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 **************************************************************************/
17 // Author: Andrei Gheata, 31/05/2006
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 //==============================================================================
26 //==============================================================================
28 #include <Riostream.h>
33 #include <TMethodCall.h>
39 #include "AliAnalysisSelector.h"
40 #include "AliAnalysisGrid.h"
41 #include "AliAnalysisTask.h"
42 #include "AliAnalysisDataContainer.h"
43 #include "AliAnalysisDataSlot.h"
44 #include "AliVEventHandler.h"
45 #include "AliVEventPool.h"
46 #include "AliSysInfo.h"
47 #include "AliAnalysisManager.h"
49 ClassImp(AliAnalysisManager)
51 AliAnalysisManager *AliAnalysisManager::fgAnalysisManager = NULL;
53 //______________________________________________________________________________
54 AliAnalysisManager::AliAnalysisManager(const char *name, const char *title)
57 fInputEventHandler(NULL),
58 fOutputEventHandler(NULL),
59 fMCtruthEventHandler(NULL),
63 fMode(kLocalAnalysis),
66 fSpecialOutputLocation(""),
79 // Default constructor.
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();
90 //______________________________________________________________________________
91 AliAnalysisManager::AliAnalysisManager(const AliAnalysisManager& other)
94 fInputEventHandler(NULL),
95 fOutputEventHandler(NULL),
96 fMCtruthEventHandler(NULL),
101 fInitOK(other.fInitOK),
102 fDebug(other.fDebug),
103 fSpecialOutputLocation(""),
117 fTasks = new TObjArray(*other.fTasks);
118 fTopTasks = new TObjArray(*other.fTopTasks);
119 fZombies = new TObjArray(*other.fZombies);
120 fContainers = new TObjArray(*other.fContainers);
121 fInputs = new TObjArray(*other.fInputs);
122 fOutputs = new TObjArray(*other.fOutputs);
123 fgAnalysisManager = this;
126 //______________________________________________________________________________
127 AliAnalysisManager& AliAnalysisManager::operator=(const AliAnalysisManager& other)
130 if (&other != this) {
131 TNamed::operator=(other);
132 fInputEventHandler = other.fInputEventHandler;
133 fOutputEventHandler = other.fOutputEventHandler;
134 fMCtruthEventHandler = other.fMCtruthEventHandler;
135 fEventPool = other.fEventPool;
138 fNSysInfo = other.fNSysInfo;
140 fInitOK = other.fInitOK;
141 fDebug = other.fDebug;
142 fTasks = new TObjArray(*other.fTasks);
143 fTopTasks = new TObjArray(*other.fTopTasks);
144 fZombies = new TObjArray(*other.fZombies);
145 fContainers = new TObjArray(*other.fContainers);
146 fInputs = new TObjArray(*other.fInputs);
147 fOutputs = new TObjArray(*other.fOutputs);
149 fCommonOutput = NULL;
152 fExtraFiles = other.fExtraFiles;
153 fgAnalysisManager = this;
158 //______________________________________________________________________________
159 AliAnalysisManager::~AliAnalysisManager()
162 if (fTasks) {fTasks->Delete(); delete fTasks;}
163 if (fTopTasks) delete fTopTasks;
164 if (fZombies) delete fZombies;
165 if (fContainers) {fContainers->Delete(); delete fContainers;}
166 if (fInputs) delete fInputs;
167 if (fOutputs) delete fOutputs;
168 if (fGridHandler) delete fGridHandler;
169 if (fgAnalysisManager==this) fgAnalysisManager = NULL;
172 //______________________________________________________________________________
173 Int_t AliAnalysisManager::GetEntry(Long64_t entry, Int_t getall)
175 // Read one entry of the tree or a whole branch.
176 if (fDebug > 0) printf("== AliAnalysisManager::GetEntry(%lld)\n", entry);
177 fCurrentEntry = entry;
178 return fTree ? fTree->GetTree()->GetEntry(entry, getall) : 0;
181 //______________________________________________________________________________
182 Bool_t AliAnalysisManager::Init(TTree *tree)
184 // The Init() function is called when the selector needs to initialize
185 // a new tree or chain. Typically here the branch addresses of the tree
186 // will be set. It is normaly not necessary to make changes to the
187 // generated code, but the routine can be extended by the user if needed.
188 // Init() will be called many times when running with PROOF.
189 Bool_t init = kFALSE;
190 if (!tree) return kFALSE; // Should not happen - protected in selector caller
192 printf("->AliAnalysisManager::Init(%s)\n", tree->GetName());
194 // Call InitTree of EventHandler
195 if (fOutputEventHandler) {
196 if (fMode == kProofAnalysis) {
197 init = fOutputEventHandler->Init(0x0, "proof");
199 init = fOutputEventHandler->Init(0x0, "local");
202 Error("Init", "Output event handler failed to initialize");
207 if (fInputEventHandler) {
208 if (fMode == kProofAnalysis) {
209 init = fInputEventHandler->Init(tree, "proof");
211 init = fInputEventHandler->Init(tree, "local");
214 Error("Init", "Input event handler failed to initialize tree");
218 // If no input event handler we need to get the tree once
220 if(!tree->GetTree()) {
221 Long64_t readEntry = tree->LoadTree(0);
222 if (readEntry == -2) {
223 Error("Init", "Input tree has no entry. Aborting");
229 if (fMCtruthEventHandler) {
230 if (fMode == kProofAnalysis) {
231 init = fMCtruthEventHandler->Init(0x0, "proof");
233 init = fMCtruthEventHandler->Init(0x0, "local");
236 Error("Init", "MC event handler failed to initialize");
241 if (!fInitOK) InitAnalysis();
242 if (!fInitOK) return kFALSE;
244 AliAnalysisDataContainer *top = fCommonInput;
245 if (!top) top = (AliAnalysisDataContainer*)fInputs->At(0);
247 Error("Init","No top input container !");
252 printf("<-AliAnalysisManager::Init(%s)\n", tree->GetName());
257 //______________________________________________________________________________
258 void AliAnalysisManager::SlaveBegin(TTree *tree)
260 // The SlaveBegin() function is called after the Begin() function.
261 // When running with PROOF SlaveBegin() is called on each slave server.
262 // The tree argument is deprecated (on PROOF 0 is passed).
263 if (fDebug > 0) printf("->AliAnalysisManager::SlaveBegin()\n");
264 static Bool_t isCalled = kFALSE;
265 Bool_t init = kFALSE;
266 Bool_t initOK = kTRUE;
268 TDirectory *curdir = gDirectory;
269 // Call SlaveBegin only once in case of mixing
270 if (isCalled && fMode==kMixingAnalysis) return;
271 // Call Init of EventHandler
272 if (fOutputEventHandler) {
273 if (fMode == kProofAnalysis) {
274 // Merging AOD's in PROOF via TProofOutputFile
275 if (fDebug > 1) printf(" Initializing AOD output file %s...\n", fOutputEventHandler->GetOutputFileName());
276 init = fOutputEventHandler->Init("proof");
277 if (!init) msg = "Failed to initialize output handler on worker";
279 init = fOutputEventHandler->Init("local");
280 if (!init) msg = "Failed to initialize output handler";
283 if (!fSelector) Error("SlaveBegin", "Selector not set");
284 else if (!init) {fSelector->Abort(msg); fSelector->SetStatus(-1);}
287 if (fInputEventHandler) {
288 fInputEventHandler->SetInputTree(tree);
289 if (fMode == kProofAnalysis) {
290 init = fInputEventHandler->Init("proof");
291 if (!init) msg = "Failed to initialize input handler on worker";
293 init = fInputEventHandler->Init("local");
294 if (!init) msg = "Failed to initialize input handler";
297 if (!fSelector) Error("SlaveBegin", "Selector not set");
298 else if (!init) {fSelector->Abort(msg); fSelector->SetStatus(-1);}
301 if (fMCtruthEventHandler) {
302 if (fMode == kProofAnalysis) {
303 init = fMCtruthEventHandler->Init("proof");
304 if (!init) msg = "Failed to initialize MC handler on worker";
306 init = fMCtruthEventHandler->Init("local");
307 if (!init) msg = "Failed to initialize MC handler";
310 if (!fSelector) Error("SlaveBegin", "Selector not set");
311 else if (!init) {fSelector->Abort(msg); fSelector->SetStatus(-1);}
313 if (curdir) curdir->cd();
317 AliAnalysisTask *task;
318 // Call CreateOutputObjects for all tasks
319 while ((task=(AliAnalysisTask*)next())) {
321 task->CreateOutputObjects();
322 if (curdir) curdir->cd();
324 if (fDebug > 0) printf("<-AliAnalysisManager::SlaveBegin()\n");
327 //______________________________________________________________________________
328 Bool_t AliAnalysisManager::Notify()
330 // The Notify() function is called when a new file is opened. This
331 // can be either for a new TTree in a TChain or when when a new TTree
332 // is started when using PROOF. It is normaly not necessary to make changes
333 // to the generated code, but the routine can be extended by the
334 // user if needed. The return value is currently not used.
335 if (!fTree) return kFALSE;
337 TFile *curfile = fTree->GetCurrentFile();
339 Error("Notify","No current file");
343 if (fDebug > 0) printf("->AliAnalysisManager::Notify() file: %s\n", curfile->GetName());
345 AliAnalysisTask *task;
346 // Call Notify for all tasks
347 while ((task=(AliAnalysisTask*)next()))
350 // Call Notify of the event handlers
351 if (fInputEventHandler) {
352 fInputEventHandler->Notify(curfile->GetName());
355 if (fOutputEventHandler) {
356 fOutputEventHandler->Notify(curfile->GetName());
359 if (fMCtruthEventHandler) {
360 fMCtruthEventHandler->Notify(curfile->GetName());
362 if (fDebug > 0) printf("<-AliAnalysisManager::Notify()\n");
366 //______________________________________________________________________________
367 Bool_t AliAnalysisManager::Process(Long64_t entry)
369 // The Process() function is called for each entry in the tree (or possibly
370 // keyed object in the case of PROOF) to be processed. The entry argument
371 // specifies which entry in the currently loaded tree is to be processed.
372 // It can be passed to either TTree::GetEntry() or TBranch::GetEntry()
373 // to read either all or the required parts of the data. When processing
374 // keyed objects with PROOF, the object is already loaded and is available
375 // via the fObject pointer.
377 // This function should contain the "body" of the analysis. It can contain
378 // simple or elaborate selection criteria, run algorithms on the data
379 // of the event and typically fill histograms.
381 // WARNING when a selector is used with a TChain, you must use
382 // the pointer to the current TTree to call GetEntry(entry).
383 // The entry is always the local entry number in the current tree.
384 // Assuming that fChain is the pointer to the TChain being processed,
385 // use fChain->GetTree()->GetEntry(entry).
386 if (fDebug > 0) printf("->AliAnalysisManager::Process(%lld)\n", entry);
388 if (fInputEventHandler) fInputEventHandler ->BeginEvent(entry);
389 if (fOutputEventHandler) fOutputEventHandler ->BeginEvent(entry);
390 if (fMCtruthEventHandler) fMCtruthEventHandler->BeginEvent(entry);
394 if (fDebug > 0) printf("<-AliAnalysisManager::Process()\n");
398 //______________________________________________________________________________
399 void AliAnalysisManager::PackOutput(TList *target)
401 // Pack all output data containers in the output list. Called at SlaveTerminate
402 // stage in PROOF case for each slave.
403 if (fDebug > 0) printf("->AliAnalysisManager::PackOutput()\n");
405 Error("PackOutput", "No target. Aborting.");
408 if (fInputEventHandler) fInputEventHandler ->Terminate();
409 if (fOutputEventHandler) fOutputEventHandler ->Terminate();
410 if (fMCtruthEventHandler) fMCtruthEventHandler->Terminate();
412 // Call FinishTaskOutput() for each event loop task (not called for
413 // post-event loop tasks - use Terminate() fo those)
414 TIter nexttask(fTasks);
415 AliAnalysisTask *task;
416 while ((task=(AliAnalysisTask*)nexttask())) {
417 if (!task->IsPostEventLoop()) {
418 if (fDebug > 0) printf("->FinishTaskOutput: task %s\n", task->GetName());
419 task->FinishTaskOutput();
420 if (fDebug > 0) printf("<-FinishTaskOutput: task %s\n", task->GetName());
424 if (fMode == kProofAnalysis) {
425 TIter next(fOutputs);
426 AliAnalysisDataContainer *output;
427 Bool_t isManagedByHandler = kFALSE;
428 while ((output=(AliAnalysisDataContainer*)next())) {
429 // Do not consider outputs of post event loop tasks
430 isManagedByHandler = kFALSE;
431 if (output->GetProducer()->IsPostEventLoop()) continue;
432 const char *filename = output->GetFileName();
433 if (!(strcmp(filename, "default")) && fOutputEventHandler) {
434 isManagedByHandler = kTRUE;
435 printf("#### Handler output. Extra: %s\n", fExtraFiles.Data());
436 filename = fOutputEventHandler->GetOutputFileName();
438 // Check if data was posted to this container. If not, issue an error.
439 if (!output->GetData() && !isManagedByHandler) {
440 Error("PackOutput", "No data for output container %s. Forgot to PostData ?\n", output->GetName());
443 if (!output->IsSpecialOutput()) {
445 if (strlen(filename) && !isManagedByHandler) {
446 // File resident outputs
447 TFile *file = output->GetFile();
448 // Backup current folder
449 TDirectory *opwd = gDirectory;
450 // Create file if not existing and register to container.
451 if (file) file->cd();
452 else file = new TFile(filename, "RECREATE");
453 if (file->IsZombie()) {
454 Fatal("PackOutput", "Could not recreate file %s\n", filename);
457 output->SetFile(file);
458 // Clear file list to release object ownership to user.
460 // Save data to file, then close.
461 if (output->GetData()->InheritsFrom(TCollection::Class())) {
462 // If data is a collection, we set the name of the collection
463 // as the one of the container and we save as a single key.
464 TCollection *coll = (TCollection*)output->GetData();
465 coll->SetName(output->GetName());
466 coll->Write(output->GetName(), TObject::kSingleKey);
468 if (output->GetData()->InheritsFrom(TTree::Class())) {
469 TTree *tree = (TTree*)output->GetData();
470 tree->SetDirectory(file);
473 output->GetData()->Write();
476 if (fDebug > 1) printf("PackOutput %s: memory merge, file resident output\n", output->GetName());
478 printf(" file %s listing content:\n", filename);
482 // Restore current directory
483 if (opwd) opwd->cd();
485 // Memory-resident outputs
486 if (fDebug > 1) printf("PackOutput %s: memory merge memory resident output\n", filename);
488 AliAnalysisDataWrapper *wrap = 0;
489 if (isManagedByHandler) {
490 wrap = new AliAnalysisDataWrapper(fOutputEventHandler->GetTree());
491 wrap->SetName(output->GetName());
493 else wrap =output->ExportData();
494 // Output wrappers must NOT delete data after merging - the user owns them
495 wrap->SetDeleteData(kFALSE);
498 // Special outputs. The file must be opened and connected to the container.
499 TDirectory *opwd = gDirectory;
500 TFile *file = output->GetFile();
502 AliAnalysisTask *producer = output->GetProducer();
504 "File %s for special container %s was NOT opened in %s::CreateOutputObjects !!!",
505 output->GetFileName(), output->GetName(), producer->ClassName());
508 TString outFilename = file->GetName();
509 if (fDebug > 1) printf("PackOutput %s: special output\n", output->GetName());
510 if (isManagedByHandler) {
511 // Terminate IO for files managed by the output handler
512 if (file) file->Write();
513 if (file && fDebug > 2) {
514 printf(" handled file %s listing content:\n", file->GetName());
517 fOutputEventHandler->TerminateIO();
520 // Release object ownership to users after writing data to file
521 if (output->GetData()->InheritsFrom(TCollection::Class())) {
522 // If data is a collection, we set the name of the collection
523 // as the one of the container and we save as a single key.
524 TCollection *coll = (TCollection*)output->GetData();
525 coll->SetName(output->GetName());
526 coll->Write(output->GetName(), TObject::kSingleKey);
528 if (output->GetData()->InheritsFrom(TTree::Class())) {
529 TTree *tree = (TTree*)output->GetData();
530 tree->SetDirectory(file);
533 output->GetData()->Write();
538 printf(" file %s listing content:\n", output->GetFileName());
543 // Restore current directory
544 if (opwd) opwd->cd();
545 // Check if a special output location was provided or the output files have to be merged
546 if (strlen(fSpecialOutputLocation.Data())) {
547 TString remote = fSpecialOutputLocation;
549 Int_t gid = gROOT->ProcessLine("gProofServ->GetGroupId();");
550 if (remote.BeginsWith("alien://")) {
551 gROOT->ProcessLine("TGrid::Connect(\"alien://pcapiserv01.cern.ch:10000\", gProofServ->GetUser());");
552 remote += outFilename;
553 remote.ReplaceAll(".root", Form("_%d.root", gid));
555 remote += Form("%s_%d_", gSystem->HostName(), gid);
556 remote += outFilename;
559 Info("PackOutput", "Output file for container %s to be copied \n at: %s. No merging.",
560 output->GetName(), remote.Data());
561 TFile::Cp ( outFilename.Data(), remote.Data() );
562 // Copy extra outputs
563 if (fExtraFiles.Length() && isManagedByHandler) {
564 TObjArray *arr = fExtraFiles.Tokenize(" ");
566 TIter nextfilename(arr);
567 while ((os=(TObjString*)nextfilename())) {
568 outFilename = os->GetString();
569 remote = fSpecialOutputLocation;
571 if (remote.BeginsWith("alien://")) {
572 remote += outFilename;
573 remote.ReplaceAll(".root", Form("_%d.root", gid));
575 remote += Form("%s_%d_", gSystem->HostName(), gid);
576 remote += outFilename;
579 Info("PackOutput", "Extra AOD file %s to be copied \n at: %s. No merging.",
580 outFilename.Data(), remote.Data());
581 TFile::Cp ( outFilename.Data(), remote.Data() );
586 // No special location specified-> use TProofOutputFile as merging utility
587 // The file at this output slot must be opened in CreateOutputObjects
588 if (fDebug > 1) printf(" File for container %s to be merged via file merger...\n", output->GetName());
593 if (fDebug > 0) printf("<-AliAnalysisManager::PackOutput: output list contains %d containers\n", target->GetSize());
596 //______________________________________________________________________________
597 void AliAnalysisManager::ImportWrappers(TList *source)
599 // Import data in output containers from wrappers coming in source.
600 if (fDebug > 0) printf("->AliAnalysisManager::ImportWrappers()\n");
601 TIter next(fOutputs);
602 AliAnalysisDataContainer *cont;
603 AliAnalysisDataWrapper *wrap;
605 Bool_t inGrid = (fMode == kGridAnalysis)?kTRUE:kFALSE;
606 while ((cont=(AliAnalysisDataContainer*)next())) {
608 if (cont->GetProducer()->IsPostEventLoop() && !inGrid) continue;
609 const char *filename = cont->GetFileName();
610 Bool_t isManagedByHandler = kFALSE;
611 if (!(strcmp(filename, "default")) && fOutputEventHandler) {
612 isManagedByHandler = kTRUE;
613 filename = fOutputEventHandler->GetOutputFileName();
615 if (cont->IsSpecialOutput() || inGrid) {
616 if (strlen(fSpecialOutputLocation.Data())) continue;
617 // Copy merged file from PROOF scratch space.
618 // In case of grid the files are already in the current directory.
620 if (isManagedByHandler && fExtraFiles.Length()) {
621 // Copy extra registered dAOD files.
622 TObjArray *arr = fExtraFiles.Tokenize(" ");
624 TIter nextfilename(arr);
625 while ((os=(TObjString*)nextfilename())) GetFileFromWrapper(os->GetString(), source);
628 if (!GetFileFromWrapper(filename, source)) continue;
630 // Normally we should connect data from the copied file to the
631 // corresponding output container, but it is not obvious how to do this
632 // automatically if several objects in file...
633 TFile *f = TFile::Open(filename, "READ");
635 Error("ImportWrappers", "Cannot open file %s in read-only mode", filename);
639 // Try to fetch first a list object having the container name.
640 obj = f->Get(cont->GetName());
642 // Fetch first object from file having the container type.
643 TIter nextkey(f->GetListOfKeys());
645 while ((key=(TKey*)nextkey())) {
646 obj = f->Get(key->GetName());
647 if (obj && obj->IsA()->InheritsFrom(cont->GetType())) break;
651 Error("ImportWrappers", "Could not find object for container %s in file %s", cont->GetName(), filename);
654 wrap = new AliAnalysisDataWrapper(obj);
655 wrap->SetDeleteData(kFALSE);
657 if (!wrap) wrap = (AliAnalysisDataWrapper*)source->FindObject(cont->GetName());
659 Error("ImportWrappers","Container %s not found in analysis output !", cont->GetName());
664 printf(" Importing data for container %s", cont->GetName());
665 if (strlen(filename)) printf(" -> file %s\n", filename);
668 cont->ImportData(wrap);
670 if (fDebug > 0) printf("<-AliAnalysisManager::ImportWrappers(): %d containers imported\n", icont);
673 //______________________________________________________________________________
674 void AliAnalysisManager::UnpackOutput(TList *source)
676 // Called by AliAnalysisSelector::Terminate only on the client.
677 if (fDebug > 0) printf("->AliAnalysisManager::UnpackOutput()\n");
679 Error("UnpackOutput", "No target. Aborting.");
682 if (fDebug > 1) printf(" Source list contains %d containers\n", source->GetSize());
684 if (fMode == kProofAnalysis) ImportWrappers(source);
686 TIter next(fOutputs);
687 AliAnalysisDataContainer *output;
688 while ((output=(AliAnalysisDataContainer*)next())) {
689 if (!output->GetData()) continue;
690 // Check if there are client tasks that run post event loop
691 if (output->HasConsumers()) {
692 // Disable event loop semaphore
693 output->SetPostEventLoop(kTRUE);
694 TObjArray *list = output->GetConsumers();
695 Int_t ncons = list->GetEntriesFast();
696 for (Int_t i=0; i<ncons; i++) {
697 AliAnalysisTask *task = (AliAnalysisTask*)list->At(i);
698 task->CheckNotify(kTRUE);
699 // If task is active, execute it
700 if (task->IsPostEventLoop() && task->IsActive()) {
701 if (fDebug > 0) printf("== Executing post event loop task %s\n", task->GetName());
707 if (fDebug > 0) printf("<-AliAnalysisManager::UnpackOutput()\n");
710 //______________________________________________________________________________
711 void AliAnalysisManager::Terminate()
713 // The Terminate() function is the last function to be called during
714 // a query. It always runs on the client, it can be used to present
715 // the results graphically.
716 if (fDebug > 0) printf("->AliAnalysisManager::Terminate()\n");
717 AliAnalysisTask *task;
719 // Call Terminate() for tasks
720 while ((task=(AliAnalysisTask*)next())) task->Terminate();
722 TIter next1(fOutputs);
723 AliAnalysisDataContainer *output;
724 while ((output=(AliAnalysisDataContainer*)next1())) {
725 // Special outputs or grid files have the files already closed and written.
726 if (fMode == kGridAnalysis) continue;
727 if (output->IsSpecialOutput()&&(fMode == kProofAnalysis)) continue;
728 const char *filename = output->GetFileName();
729 if (!(strcmp(filename, "default"))) {
730 if (fOutputEventHandler) filename = fOutputEventHandler->GetOutputFileName();
731 TFile *aodfile = (TFile*)gROOT->GetListOfFiles()->FindObject(filename);
733 if (fDebug > 1) printf("Writing output handler file: %s\n", filename);
738 if (!strlen(filename)) continue;
739 if (!output->GetData()) continue;
740 TFile *file = output->GetFile();
741 TDirectory *opwd = gDirectory;
742 file = (TFile*)gROOT->GetListOfFiles()->FindObject(filename);
743 if (!file) file = new TFile(filename, "RECREATE");
744 if (file->IsZombie()) continue;
745 output->SetFile(file);
747 if (fDebug > 1) printf(" writing output data %s to file %s\n", output->GetData()->GetName(), file->GetName());
748 if (output->GetData()->InheritsFrom(TCollection::Class())) {
749 // If data is a collection, we set the name of the collection
750 // as the one of the container and we save as a single key.
751 TCollection *coll = (TCollection*)output->GetData();
752 coll->SetName(output->GetName());
753 coll->Write(output->GetName(), TObject::kSingleKey);
755 if (output->GetData()->InheritsFrom(TTree::Class())) {
756 TTree *tree = (TTree*)output->GetData();
757 tree->SetDirectory(file);
760 output->GetData()->Write();
763 if (opwd) opwd->cd();
766 while ((output=(AliAnalysisDataContainer*)next1())) {
767 // Close all files at output
768 TDirectory *opwd = gDirectory;
769 if (output->GetFile()) {
770 output->GetFile()->Close();
771 // Copy merged outputs in alien if requested
772 if (fSpecialOutputLocation.Length() &&
773 fSpecialOutputLocation.BeginsWith("alien://")) {
774 Info("Terminate", "Copy file %s to %s", output->GetFile()->GetName(),fSpecialOutputLocation.Data());
775 TFile::Cp(output->GetFile()->GetName(),
776 Form("%s/%s", fSpecialOutputLocation.Data(), output->GetFile()->GetName()));
779 if (opwd) opwd->cd();
782 if (fInputEventHandler) fInputEventHandler ->TerminateIO();
783 if (fOutputEventHandler) fOutputEventHandler ->TerminateIO();
784 if (fMCtruthEventHandler) fMCtruthEventHandler->TerminateIO();
786 Bool_t getsysInfo = ((fNSysInfo>0) && (fMode==kLocalAnalysis))?kTRUE:kFALSE;
788 TDirectory *cdir = gDirectory;
789 TFile f("syswatch.root", "RECREATE");
791 TTree *tree = AliSysInfo::MakeTree("syswatch.log");
792 tree->SetMarkerStyle(kCircle);
793 tree->SetMarkerColor(kBlue);
794 tree->SetMarkerSize(0.5);
795 if (!gROOT->IsBatch()) {
796 tree->SetAlias("event", "id0");
797 tree->SetAlias("memUSED", "mi.fMemUsed");
798 new TCanvas("SysInfo","SysInfo",10,10,800,600);
799 tree->Draw("memUSED:event","","", 1234567890, 0);
805 if (cdir) cdir->cd();
807 if (fDebug > 0) printf("<-AliAnalysisManager::Terminate()\n");
810 //______________________________________________________________________________
811 void AliAnalysisManager::AddTask(AliAnalysisTask *task)
813 // Adds a user task to the global list of tasks.
814 if (fTasks->FindObject(task)) {
815 Warning("AddTask", "Task %s: the same object already added to the analysis manager. Not adding.", task->GetName());
818 task->SetActive(kFALSE);
822 //______________________________________________________________________________
823 AliAnalysisTask *AliAnalysisManager::GetTask(const char *name) const
825 // Retreive task by name.
826 if (!fTasks) return NULL;
827 return (AliAnalysisTask*)fTasks->FindObject(name);
830 //______________________________________________________________________________
831 AliAnalysisDataContainer *AliAnalysisManager::CreateContainer(const char *name,
832 TClass *datatype, EAliAnalysisContType type, const char *filename)
834 // Create a data container of a certain type. Types can be:
835 // kExchangeContainer = 0, used to exchange date between tasks
836 // kInputContainer = 1, used to store input data
837 // kOutputContainer = 2, used for posting results
838 if (fContainers->FindObject(name)) {
839 Error("CreateContainer","A container named %s already defined !\n",name);
842 AliAnalysisDataContainer *cont = new AliAnalysisDataContainer(name, datatype);
843 fContainers->Add(cont);
845 case kInputContainer:
848 case kOutputContainer:
850 if (filename && strlen(filename)) {
851 cont->SetFileName(filename);
852 cont->SetDataOwned(kFALSE); // data owned by the file
855 case kExchangeContainer:
861 //______________________________________________________________________________
862 Bool_t AliAnalysisManager::ConnectInput(AliAnalysisTask *task, Int_t islot,
863 AliAnalysisDataContainer *cont)
865 // Connect input of an existing task to a data container.
867 Error("ConnectInput", "Task pointer is NULL");
870 if (!fTasks->FindObject(task)) {
872 Info("ConnectInput", "Task %s was not registered. Now owned by analysis manager", task->GetName());
874 Bool_t connected = task->ConnectInput(islot, cont);
878 //______________________________________________________________________________
879 Bool_t AliAnalysisManager::ConnectOutput(AliAnalysisTask *task, Int_t islot,
880 AliAnalysisDataContainer *cont)
882 // Connect output of an existing task to a data container.
884 Error("ConnectOutput", "Task pointer is NULL");
887 if (!fTasks->FindObject(task)) {
889 Warning("ConnectOutput", "Task %s not registered. Now owned by analysis manager", task->GetName());
891 Bool_t connected = task->ConnectOutput(islot, cont);
895 //______________________________________________________________________________
896 void AliAnalysisManager::CleanContainers()
898 // Clean data from all containers that have already finished all client tasks.
899 TIter next(fContainers);
900 AliAnalysisDataContainer *cont;
901 while ((cont=(AliAnalysisDataContainer *)next())) {
902 if (cont->IsOwnedData() &&
903 cont->IsDataReady() &&
904 cont->ClientsExecuted()) cont->DeleteData();
908 //______________________________________________________________________________
909 Bool_t AliAnalysisManager::InitAnalysis()
911 // Initialization of analysis chain of tasks. Should be called after all tasks
912 // and data containers are properly connected
913 // Check for input/output containers
915 // Check for top tasks (depending only on input data containers)
916 if (!fTasks->First()) {
917 Error("InitAnalysis", "Analysis has no tasks !");
921 AliAnalysisTask *task;
922 AliAnalysisDataContainer *cont;
925 Bool_t iszombie = kFALSE;
926 Bool_t istop = kTRUE;
928 while ((task=(AliAnalysisTask*)next())) {
931 Int_t ninputs = task->GetNinputs();
932 for (i=0; i<ninputs; i++) {
933 cont = task->GetInputSlot(i)->GetContainer();
941 Error("InitAnalysis", "Input slot %d of task %s has no container connected ! Declared zombie...",
944 if (iszombie) continue;
945 // Check if cont is an input container
946 if (istop && !fInputs->FindObject(cont)) istop=kFALSE;
947 // Connect to parent task
951 fTopTasks->Add(task);
955 Error("InitAnalysis", "No top task defined. At least one task should be connected only to input containers");
958 // Check now if there are orphan tasks
959 for (i=0; i<ntop; i++) {
960 task = (AliAnalysisTask*)fTopTasks->At(i);
965 while ((task=(AliAnalysisTask*)next())) {
966 if (!task->IsUsed()) {
968 Warning("InitAnalysis", "Task %s is orphan", task->GetName());
971 // Check the task hierarchy (no parent task should depend on data provided
972 // by a daughter task)
973 for (i=0; i<ntop; i++) {
974 task = (AliAnalysisTask*)fTopTasks->At(i);
975 if (task->CheckCircularDeps()) {
976 Error("InitAnalysis", "Found illegal circular dependencies between following tasks:");
981 // Check that all containers feeding post-event loop tasks are in the outputs list
982 TIter nextcont(fContainers); // loop over all containers
983 while ((cont=(AliAnalysisDataContainer*)nextcont())) {
984 if (!cont->IsPostEventLoop() && !fOutputs->FindObject(cont)) {
985 if (cont->HasConsumers()) {
986 // Check if one of the consumers is post event loop
987 TIter nextconsumer(cont->GetConsumers());
988 while ((task=(AliAnalysisTask*)nextconsumer())) {
989 if (task->IsPostEventLoop()) {
997 // Check if all special output containers have a file name provided
998 TIter nextout(fOutputs);
999 while ((cont=(AliAnalysisDataContainer*)nextout())) {
1000 if (cont->IsSpecialOutput() && !strlen(cont->GetFileName())) {
1001 Error("InitAnalysis", "Wrong container %s : a file name MUST be provided for special outputs", cont->GetName());
1009 //______________________________________________________________________________
1010 void AliAnalysisManager::PrintStatus(Option_t *option) const
1012 // Print task hierarchy.
1014 Info("PrintStatus", "Analysis manager %s not initialized : call InitAnalysis() first", GetName());
1017 Bool_t getsysInfo = ((fNSysInfo>0) && (fMode==kLocalAnalysis))?kTRUE:kFALSE;
1019 Info("PrintStatus", "System information will be collected each %lld events", fNSysInfo);
1020 TIter next(fTopTasks);
1021 AliAnalysisTask *task;
1022 while ((task=(AliAnalysisTask*)next()))
1023 task->PrintTask(option);
1026 //______________________________________________________________________________
1027 void AliAnalysisManager::ResetAnalysis()
1029 // Reset all execution flags and clean containers.
1033 //______________________________________________________________________________
1034 void AliAnalysisManager::StartAnalysis(const char *type, TTree *tree, Long64_t nentries, Long64_t firstentry)
1036 // Start analysis for this manager. Analysis task can be: LOCAL, PROOF, GRID or
1037 // MIX. Process nentries starting from firstentry
1039 Error("StartAnalysis","Analysis manager was not initialized !");
1042 if (fDebug > 0) printf("StartAnalysis %s\n",GetName());
1043 TString anaType = type;
1045 fMode = kLocalAnalysis;
1046 Bool_t runlocalinit = kTRUE;
1047 if (anaType.Contains("file")) runlocalinit = kFALSE;
1048 if (anaType.Contains("proof")) fMode = kProofAnalysis;
1049 else if (anaType.Contains("grid")) fMode = kGridAnalysis;
1050 else if (anaType.Contains("mix")) fMode = kMixingAnalysis;
1052 if (fMode == kGridAnalysis) {
1053 if (!fGridHandler) {
1054 Error("StartAnalysis", "Cannot start grid analysis without a grid handler.");
1055 Info("===", "Add an AliAnalysisAlien object as plugin for this manager and configure it.");
1058 // Write analysis manager in the analysis file
1059 cout << "===== RUNNING GRID ANALYSIS: " << GetName() << endl;
1060 // run local task configuration
1061 TIter nextTask(fTasks);
1062 AliAnalysisTask *task;
1063 while ((task=(AliAnalysisTask*)nextTask())) {
1066 fGridHandler->StartAnalysis(nentries, firstentry);
1068 // Terminate grid analysis
1069 if (fSelector && fSelector->GetStatus() == -1) return;
1070 if (fGridHandler->GetRunMode() == AliAnalysisGrid::kOffline) return;
1071 cout << "===== MERGING OUTPUTS REGISTERED BY YOUR ANALYSIS JOB: " << GetName() << endl;
1072 if (!fGridHandler->MergeOutputs()) {
1073 // Return if outputs could not be merged or if it alien handler
1074 // was configured for offline mode or local testing.
1077 ImportWrappers(NULL);
1082 SetEventLoop(kFALSE);
1083 // Enable event loop mode if a tree was provided
1084 if (tree || fMode==kMixingAnalysis) SetEventLoop(kTRUE);
1087 TString ttype = "TTree";
1088 if (tree && tree->IsA() == TChain::Class()) {
1089 chain = (TChain*)tree;
1090 if (!chain || !chain->GetListOfFiles()->First()) {
1091 Error("StartAnalysis", "Cannot process null or empty chain...");
1097 // Initialize locally all tasks (happens for all modes)
1099 AliAnalysisTask *task;
1101 while ((task=(AliAnalysisTask*)next())) {
1107 case kLocalAnalysis:
1109 TIter nextT(fTasks);
1110 // Call CreateOutputObjects for all tasks
1111 while ((task=(AliAnalysisTask*)nextT())) {
1112 TDirectory *curdir = gDirectory;
1113 task->CreateOutputObjects();
1114 if (curdir) curdir->cd();
1120 // Run tree-based analysis via AliAnalysisSelector
1121 cout << "===== RUNNING LOCAL ANALYSIS " << GetName() << " ON TREE " << tree->GetName() << endl;
1122 fSelector = new AliAnalysisSelector(this);
1123 tree->Process(fSelector, "", nentries, firstentry);
1125 case kProofAnalysis:
1126 if (!gROOT->GetListOfProofs() || !gROOT->GetListOfProofs()->GetEntries()) {
1127 printf("StartAnalysis: no PROOF!!!\n");
1130 sprintf(line, "gProof->AddInput((TObject*)0x%lx);", (ULong_t)this);
1131 gROOT->ProcessLine(line);
1134 cout << "===== RUNNING PROOF ANALYSIS " << GetName() << " ON CHAIN " << chain->GetName() << endl;
1135 chain->Process("AliAnalysisSelector", "", nentries, firstentry);
1137 printf("StartAnalysis: no chain\n");
1142 Warning("StartAnalysis", "GRID analysis mode not implemented. Running local.");
1144 case kMixingAnalysis:
1145 // Run event mixing analysis
1147 Error("StartAnalysis", "Cannot run event mixing without event pool");
1150 cout << "===== RUNNING EVENT MIXING ANALYSIS " << GetName() << endl;
1151 fSelector = new AliAnalysisSelector(this);
1152 while ((chain=fEventPool->GetNextChain())) {
1154 // Call NotifyBinChange for all tasks
1155 while ((task=(AliAnalysisTask*)next()))
1156 if (!task->IsPostEventLoop()) task->NotifyBinChange();
1157 chain->Process(fSelector);
1159 PackOutput(fSelector->GetOutputList());
1164 //______________________________________________________________________________
1165 void AliAnalysisManager::StartAnalysis(const char *type, const char *dataset, Long64_t nentries, Long64_t firstentry)
1167 // Start analysis for this manager on a given dataset. Analysis task can be:
1168 // LOCAL, PROOF or GRID. Process nentries starting from firstentry.
1170 Error("StartAnalysis","Analysis manager was not initialized !");
1173 if (fDebug > 0) printf("StartAnalysis %s\n",GetName());
1174 TString anaType = type;
1176 if (!anaType.Contains("proof")) {
1177 Error("StartAnalysis", "Cannot process datasets in %s mode. Try PROOF.", type);
1180 fMode = kProofAnalysis;
1182 SetEventLoop(kTRUE);
1183 // Set the dataset flag
1184 TObject::SetBit(kUseDataSet);
1187 // Initialize locally all tasks
1189 AliAnalysisTask *task;
1190 while ((task=(AliAnalysisTask*)next())) {
1194 if (!gROOT->GetListOfProofs() || !gROOT->GetListOfProofs()->GetEntries()) {
1195 printf("StartAnalysis: no PROOF!!!\n");
1198 sprintf(line, "gProof->AddInput((TObject*)0x%lx);", (ULong_t)this);
1199 gROOT->ProcessLine(line);
1200 sprintf(line, "gProof->GetDataSet(\"%s\");", dataset);
1201 if (!gROOT->ProcessLine(line)) {
1202 Error("StartAnalysis", "Dataset %s not found", dataset);
1205 sprintf(line, "gProof->Process(\"%s\", \"AliAnalysisSelector\", \"\", %lld, %lld);",
1206 dataset, nentries, firstentry);
1207 cout << "===== RUNNING PROOF ANALYSIS " << GetName() << " ON DATASET " << dataset << endl;
1208 gROOT->ProcessLine(line);
1211 //______________________________________________________________________________
1212 TFile *AliAnalysisManager::OpenProofFile(const char *filename, const char *option)
1214 // Opens a special output file used in PROOF.
1216 if (fMode!=kProofAnalysis || !fSelector) {
1217 Error("OpenProofFile","Cannot open PROOF file %s",filename);
1220 if (fSpecialOutputLocation.Length()) {
1221 TFile *f = (TFile*)gROOT->GetListOfFiles()->FindObject(filename);
1222 if (!f) f = new TFile(filename, option);
1225 sprintf(line, "TProofOutputFile *pf = new TProofOutputFile(\"%s\");", filename);
1226 if (fDebug > 1) printf("=== %s\n", line);
1227 gROOT->ProcessLine(line);
1228 sprintf(line, "pf->OpenFile(\"%s\");", option);
1229 gROOT->ProcessLine(line);
1231 gROOT->ProcessLine("pf->Print()");
1232 printf(" == proof file name: %s\n", gFile->GetName());
1234 sprintf(line, "((TList*)0x%lx)->Add(pf);",(ULong_t)fSelector->GetOutputList());
1235 if (fDebug > 1) printf("=== %s\n", line);
1236 gROOT->ProcessLine(line);
1240 //______________________________________________________________________________
1241 void AliAnalysisManager::ExecAnalysis(Option_t *option)
1243 // Execute analysis.
1244 static Long64_t ncalls = 0;
1245 Bool_t getsysInfo = ((fNSysInfo>0) && (fMode==kLocalAnalysis))?kTRUE:kFALSE;
1246 if (getsysInfo && ncalls==0) AliSysInfo::AddStamp("Start", (Int_t)ncalls);
1249 Error("ExecAnalysis", "Analysis manager was not initialized !");
1252 AliAnalysisTask *task;
1253 // Check if the top tree is active.
1256 // De-activate all tasks
1257 while ((task=(AliAnalysisTask*)next())) task->SetActive(kFALSE);
1258 AliAnalysisDataContainer *cont = fCommonInput;
1259 if (!cont) cont = (AliAnalysisDataContainer*)fInputs->At(0);
1261 Error("ExecAnalysis","Cannot execute analysis in TSelector mode without at least one top container");
1264 cont->SetData(fTree); // This will notify all consumers
1265 Long64_t entry = fTree->GetTree()->GetReadEntry();
1268 // Call BeginEvent() for optional input/output and MC services
1269 if (fInputEventHandler) fInputEventHandler ->BeginEvent(entry);
1270 if (fOutputEventHandler) fOutputEventHandler ->BeginEvent(entry);
1271 if (fMCtruthEventHandler) fMCtruthEventHandler->BeginEvent(entry);
1273 // Execute the tasks
1274 // TIter next1(cont->GetConsumers());
1275 TIter next1(fTopTasks);
1276 while ((task=(AliAnalysisTask*)next1())) {
1278 cout << " Executing task " << task->GetName() << endl;
1281 task->ExecuteTask(option);
1284 // Call FinishEvent() for optional output and MC services
1285 if (fInputEventHandler) fInputEventHandler ->FinishEvent();
1286 if (fOutputEventHandler) fOutputEventHandler ->FinishEvent();
1287 if (fMCtruthEventHandler) fMCtruthEventHandler->FinishEvent();
1288 // Gather system information if requested
1289 if (getsysInfo && ((ncalls%fNSysInfo)==0))
1290 AliSysInfo::AddStamp(Form("Event#%lld",ncalls),(Int_t)ncalls);
1293 // The event loop is not controlled by TSelector
1295 // Call BeginEvent() for optional input/output and MC services
1296 if (fInputEventHandler) fInputEventHandler ->BeginEvent(-1);
1297 if (fOutputEventHandler) fOutputEventHandler ->BeginEvent(-1);
1298 if (fMCtruthEventHandler) fMCtruthEventHandler->BeginEvent(-1);
1299 TIter next2(fTopTasks);
1300 while ((task=(AliAnalysisTask*)next2())) {
1301 task->SetActive(kTRUE);
1303 cout << " Executing task " << task->GetName() << endl;
1305 task->ExecuteTask(option);
1308 // Call FinishEvent() for optional output and MC services
1309 if (fInputEventHandler) fInputEventHandler ->FinishEvent();
1310 if (fOutputEventHandler) fOutputEventHandler ->FinishEvent();
1311 if (fMCtruthEventHandler) fMCtruthEventHandler->FinishEvent();
1314 //______________________________________________________________________________
1315 void AliAnalysisManager::FinishAnalysis()
1320 //______________________________________________________________________________
1321 void AliAnalysisManager::SetInputEventHandler(AliVEventHandler* handler)
1323 // Set the input event handler and create a container for it.
1324 fInputEventHandler = handler;
1325 fCommonInput = CreateContainer("cAUTO_INPUT", TChain::Class(), AliAnalysisManager::kInputContainer);
1326 Warning("SetInputEventHandler", " An automatic input container for the input chain was created.\nPlease use: mgr->GetCommonInputContainer() to access it.");
1329 //______________________________________________________________________________
1330 void AliAnalysisManager::SetOutputEventHandler(AliVEventHandler* handler)
1332 // Set the input event handler and create a container for it.
1333 fOutputEventHandler = handler;
1334 fCommonOutput = CreateContainer("cAUTO_OUTPUT", TTree::Class(), AliAnalysisManager::kOutputContainer, "default");
1335 fCommonOutput->SetSpecialOutput();
1336 Warning("SetOutputEventHandler", " An automatic output container for the output tree was created.\nPlease use: mgr->GetCommonOutputContainer() to access it.");
1339 //______________________________________________________________________________
1340 void AliAnalysisManager::RegisterExtraFile(const char *fname)
1342 // This method is used externally to register output files which are not
1343 // connected to any output container, so that the manager can properly register,
1344 // retrieve or merge them when running in distributed mode. The file names are
1345 // separated by blancs. The method has to be called in MyAnalysisTask::LocalInit().
1346 if (fExtraFiles.Length()) fExtraFiles += " ";
1347 fExtraFiles += fname;
1350 //______________________________________________________________________________
1351 Bool_t AliAnalysisManager::GetFileFromWrapper(const char *filename, TList *source)
1353 // Copy a file from the location specified ina the wrapper with the same name from the source list.
1354 char full_path[512];
1356 TObject *pof = source->FindObject(filename);
1357 if (!pof || !pof->InheritsFrom("TProofOutputFile")) {
1358 Error("GetFileFromWrapper", "TProofOutputFile object not found in output list for file %s", filename);
1361 gROOT->ProcessLine(Form("sprintf((char*)0x%lx, \"%%s\", ((TProofOutputFile*)0x%lx)->GetOutputFileName();)", full_path, pof));
1362 gROOT->ProcessLine(Form("sprintf((char*)0x%lx, \"%%s\", gProof->GetUrl();)", ch_url));
1363 TString clientUrl(ch_url);
1364 TString full_path_str(full_path);
1365 if (clientUrl.Contains("localhost")){
1366 TObjArray* array = full_path_str.Tokenize ( "//" );
1367 TObjString *strobj = ( TObjString *)array->At(1);
1368 TObjArray* arrayPort = strobj->GetString().Tokenize ( ":" );
1369 TObjString *strobjPort = ( TObjString *) arrayPort->At(1);
1370 full_path_str.ReplaceAll(strobj->GetString().Data(),"localhost:PORT");
1371 full_path_str.ReplaceAll(":PORT",Form(":%s",strobjPort->GetString().Data()));
1372 if (fDebug > 1) Info("GetFileFromWrapper","Using tunnel from %s to %s",full_path_str.Data(),filename);
1377 Info("GetFileFromWrapper","Copying file %s from PROOF scratch space", full_path_str.Data());
1378 Bool_t gotit = TFile::Cp(full_path_str.Data(), filename);
1380 Error("GetFileFromWrapper", "Could not get file %s from proof scratch space", filename);
1384 //______________________________________________________________________________
1385 void AliAnalysisManager::GetAnalysisTypeString(TString &type) const
1387 // Fill analysis type in the provided string.
1389 case kLocalAnalysis:
1392 case kProofAnalysis:
1398 case kMixingAnalysis: