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();
104 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);
131 fIsSelectedResult = 0;
132 if (fEventCuts && !IsUserCallSelectionMask())
133 fIsSelectedResult = fEventCuts->GetSelectionMask((AliESDEvent*)fEvent);
136 ((AliESDEvent*)fEvent)->SetESDfriend(fFriend);
139 if (fMixingHandler) fMixingHandler->BeginEvent(entry);
140 if (fUseTags && fRunTag) {
142 if (entry >= fRunTag->GetNEvents()) {
143 AliError(Form("Current event %d does not match max range from run tag: 0-%d", (Int_t)entry, fRunTag->GetNEvents()));
146 fEventTag = fRunTag->GetEventTag(entry);
151 //______________________________________________________________________________
152 void AliESDInputHandler::CheckSelectionMask()
154 // This method can be called by a task only if IsUserCallSelectionMask is true.
155 if (!fEventCuts || !IsUserCallSelectionMask()) return;
156 fIsSelectedResult = fEventCuts->GetSelectionMask((AliESDEvent*)fEvent);
159 //______________________________________________________________________________
160 Bool_t AliESDInputHandler::FinishEvent()
163 if(fEvent)fEvent->Reset();
164 if (fMixingHandler) fMixingHandler->FinishEvent();
168 //______________________________________________________________________________
169 Bool_t AliESDInputHandler::Notify(const char* path)
171 // Notify a directory change
172 static Bool_t firsttime = kFALSE;
173 AliInfo(Form("Directory change %s \n", path));
175 // Handle the friends first
177 if (!fTree->FindBranch("ESDfriend.") && fReadFriends) {
178 // Try to add ESDfriend. branch as friend
179 TString esdTreeFName, esdFriendTreeFName;
180 esdTreeFName = (fTree->GetCurrentFile())->GetName();
181 esdFriendTreeFName = esdTreeFName;
182 esdFriendTreeFName.ReplaceAll("AliESDs.root", fFriendFileName.Data());
183 TTree* cTree = fTree->GetTree();
184 if (!cTree) cTree = fTree;
185 cTree->AddFriend("esdFriendTree", esdFriendTreeFName.Data());
186 cTree->SetBranchStatus("ESDfriend.", 1);
187 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
188 if (fFriend) cTree->SetBranchAddress("ESDfriend.", &fFriend);
194 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
197 // Get HLTesdTree from current file
198 TTree* cTree = fTree;
199 if (fTree->GetTree()) cTree = fTree->GetTree();
200 TFile* cFile = cTree->GetCurrentFile();
201 cFile->GetObject("HLTesdTree", fHLTTree);
204 if (!fHLTEvent) fHLTEvent = new AliESDEvent();
205 fHLTEvent->ReadFromTree(fHLTTree);
210 if (fMixingHandler) fMixingHandler->Notify(path);
216 // Setup the base path
217 TString pathName(path);
218 Int_t index = pathName.Index("#");
221 pathName = pathName(0,index);
223 pathName = gSystem->DirName(pathName);
225 if (fTree->GetCurrentFile()->GetArchive()) zip = kTRUE;
226 if (pathName.IsNull()) pathName = "./";
227 printf("AliESDInputHandler::Notify() Path: %s\n", pathName.Data());
232 fRunTag = new AliRunTag();
235 const char* tagPattern = "ESD.tag.root";
239 TObjArray* arr = fTree->GetCurrentFile()->GetArchive()->GetMembers();
242 while ((objarchive = next())) {
243 sname = objarchive->GetName();
244 if (sname.Contains(tagPattern)) {
245 tagFilename = pathName;
246 if (index>=0) tagFilename += "#";
247 else tagFilename += "/";
248 tagFilename += sname;
249 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
250 break; // There should be only one such file in the archive
252 } // archive file loop
254 void * dirp = gSystem->OpenDirectory(pathName.Data());
256 sname = gSystem->GetDirEntry(dirp);
257 if (sname.IsNull()) break;
258 if (sname.Contains(tagPattern)) {
259 tagFilename = pathName;
261 tagFilename += sname;
262 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
266 gSystem->FreeDirectory(dirp);
268 if (tagFilename.IsNull()) {
269 if (firsttime) AliWarning(Form("Tag file not found in directory: %s", pathName.Data()));
271 delete fRunTag; fRunTag = 0;
274 TFile *tagfile = TFile::Open(tagFilename);
276 AliError(Form("Cannot open tag file: %s", tagFilename.Data()));
277 delete fRunTag; fRunTag = 0;
280 fTreeT = (TTree*)tagfile->Get("T"); // file is the owner
282 AliError(Form("Cannot get tree of tags from file: %s", tagFilename.Data()));
283 delete fRunTag; fRunTag = 0;
287 fTreeT->SetBranchAddress("AliTAG",&fRunTag);
290 // Notify the mixing handler after the tags are loaded
291 if (fMixingHandler) fMixingHandler->Notify(path);
295 //______________________________________________________________________________
296 Option_t *AliESDInputHandler::GetDataType() const
298 // Returns handled data type.
302 //______________________________________________________________________________
303 Int_t AliESDInputHandler::GetNEventAcceptedInFile()
305 // Get number of events in file accepted by the tag cuts
306 // return -1 if no info is available
308 TList *luo = fTree->GetUserInfo();
310 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
313 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
314 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
315 if (fTagCutSumm) break;
318 AliInfo(Form("No tag summary map in input tree\n"));
323 TObjString *ostr = 0;
324 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
325 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
327 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
331 iTagInfo = strdup(ostr->GetString().Data());
333 Int_t iAcc = atoi(strtok(iTagInfo, ","));
335 AliInfo(Form("Got %i accepted events for file %s", iAcc, fTree->GetCurrentFile()->GetName()));
342 //______________________________________________________________________________
343 Int_t AliESDInputHandler::GetNEventRejectedInFile()
345 // Get number of events in file rejected by the tag cuts
346 // return -1 if no info is available
348 TList *luo = fTree->GetUserInfo();
350 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
353 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
354 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
355 if (fTagCutSumm) break;
358 AliInfo(Form("No tag summary map in input tree\n"));
363 TObjString *ostr = 0;
364 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
365 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
367 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
371 iTagInfo = strdup(ostr->GetString().Data());
373 strtok(iTagInfo, ",");
374 Int_t iRej = atoi(strtok(NULL, ","));
376 AliInfo(Form("Got %i accepted events for file %s", iRej, fTree->GetCurrentFile()->GetName()));
383 //______________________________________________________________________________
384 Bool_t AliESDInputHandler::GetCutSummaryForChain(Int_t *aTotal, Int_t *aAccepted, Int_t *aRejected)
386 // Get number of events in the full chain
387 // Count accepted and rejected events
388 // return kFALSE if no info is available
390 TList *luo = fTree->GetUserInfo();
392 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
395 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
396 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
397 if (fTagCutSumm) break;
400 AliInfo(Form("No tag summary map in input tree\n"));
405 TMapIter *tIter = new TMapIter(fTagCutSumm);
407 Int_t iTotList=0, iAccList=0, iRejList=0;
410 while ((cobj = tIter->Next())) {
411 TObjString *kstr = (TObjString *) cobj;
412 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
413 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
415 iTagInfo = strdup(vstr->GetString().Data());
417 Int_t iAcc = atoi(strtok(iTagInfo, ","));
418 Int_t iRej = atoi(strtok(NULL, ","));
423 iTotList += (iAcc+iRej);
427 *aAccepted = iAccList;
428 *aRejected = iRejList;
433 //______________________________________________________________________________
434 Int_t AliESDInputHandler::GetNFilesEmpty()
436 // Count number of files in which all events were de-selected
437 // For such files Notify() will NOT be called
438 // return -1 if no info is available
440 TList *luo = fTree->GetUserInfo();
442 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
445 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
446 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
447 if (fTagCutSumm) break;
450 AliInfo(Form("No tag summary map in input tree\n"));
455 TMapIter *tIter = new TMapIter(fTagCutSumm);
457 Int_t iFilesEmpty = 0;
460 while ((cobj = tIter->Next())) {
461 TObjString *kstr = (TObjString *) cobj;
462 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
463 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
465 iTagInfo = strdup(vstr->GetString().Data());
467 Int_t iAcc = atoi(strtok(iTagInfo, ","));
468 Int_t iRej = atoi(strtok(NULL, ","));
470 if ((iAcc == 0) && ((iRej+iAcc)>0))
478 //______________________________________________________________________________
479 TObject *AliESDInputHandler::GetStatistics(Option_t *option) const
481 // Get the statistics histogram(s) from the physics selection object. This
482 // should be called during FinishTaskOutput(). Option can be empty (default
483 // statistics histogram) or BIN0.
484 if (!fEventCuts) return NULL;
487 if (opt=="BIN0") return fEventCuts->GetStatistics("BIN0");
488 else return fEventCuts->GetStatistics("ALL");
491 //______________________________________________________________________________
492 void AliESDInputHandler::CreatePIDResponse(Bool_t isMC/*=kFALSE*/)
495 // create the pid response object if it does not exist yet
498 fESDpid=new AliESDpid(isMC);