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);
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 void AliESDInputHandler::ConnectFriends()
162 // Connect the friends tree as soon as available.
164 // Handle the friends first
166 if (!fTree->FindBranch("ESDfriend.")) {
167 // Try to add ESDfriend. branch as friend
168 TString esdFriendTreeFName;
169 esdFriendTreeFName = (fTree->GetCurrentFile())->GetName();
172 if(esdFriendTreeFName.Contains("AliESDs.root")) {
173 esdFriendTreeFName.ReplaceAll("AliESDs.root", fFriendFileName.Data());
174 } else if(esdFriendTreeFName.Contains("AliESDs_wSDD.root")) {
175 esdFriendTreeFName.ReplaceAll("AliESDs_wSDD.root", fFriendFileName.Data());
178 TTree* cTree = fTree->GetTree();
179 if (!cTree) cTree = fTree;
180 cTree->AddFriend("esdFriendTree", esdFriendTreeFName.Data());
181 cTree->SetBranchStatus("ESDfriend.", 1);
182 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
183 if (fFriend) cTree->SetBranchAddress("ESDfriend.", &fFriend);
187 //______________________________________________________________________________
188 Bool_t AliESDInputHandler::FinishEvent()
191 if(fEvent)fEvent->Reset();
192 if (fMixingHandler) fMixingHandler->FinishEvent();
196 //______________________________________________________________________________
197 Bool_t AliESDInputHandler::Notify(const char* path)
199 // Notify a directory change
200 static Bool_t firsttime = kFALSE;
201 AliInfo(Form("Directory change %s \n", path));
203 // Handle the friends first
205 if (fReadFriends) ConnectFriends();
210 fFriend = (AliESDfriend*)(fEvent->FindListObject("AliESDfriend"));
213 // Get HLTesdTree from current file
214 TTree* cTree = fTree;
215 if (fTree->GetTree()) cTree = fTree->GetTree();
216 TFile* cFile = cTree->GetCurrentFile();
217 cFile->GetObject("HLTesdTree", fHLTTree);
220 if (!fHLTEvent) fHLTEvent = new AliESDEvent();
221 fHLTEvent->ReadFromTree(fHLTTree);
226 if (fMixingHandler) fMixingHandler->Notify(path);
232 // Setup the base path
233 TString pathName(path);
234 Int_t index = pathName.Index("#");
237 pathName = pathName(0,index);
239 pathName = gSystem->DirName(pathName);
241 if (fTree->GetCurrentFile()->GetArchive()) zip = kTRUE;
242 if (pathName.IsNull()) pathName = "./";
243 printf("AliESDInputHandler::Notify() Path: %s\n", pathName.Data());
248 fRunTag = new AliRunTag();
251 const char* tagPattern = "ESD.tag.root";
255 TObjArray* arr = fTree->GetCurrentFile()->GetArchive()->GetMembers();
258 while ((objarchive = next())) {
259 sname = objarchive->GetName();
260 if (sname.Contains(tagPattern)) {
261 tagFilename = pathName;
262 if (index>=0) tagFilename += "#";
263 else tagFilename += "/";
264 tagFilename += sname;
265 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
266 break; // There should be only one such file in the archive
268 } // archive file loop
270 void * dirp = gSystem->OpenDirectory(pathName.Data());
272 sname = gSystem->GetDirEntry(dirp);
273 if (sname.IsNull()) break;
274 if (sname.Contains(tagPattern)) {
275 tagFilename = pathName;
277 tagFilename += sname;
278 AliInfo(Form("Tag file found: %s\n", tagFilename.Data()));
282 gSystem->FreeDirectory(dirp);
284 if (tagFilename.IsNull()) {
285 if (firsttime) AliWarning(Form("Tag file not found in directory: %s", pathName.Data()));
287 delete fRunTag; fRunTag = 0;
290 TFile *tagfile = TFile::Open(tagFilename);
292 AliError(Form("Cannot open tag file: %s", tagFilename.Data()));
293 delete fRunTag; fRunTag = 0;
296 fTreeT = (TTree*)tagfile->Get("T"); // file is the owner
298 AliError(Form("Cannot get tree of tags from file: %s", tagFilename.Data()));
299 delete fRunTag; fRunTag = 0;
303 fTreeT->SetBranchAddress("AliTAG",&fRunTag);
306 // Notify the mixing handler after the tags are loaded
307 if (fMixingHandler) fMixingHandler->Notify(path);
311 //______________________________________________________________________________
312 Option_t *AliESDInputHandler::GetDataType() const
314 // Returns handled data type.
318 //______________________________________________________________________________
319 Int_t AliESDInputHandler::GetNEventAcceptedInFile()
321 // Get number of events in file accepted by the tag cuts
322 // return -1 if no info is available
324 TList *luo = fTree->GetUserInfo();
326 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
329 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
330 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
331 if (fTagCutSumm) break;
334 AliInfo(Form("No tag summary map in input tree\n"));
339 TObjString *ostr = 0;
340 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
341 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
343 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
347 iTagInfo = strdup(ostr->GetString().Data());
349 Int_t iAcc = atoi(strtok(iTagInfo, ","));
351 AliInfo(Form("Got %i accepted events for file %s", iAcc, fTree->GetCurrentFile()->GetName()));
358 //______________________________________________________________________________
359 Int_t AliESDInputHandler::GetNEventRejectedInFile()
361 // Get number of events in file rejected by the tag cuts
362 // return -1 if no info is available
364 TList *luo = fTree->GetUserInfo();
366 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
369 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
370 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
371 if (fTagCutSumm) break;
374 AliInfo(Form("No tag summary map in input tree\n"));
379 TObjString *ostr = 0;
380 if (fTagCutSumm->FindObject(fTree->GetCurrentFile()->GetName()))
381 ostr = (TObjString *) fTagCutSumm->GetValue(fTree->GetCurrentFile()->GetName());
383 AliInfo(Form("No tag cut summary for file %s\n", fTree->GetCurrentFile()->GetName()));
387 iTagInfo = strdup(ostr->GetString().Data());
389 strtok(iTagInfo, ",");
390 Int_t iRej = atoi(strtok(NULL, ","));
392 AliInfo(Form("Got %i accepted events for file %s", iRej, fTree->GetCurrentFile()->GetName()));
399 //______________________________________________________________________________
400 Bool_t AliESDInputHandler::GetCutSummaryForChain(Int_t *aTotal, Int_t *aAccepted, Int_t *aRejected)
402 // Get number of events in the full chain
403 // Count accepted and rejected events
404 // return kFALSE if no info is available
406 TList *luo = fTree->GetUserInfo();
408 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
411 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
412 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
413 if (fTagCutSumm) break;
416 AliInfo(Form("No tag summary map in input tree\n"));
421 TMapIter *tIter = new TMapIter(fTagCutSumm);
423 Int_t iTotList=0, iAccList=0, iRejList=0;
426 while ((cobj = tIter->Next())) {
427 TObjString *kstr = (TObjString *) cobj;
428 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
429 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
431 iTagInfo = strdup(vstr->GetString().Data());
433 Int_t iAcc = atoi(strtok(iTagInfo, ","));
434 Int_t iRej = atoi(strtok(NULL, ","));
439 iTotList += (iAcc+iRej);
443 *aAccepted = iAccList;
444 *aRejected = iRejList;
449 //______________________________________________________________________________
450 Int_t AliESDInputHandler::GetNFilesEmpty()
452 // Count number of files in which all events were de-selected
453 // For such files Notify() will NOT be called
454 // return -1 if no info is available
456 TList *luo = fTree->GetUserInfo();
458 AliInfo(Form("No user info in input tree - no tag cut summary\n"));
461 for (int iluo=0; iluo<luo->GetEntries(); iluo++) {
462 fTagCutSumm = dynamic_cast<TMap *>(luo->At(iluo));
463 if (fTagCutSumm) break;
466 AliInfo(Form("No tag summary map in input tree\n"));
471 TMapIter *tIter = new TMapIter(fTagCutSumm);
473 Int_t iFilesEmpty = 0;
476 while ((cobj = tIter->Next())) {
477 TObjString *kstr = (TObjString *) cobj;
478 TObjString *vstr = (TObjString *) fTagCutSumm->GetValue(kstr->GetString().Data());
479 // printf("Got object value %s %s\n", kstr->GetString().Data(), vstr->GetString().Data());
481 iTagInfo = strdup(vstr->GetString().Data());
483 Int_t iAcc = atoi(strtok(iTagInfo, ","));
484 Int_t iRej = atoi(strtok(NULL, ","));
486 if ((iAcc == 0) && ((iRej+iAcc)>0))
494 //______________________________________________________________________________
495 TObject *AliESDInputHandler::GetStatistics(Option_t *option) const
497 // Get the statistics histogram(s) from the physics selection object. This
498 // should be called during FinishTaskOutput(). Option can be empty (default
499 // statistics histogram) or BIN0.
500 if (!fEventCuts) return NULL;
503 if (opt=="BIN0") return fEventCuts->GetStatistics("BIN0");
504 else return fEventCuts->GetStatistics("ALL");
507 //______________________________________________________________________________
508 void AliESDInputHandler::CreatePIDResponse(Bool_t isMC/*=kFALSE*/)
511 // create the pid response object if it does not exist yet
514 fESDpid=new AliESDpid(isMC);