAnalysisManager& other)
116{
117// Assignment
118 if (&other != this) {
c52c2132 119 TNamed::operator=(other);
120 fTree = NULL;
121 fCurrentEntry = -1;
122 fMode = other.fMode;
37a26056 123 fInitOK = other.fInitOK;
c52c2132 124 fDebug = other.fDebug;
37a26056 125 fTasks = new TObjArray(*other.fTasks);
126 fTopTasks = new TObjArray(*other.fTopTasks);
127 fZombies = new TObjArray(*other.fZombies);
c52c2132 128 fContainers = new TObjArray(*other.fContainers);
129 fInputs = new TObjArray(*other.fInputs);
130 fOutputs = new TObjArray(*other.fOutputs);
131 fgAnalysisManager = this;
d3106602 132 }
133 return *this;
134}
135
136//______________________________________________________________________________
137AliAnalysisManager::~AliAnalysisManager()
138{
139// Destructor.
d3106602 140 if (fTasks) {fTasks->Delete(); delete fTasks;}
141 if (fTopTasks) delete fTopTasks;
142 if (fZombies) delete fZombies;
c52c2132 143 if (fContainers) {fContainers->Delete(); delete fContainers;}
144 if (fInputs) delete fInputs;
145 if (fOutputs) delete fOutputs;
146 if (fgAnalysisManager==this) fgAnalysisManager = NULL;
d3106602 147}
c52c2132 148
d3106602 149//______________________________________________________________________________
327eaf46 150Int_t AliAnalysisManager::GetEntry(Long64_t entry, Int_t getall)
151{
152// Read one entry of the tree or a whole branch.
c52c2132 153 if (fDebug > 1) {
154 cout << "== AliAnalysisManager::GetEntry()" << endl;
155 }
156 fCurrentEntry = entry;
327eaf46 157 return fTree ? fTree->GetTree()->GetEntry(entry, getall) : 0;
158}
159
160//______________________________________________________________________________
161void AliAnalysisManager::Init(TTree *tree)
d3106602 162{
163 // The Init() function is called when the selector needs to initialize
164 // a new tree or chain. Typically here the branch addresses of the tree
165 // will be set. It is normaly not necessary to make changes to the
166 // generated code, but the routine can be extended by the user if needed.
167 // Init() will be called many times when running with PROOF.
327eaf46 168 if (!tree) return;
c52c2132 169 if (fDebug > 1) {
170 printf("AliAnalysisManager::Init(%s)\n", tree->GetName());
171 }
172 if (!fInitOK) InitAnalysis();
173 if (!fInitOK) return;
327eaf46 174 fTree = tree;
175 AliAnalysisDataContainer *top = (AliAnalysisDataContainer*)fInputs->At(0);
c52c2132 176 if (!top) {
177 cout<<"Error: No top input container !" <<endl;
178 return;
179 }
327eaf46 180 top->SetData(tree);
d3106602 181}
182
183//______________________________________________________________________________
327eaf46 184void AliAnalysisManager::Begin(TTree *tree)
d3106602 185{
186 // The Begin() function is called at the start of the query.
187 // When running with PROOF Begin() is only called on the client.
188 // The tree argument is deprecated (on PROOF 0 is passed).
c52c2132 189 if (fDebug > 1) {
190 cout << "AliAnalysisManager::Begin()" << endl;
191 }
327eaf46 192 Init(tree);
d3106602 193}
194
195//______________________________________________________________________________
327eaf46 196void AliAnalysisManager::SlaveBegin(TTree *tree)
d3106602 197{
198 // The SlaveBegin() function is called after the Begin() function.
199 // When running with PROOF SlaveBegin() is called on each slave server.
200 // The tree argument is deprecated (on PROOF 0 is passed).
c52c2132 201 if (fDebug > 1) {
202 cout << "AliAnalysisManager::SlaveBegin()" << endl;
203 }
204 TIter next(fTasks);
205 AliAnalysisTask *task;
206 // Call CreateOutputObjects for all tasks
207 while ((task=(AliAnalysisTask*)next()))
208 task->CreateOutputObjects();
209 if (fMode == kLocalAnalysis) Init(tree);
d3106602 210}
211
212//______________________________________________________________________________
327eaf46 213Bool_t AliAnalysisManager::Notify()
214{
215 // The Notify() function is called when a new file is opened. This
216 // can be either for a new TTree in a TChain or when when a new TTree
217 // is started when using PROOF. It is normaly not necessary to make changes
218 // to the generated code, but the routine can be extended by the
219 // user if needed. The return value is currently not used.
220 if (fTree) {
221 TFile *curfile = fTree->GetCurrentFile();
c52c2132 222 if (curfile && fDebug>1) printf("AliAnalysisManager::Notify() file: %s\n", curfile->GetName());
327eaf46 223 }
224 return kTRUE;
225}
226
227//______________________________________________________________________________
228Bool_t AliAnalysisManager::Process(Long64_t entry)
d3106602 229{
230 // The Process() function is called for each entry in the tree (or possibly
231 // keyed object in the case of PROOF) to be processed. The entry argument
232 // specifies which entry in the currently loaded tree is to be processed.
233 // It can be passed to either TTree::GetEntry() or TBranch::GetEntry()
234 // to read either all or the required parts of the data. When processing
235 // keyed objects with PROOF, the object is already loaded and is available
236 // via the fObject pointer.
237 //
238 // This function should contain the "body" of the analysis. It can contain
239 // simple or elaborate selection criteria, run algorithms on the data
240 // of the event and typically fill histograms.
241
242 // WARNING when a selector is used with a TChain, you must use
243 // the pointer to the current TTree to call GetEntry(entry).
244 // The entry is always the local entry number in the current tree.
245 // Assuming that fChain is the pointer to the TChain being processed,
246 // use fChain->GetTree()->GetEntry(entry).
327eaf46 247
c52c2132 248 if (fDebug > 1) {
249 cout << "AliAnalysisManager::Process()" << endl;
250 }
327eaf46 251 GetEntry(entry);
252 ExecAnalysis();
253 return kTRUE;
d3106602 254}
255
256//______________________________________________________________________________
c52c2132 257void AliAnalysisManager::PackOutput(TList *target)
d3106602 258{
c52c2132 259 // Pack all output data containers in the output list.
260 if (fDebug > 1) {
261 cout << "AliAnalysisManager::PackOutput()" << endl;
262 }
263 if (!target) {
264 Error("PackOutput", "No target. Aborting.");
265 return;
266 }
267
268 if (fMode == kProofAnalysis) {
269 TIter next(fOutputs);
270 AliAnalysisDataContainer *output;
271 while ((output=(AliAnalysisDataContainer*)next())) {
272 if (fDebug > 1) printf(" Packing container %s\n", output->GetName());
273 if (output->GetData()) target->Add(output);
274// output->SetDataOwned(kFALSE);
275 }
276 }
277 fContainers->Clear();
278 if (fDebug > 1) {
279 printf(" ->output list contains %d containers\n", target->GetSize());
280 }
281}
282
283//______________________________________________________________________________
284void AliAnalysisManager::ReplaceOutputContainers(TList *source)
285{
286// Replace all exising containers with the ones coming in source.
327eaf46 287 TIter next(fOutputs);
c52c2132 288 AliAnalysisDataContainer *cont, *output;
289 while ((cont=(AliAnalysisDataContainer*)next())) {
290 output = (AliAnalysisDataContainer*)source->FindObject(cont->GetName());
291 if (!output) {
292 printf("Error: container %s not found in analysis output !\n", cont->GetName());
293 continue;
294 }
295 if (fDebug > 1) printf("...Replacing output container %s\n", output->GetName());
296 if (cont->GetFileName()) printf(" -> %s\n", output->GetFileName());
297 Int_t ntasks = fTasks->GetEntries();
298 AliAnalysisTask *task;
299 AliAnalysisDataSlot *oslot;
300 for (Int_t i=0; i<ntasks; i++) {
301 task = (AliAnalysisTask*)fTasks->At(i);
302 Int_t nout = task->GetNoutputs();
303 for (Int_t iout=0; iout<nout; iout++) {
304 oslot = task->GetOutputSlot(iout);
305 if (oslot->GetContainer() == cont) oslot->ConnectContainer(output);
306 }
307 }
308// output->GetConsumers()->Delete();
309// if (output->GetProducer()) delete output->GetProducer();
310 }
311}
312
313//______________________________________________________________________________
314void AliAnalysisManager::UnpackOutput(TList *source)
315{
316 // Called by AliAnalysisSelector::Terminate. Output containers should
317 // be in source in the same order as in fOutputs.
318
319 if (!source) {
320 Error("PackOutput", "No target. Aborting.");
321 return;
322 }
323 if (fDebug > 1) {
324 printf("AliAnalysisManager::UnpackOutput(): %d containers\n", source->GetSize());
325 printf(" Source list contains %d containers\n", source->GetSize());
327eaf46 326 }
c52c2132 327 TCollection *collection = source;
328 if (fMode == kLocalAnalysis) collection = fOutputs;
329 TIter next(collection);
330
331 if (fMode == kProofAnalysis) {
332 ReplaceOutputContainers(source);
333 fOutputs->Clear();
334 }
335 AliAnalysisDataContainer *output;
336 while ((output=(AliAnalysisDataContainer*)next())) {
337 if (fMode == kProofAnalysis) {
338 output->SetDataOwned(kTRUE);
339 fOutputs->Add(output);
340 }
341 if (!output->GetData()) continue;
342 // Check if the output need to be written to a file.
343 const char *filename = output->GetFileName();
344 if (!filename || !strlen(filename)) continue;
345 TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(filename);
346 if (file) file->cd();
347 else file = new TFile(filename, "RECREATE");
348 if (file->IsZombie()) continue;
349 // Reparent data to this file
350 TMethodCall callEnv;
351 if (output->GetData()->IsA())
352 callEnv.InitWithPrototype(output->GetData()->IsA(), "SetDirectory", "TDirectory*");
353 if (callEnv.IsValid()) {
354 callEnv.SetParam((Long_t) file);
355 callEnv.Execute(output->GetData());
356 }
357 output->GetData()->Write();
358 }
d3106602 359}
360
361//______________________________________________________________________________
362void AliAnalysisManager::Terminate()
363{
364 // The Terminate() function is the last function to be called during
365 // a query. It always runs on the client, it can be used to present
c52c2132 366 // the results graphically.
367 if (fDebug > 1) {
368 cout << "AliAnalysisManager::Terminate()" << endl;
369 }
327eaf46 370 AliAnalysisTask *task;
c52c2132 371 TIter next(fTasks);
327eaf46 372 // Call Terminate() for tasks
c52c2132 373 while ((task=(AliAnalysisTask*)next())) task->Terminate();
d3106602 374}
375
376//______________________________________________________________________________
377void AliAnalysisManager::AddTask(AliAnalysisTask *task)
378{
379// Adds a user task to the global list of tasks.
380 task->SetActive(kFALSE);
381 fTasks->Add(task);
382}
383
384//______________________________________________________________________________
385AliAnalysisTask *AliAnalysisManager::GetTask(const char *name) const
386{
387// Retreive task by name.
388 if (!fTasks) return NULL;
389 return (AliAnalysisTask*)fTasks->FindObject(name);
390}
391
392//______________________________________________________________________________
393AliAnalysisDataContainer *AliAnalysisManager::CreateContainer(const char *name,
c52c2132 394 TClass *datatype, EAliAnalysisContType type, const char *filename)
d3106602 395{
396// Create a data container of a certain type. Types can be:
c52c2132 397// kExchangeContainer = 0, used to exchange date between tasks
d3106602 398// kInputContainer = 1, used to store input data
399// kOutputContainer = 2, used for posting results
400 AliAnalysisDataContainer *cont = new AliAnalysisDataContainer(name, datatype);
401 fContainers->Add(cont);
402 switch (type) {
403 case kInputContainer:
404 fInputs->Add(cont);
405 break;
406 case kOutputContainer:
c52c2132 407 if (fOutputs->FindObject(name)) printf("CreateContainer: warning: a container named %s existing !\n",name);
d3106602 408 fOutputs->Add(cont);
c52c2132 409 if (filename && strlen(filename)) cont->SetFileName(filename);
d3106602 410 break;
c52c2132 411 case kExchangeContainer:
d3106602 412 break;
413 }
414 return cont;
415}
416
417//______________________________________________________________________________
418Bool_t AliAnalysisManager::ConnectInput(AliAnalysisTask *task, Int_t islot,
419 AliAnalysisDataContainer *cont)
420{
421// Connect input of an existing task to a data container.
422 if (!fTasks->FindObject(task)) {
423 AddTask(task);
c52c2132 424 Warning("ConnectInput", "Task %s not registered. Now owned by analysis manager", task->GetName());
d3106602 425 }
426 Bool_t connected = task->ConnectInput(islot, cont);
427 return connected;
428}
429
430//______________________________________________________________________________
431Bool_t AliAnalysisManager::ConnectOutput(AliAnalysisTask *task, Int_t islot,
432 AliAnalysisDataContainer *cont)
433{
434// Connect output of an existing task to a data container.
435 if (!fTasks->FindObject(task)) {
436 AddTask(task);
c52c2132 437 Warning("ConnectOutput", "Task %s not registered. Now owned by analysis manager", task->GetName());
d3106602 438 }
439 Bool_t connected = task->ConnectOutput(islot, cont);
440 return connected;
441}
442
443//______________________________________________________________________________
444void AliAnalysisManager::CleanContainers()
445{
446// Clean data from all containers that have already finished all client tasks.
447 TIter next(fContainers);
448 AliAnalysisDataContainer *cont;
449 while ((cont=(AliAnalysisDataContainer *)next())) {
450 if (cont->IsOwnedData() &&
451 cont->IsDataReady() &&
452 cont->ClientsExecuted()) cont->DeleteData();
453 }
454}
455
456//______________________________________________________________________________
457Bool_t AliAnalysisManager::InitAnalysis()
458{
459// Initialization of analysis chain of tasks. Should be called after all tasks
460// and data containers are properly connected
461 // Check for input/output containers
462 fInitOK = kFALSE;
d3106602 463 // Check for top tasks (depending only on input data containers)
464 if (!fTasks->First()) {
c52c2132 465 Error("InitAnalysis", "Analysis has no tasks !");
d3106602 466 return kFALSE;
467 }
468 TIter next(fTasks);
469 AliAnalysisTask *task;
470 AliAnalysisDataContainer *cont;
471 Int_t ntop = 0;
472 Int_t nzombies = 0;
327eaf46 473 Bool_t iszombie = kFALSE;
474 Bool_t istop = kTRUE;
d3106602 475 Int_t i;
476 while ((task=(AliAnalysisTask*)next())) {
327eaf46 477 istop = kTRUE;
478 iszombie = kFALSE;
d3106602 479 Int_t ninputs = task->GetNinputs();
d3106602 480 for (i=0; i<ninputs; i++) {
481 cont = task->GetInputSlot(i)->GetContainer();
482 if (!cont) {
327eaf46 483 if (!iszombie) {
d3106602 484 task->SetZombie();
485 fZombies->Add(task);
486 nzombies++;
327eaf46 487 iszombie = kTRUE;
d3106602 488 }
c52c2132 489 Error("InitAnalysis", "Input slot %d of task %s has no container connected ! Declared zombie...",
490 i, task->GetName());
d3106602 491 }
327eaf46 492 if (iszombie) continue;
d3106602 493 // Check if cont is an input container
327eaf46 494 if (istop && !fInputs->FindObject(cont)) istop=kFALSE;
d3106602 495 // Connect to parent task
496 }
327eaf46 497 if (istop) {
d3106602 498 ntop++;
499 fTopTasks->Add(task);
500 }
501 }
502 if (!ntop) {
c52c2132 503 Error("InitAnalysis", "No top task defined. At least one task should be connected only to input containers");
d3106602 504 return kFALSE;
505 }
506 // Check now if there are orphan tasks
507 for (i=0; i<ntop; i++) {
508 task = (AliAnalysisTask*)fTopTasks->At(i);
509 task->SetUsed();
510 }
511 Int_t norphans = 0;
512 next.Reset();
513 while ((task=(AliAnalysisTask*)next())) {
514 if (!task->IsUsed()) {
515 norphans++;
c52c2132 516 Warning("InitAnalysis", "Task %s is orphan", task->GetName());
d3106602 517 }
518 }
519 // Check the task hierarchy (no parent task should depend on data provided
520 // by a daughter task)
521 for (i=0; i<ntop; i++) {
522 task = (AliAnalysisTask*)fTopTasks->At(i);
523 if (task->CheckCircularDeps()) {
c52c2132 524 Error("InitAnalysis", "Found illegal circular dependencies between following tasks:");
d3106602 525 PrintStatus("dep");
526 return kFALSE;
527 }
528 }
327eaf46 529 fInitOK = kTRUE;
d3106602 530 return kTRUE;
531}
532
533//______________________________________________________________________________
534void AliAnalysisManager::PrintStatus(Option_t *option) const
535{
536// Print task hierarchy.
537 TIter next(fTopTasks);
538 AliAnalysisTask *task;
539 while ((task=(AliAnalysisTask*)next()))
540 task->PrintTask(option);
541}
542
543//______________________________________________________________________________
544void AliAnalysisManager::ResetAnalysis()
545{
546// Reset all execution flags and clean containers.
547 CleanContainers();
548}
549
550//______________________________________________________________________________
c52c2132 551void AliAnalysisManager::StartAnalysis(const char *type, TTree *tree)
552{
553// Start analysis for this manager. Analysis task can be: LOCAL, PROOF or GRID.
554 if (!fInitOK) {
555 Error("StartAnalysis","Analysis manager was not initialized !");
556 return;
557 }
558 if (fDebug>1) {
559 cout << "StartAnalysis: " << GetName() << endl;
560 }
561 TString anaType = type;
562 anaType.ToLower();
563 fMode = kLocalAnalysis;
564 if (tree) {
565 if (anaType.Contains("proof")) fMode = kProofAnalysis;
566 else if (anaType.Contains("grid")) fMode = kGridAnalysis;
567 }
568 if (fMode == kGridAnalysis) {
569 Warning("StartAnalysis", "GRID analysis mode not implemented. Running local.");
570 fMode = kLocalAnalysis;
571 }
572 char line[128];
573 TChain *chain = dynamic_cast<TChain*>(tree);
574 switch (fMode) {
575 case kLocalAnalysis:
576 if (!tree) {
577 ExecAnalysis();
578 return;
579 }
580 // Run tree-based analysis via AliAnalysisSelector
4c6c1644 581 gROOT->ProcessLine(".L ANALYSIS/AliAnalysisSelector.cxx+");
c52c2132 582 cout << "===== RUNNING LOCAL ANALYSIS " << GetName() << " ON TREE " << tree->GetName() << endl;
583 sprintf(line, "AliAnalysisSelector *selector = new AliAnalysisSelector((AliAnalysisManager*)0x%lx);",(ULong_t)this);
584 gROOT->ProcessLine(line);
585 sprintf(line, "((TTree*)0x%lx)->Process(selector);",(ULong_t)tree);
586 gROOT->ProcessLine(line);
587 break;
588 case kProofAnalysis:
589 if (!gROOT->GetListOfProofs() || !gROOT->GetListOfProofs()->GetEntries()) {
590 printf("StartAnalysis: no PROOF!!!\n");
591 return;
592 }
593 sprintf(line, "gProof->AddInput((TObject*)0x%lx);", (ULong_t)this);
594 gROOT->ProcessLine(line);
595 if (chain) {
596 chain->SetProof();
597 cout << "===== RUNNING PROOF ANALYSIS " << GetName() << " ON CHAIN " << chain->GetName() << endl;
598 chain->Process(gSystem->ExpandPathName("$ALICE_ROOT/ANALYSIS/AliAnalysisSelector.cxx+"));
599 } else {
600 printf("StartAnalysis: no chain\n");
601 return;
602 }
603 break;
604 case kGridAnalysis:
605 Warning("StartAnalysis", "GRID analysis mode not implemented. Running local.");
606 }
607}
608
609//______________________________________________________________________________
d3106602 610void AliAnalysisManager::ExecAnalysis(Option_t *option)
611{
612// Execute analysis.
327eaf46 613 if (!fInitOK) {
c52c2132 614 Error("ExecAnalysis", "Analysis manager was not initialized !");
327eaf46 615 return;
616 }
d3106602 617 AliAnalysisTask *task;
327eaf46 618 // Check if the top tree is active.
619 if (fTree) {
c52c2132 620 if (fDebug>1) {
621 printf("AliAnalysisManager::ExecAnalysis\n");
622 }
327eaf46 623 TIter next(fTasks);
624 // De-activate all tasks
625 while ((task=(AliAnalysisTask*)next())) task->SetActive(kFALSE);
626 AliAnalysisDataContainer *cont = (AliAnalysisDataContainer*)fInputs->At(0);
627 if (!cont) {
c52c2132 628 Error("ExecAnalysis","Cannot execute analysis in TSelector mode without at least one top container");
327eaf46 629 return;
630 }
631 cont->SetData(fTree); // This will notify all consumers
632 TIter next1(cont->GetConsumers());
633 while ((task=(AliAnalysisTask*)next1())) {
634// task->SetActive(kTRUE);
c52c2132 635 if (fDebug >1) {
636 cout << " Executing task " << task->GetName() << endl;
637 }
327eaf46 638 task->ExecuteTask(option);
639 }
640 return;
641 }
642 // The event loop is not controlled by TSelector
643 TIter next2(fTopTasks);
644 while ((task=(AliAnalysisTask*)next2())) {
645 task->SetActive(kTRUE);
c52c2132 646 if (fDebug > 1) {
647 cout << " Executing task " << task->GetName() << endl;
648 }
d3106602 649 task->ExecuteTask(option);
327eaf46 650 }
d3106602 651}
652
653//______________________________________________________________________________
654void AliAnalysisManager::FinishAnalysis()
655{
656// Finish analysis.
657}