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 //-------------------------------------------------------------------------
19 // Event handler for ESD input
20 // Author: Andreas Morsch, CERN
21 //-------------------------------------------------------------------------
26 #include <TArchiveFile.h>
27 #include <TObjArray.h>
30 #include <TObjString.h>
31 #include <TProcessID.h>
34 #include "AliESDInputHandler.h"
35 #include "AliESDEvent.h"
36 #include "AliESDfriend.h"
39 #include "AliRunTag.h"
40 #include "AliEventTag.h"
42 #include "AliESDpid.h"
44 ClassImp(AliESDInputHandler)
46 static Option_t *gESDDataType = "ESD";
48 //______________________________________________________________________________
49 AliESDInputHandler::AliESDInputHandler() :
50 AliInputEventHandler(),
66 fFriendFileName("AliESDfriends.root")
68 // default constructor
71 //______________________________________________________________________________
72 AliESDInputHandler::~AliESDInputHandler()
75 if (fRunTag) delete fRunTag;
79 //______________________________________________________________________________
80 AliESDInputHandler::AliESDInputHandler(const char* name, const char* title):
81 AliInputEventHandler(name, title), fEvent(0x0), fFriend(0x0), fESDpid(0x0), fAnalysisType(0),
82 fNEvents(0), fHLTEvent(0x0), fHLTTree(0x0), fUseHLT(kFALSE), fTagCutSumm(0x0), fUseTags(kFALSE), fChainT(0), fTreeT(0), fRunTag(0), fEventTag(0), fReadFriends(0), fFriendFileName("AliESDfriends.root")
87 //______________________________________________________________________________
88 Bool_t AliESDInputHandler::Init(TTree* tree, Option_t* opt)
91 // Initialisation necessary for each new tree
96 if (!fTree) return kFALSE;
97 // fTree->GetEntry(0);
100 if (!fEvent) fEvent = new AliESDEvent();
101 fEvent->ReadFromTree(fTree);
102 fNEvents = fTree->GetEntries();
103 if (fReadFriends) ConnectFriends();
105 if (fMixingHandler) fMixingHandler->Init(tree, opt);
109 //______________________________________________________________________________
110 Bool_t AliESDInputHandler::BeginEvent(Long64_t entry)
113 // Copy from old to new format if necessary
114 static Bool_t called = kFALSE;
115 if (!called && fEventCuts && IsUserCallSelectionMask())
116 AliInfo(Form("The ESD input handler expects that the first task calls AliESDInputHandler::CheckSelectionMask() %s", fEventCuts->ClassName()));
117 AliESD* old = ((AliESDEvent*) fEvent)->GetAliESDOld();
119 ((AliESDEvent*)fEvent)->CopyFromOldESD();
124 fHLTTree->GetEntry(entry);
129 static Int_t prevRunNumber = -1;
130 if (prevRunNumber != fEvent->GetRunNumber() && NeedField()) {
131 fEvent->InitMagneticField();
132 prevRunNumber = fEvent->GetRunNumber();
137 fIsSelectedResult = 0;
138 if (fEventCuts && !IsUserCallSelectionMask())
139 fIsSelectedResult = fEventCuts->GetSelectionMask((AliESDEvent*)fEvent);
142 ((AliESDEvent*)fEvent)->SetESDfriend(fFriend);
145 if (fMixingHandler) fMixingHandler->BeginEvent(entry);
146 if (fUseTags && fRunTag) {
148 if (entry >= fRunTag->GetNEvents()) {
149 AliError(Form("Current event %d does not match max range from run tag: 0-%d", (Int_t)entry, fRunTag->GetNEvents()));
152 fEventTag = fRunTag->GetEventTag(entry);
157 //______________________________________________________________________________
158 void AliESDInputHandler::CheckSelectionMask()
160 // This method can be called by a task only if IsUserCallSelectionMask is true.
161 if (!fEventCuts || !IsUserCallSelectionMask()) return;
162 fIsSelectedResult = fEventCuts->GetSelectionMask((AliESDEvent*)fEvent);
165 //______________________________________________________________________________
166 void AliESDInputHandler::ConnectFriends()
168 // Connect the friends tree as soon as available.
170 // Handle the friends first
172 if (!fTree->FindBranch("ESDfriend.")) {
173 // Try to add ESDfriend. branch as friend
174 TString esdFriendTreeFName;
175 esdFriendTreeFName = (fTree->GetCurrentFile())->GetName();
176 TString basename = gSystem->BaseName(esdFriendTreeFName);
177 Int_t index = basename.Index("#")+1;
178 basename.Remove(index);
179 basename += fFriendFileName;
180 TString dirname = gSystem->DirName(esdFriendTreeFName);
182 esdFriendTreeFName = dirname + basename;
184 TTree* cTree = fTree->GetTree();
185 if (!cTree) cTree = fTree;
186 cTree->AddFriend("esdFriendTree", esdFriendTreeFName.Data());
187 cTree->SetBranchStatus("ESDfriend.", 1);
188 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
189 if (fFriend) cTree->SetBranchAddress("ESDfriend.", &fFriend);
193 //______________________________________________________________________________
194 Bool_t AliESDInputHandler::FinishEvent()
197 if(fEvent)fEvent->Reset();
198 if (fMixingHandler) fMixingHandler->FinishEvent();
202 //______________________________________________________________________________
203 Bool_t AliESDInputHandler::Notify(const char* path)
205 // Notify a directory change
206 static Bool_t firsttime = kFALSE;
207 AliInfo(Form("Directory change %s \n", path));
209 // Handle the friends first
211 if (fReadFriends) ConnectFriends();
216 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
217 fUserInfo=fTree->GetTree()->GetUserInfo();
221 // Get HLTesdTree from current file
222 TTree* cTree = fTree;
223 if (fTree->GetTree()) cTree = fTree->GetTree();
224 TFile* cFile = cTree->GetCurrentFile();
225 cFile->GetObject("HLTesdTree", fHLTTree);
228 if (!fHLTEvent) fHLTEvent = new AliESDEvent();
229 fHLTEvent->ReadFromTree(fHLTTree);
234 if (fMixingHandler) fMixingHandler->Notify(path);
240 // Setup the base path
241 TString pathName(path);
242 Int_t index = pathName.Index("#");
245 pathName = pathName(0,index);
247 pathName = gSystem->DirName(pathName);
249 if (fTree->GetCurrentFile()->GetArchive()) zip = kTRUE;
250 if (pathName.IsNull()) pathName = "./";
251 printf("AliESDInputHandler::Notify() Path: %s\n", pathName.Data());
256 fRunTag = new AliRunTag();
259 const char* tagPattern = "ESD.tag.root";
263 TObjArray* arr = fTree->GetCurrentFile()->GetArchive()->GetMembers();
266 while ((objarchive = next())) {
267 sname = objarchive->GetName();
268 if (sname.Contains(tagPattern)) {
269 tagFilename = pathName;
270 if (index>=0) tagFilename += "#";
271 else tagFilename += "/";
272 tagFilename += sname;
273 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
274 break; // There should be only one such file in the archive
276 } // archive file loop
278 void * dirp = gSystem->OpenDirectory(pathName.Data());
280 sname = gSystem->GetDirEntry(dirp);
281 if (sname.IsNull()) break;
282 if (sname.Contains(tagPattern)) {
283 tagFilename = pathName;
285 tagFilename += sname;
286 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
290 gSystem->FreeDirectory(dirp);
292 if (tagFilename.IsNull()) {
293 if (firsttime) AliWarning(Form("Tag file not found in directory: %s", pathName.Data()));
295 delete fRunTag; fRunTag = 0;
298 TFile *tagfile = TFile::Open(tagFilename);
300 AliError(Form("Cannot open tag file: %s", tagFilename.Data()));
301 delete fRunTag; fRunTag = 0;
304 fTreeT = (TTree*)tagfile->Get("T"); // file is the owner
306 AliError(Form("Cannot get tree of tags from file: %s", tagFilename.Data()));
307 delete fRunTag; fRunTag = 0;
311 fTreeT->SetBranchAddress("AliTAG",&fRunTag);
314 // Notify the mixing handler after the tags are loaded
315 if (fMixingHandler) fMixingHandler->Notify(path);
319 //______________________________________________________________________________
320 Option_t *AliESDInputHandler::GetDataType() const
322 // Returns handled data type.
326 //______________________________________________________________________________
327 Int_t AliESDInputHandler::GetNEventAcceptedInFile()
329 // Get number of events in file accepted by the tag cuts
330 // return -1 if no info is available
332 TList *luo = fTree->GetUserInfo();
334 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
337 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
338 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
339 if (fTagCutSumm) break;
342 AliInfo(Form("No tag summary map in input tree\n"));
347 TObjString *ostr = 0;
348 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
349 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
351 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
355 iTagInfo = strdup(ostr->GetString().Data());
357 Int_t iAcc = atoi(strtok(iTagInfo, ","));
359 AliInfo(Form("Got %i accepted events for file %s", iAcc, fTree->GetCurrentFile()->GetName()));
366 //______________________________________________________________________________
367 Int_t AliESDInputHandler::GetNEventRejectedInFile()
369 // Get number of events in file rejected by the tag cuts
370 // return -1 if no info is available
372 TList *luo = fTree->GetUserInfo();
374 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
377 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
378 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
379 if (fTagCutSumm) break;
382 AliInfo(Form("No tag summary map in input tree\n"));
387 TObjString *ostr = 0;
388 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
389 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
391 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
395 iTagInfo = strdup(ostr->GetString().Data());
397 strtok(iTagInfo, ",");
398 Int_t iRej = atoi(strtok(NULL, ","));
400 AliInfo(Form("Got %i accepted events for file %s", iRej, fTree->GetCurrentFile()->GetName()));
407 //______________________________________________________________________________
408 Bool_t AliESDInputHandler::GetCutSummaryForChain(Int_t *aTotal, Int_t *aAccepted, Int_t *aRejected)
410 // Get number of events in the full chain
411 // Count accepted and rejected events
412 // return kFALSE if no info is available
414 TList *luo = fTree->GetUserInfo();
416 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
419 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
420 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
421 if (fTagCutSumm) break;
424 AliInfo(Form("No tag summary map in input tree\n"));
429 TMapIter *tIter = new TMapIter(fTagCutSumm);
431 Int_t iTotList=0, iAccList=0, iRejList=0;
434 while ((cobj = tIter->Next())) {
435 TObjString *kstr = (TObjString *) cobj;
436 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
437 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
439 iTagInfo = strdup(vstr->GetString().Data());
441 Int_t iAcc = atoi(strtok(iTagInfo, ","));
442 Int_t iRej = atoi(strtok(NULL, ","));
447 iTotList += (iAcc+iRej);
451 *aAccepted = iAccList;
452 *aRejected = iRejList;
457 //______________________________________________________________________________
458 Int_t AliESDInputHandler::GetNFilesEmpty()
460 // Count number of files in which all events were de-selected
461 // For such files Notify() will NOT be called
462 // return -1 if no info is available
464 TList *luo = fTree->GetUserInfo();
466 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
469 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
470 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
471 if (fTagCutSumm) break;
474 AliInfo(Form("No tag summary map in input tree\n"));
479 TMapIter *tIter = new TMapIter(fTagCutSumm);
481 Int_t iFilesEmpty = 0;
484 while ((cobj = tIter->Next())) {
485 TObjString *kstr = (TObjString *) cobj;
486 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
487 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
489 iTagInfo = strdup(vstr->GetString().Data());
491 Int_t iAcc = atoi(strtok(iTagInfo, ","));
492 Int_t iRej = atoi(strtok(NULL, ","));
494 if ((iAcc == 0) && ((iRej+iAcc)>0))
502 //______________________________________________________________________________
503 TObject *AliESDInputHandler::GetStatistics(Option_t *option) const
505 // Get the statistics histogram(s) from the physics selection object. This
506 // should be called during FinishTaskOutput(). Option can be empty (default
507 // statistics histogram) or BIN0.
508 if (!fEventCuts) return NULL;
511 if (opt=="BIN0") return fEventCuts->GetStatistics("BIN0");
512 else return fEventCuts->GetStatistics("ALL");
515 //______________________________________________________________________________
516 void AliESDInputHandler::CreatePIDResponse(Bool_t isMC/*=kFALSE*/)
519 // create the pid response object if it does not exist yet
522 fESDpid=new AliESDpid(isMC);