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Reference Guide
TProofChain.cxx
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1 
2 // @(#)root/proof:$Id$
3 // Author: G. Ganis Nov 2006
4 
5 /*************************************************************************
6  * Copyright (C) 1995-2005, Rene Brun and Fons Rademakers. *
7  * All rights reserved. *
8  * *
9  * For the licensing terms see $ROOTSYS/LICENSE. *
10  * For the list of contributors see $ROOTSYS/README/CREDITS. *
11  *************************************************************************/
12 
13 //////////////////////////////////////////////////////////////////////////
14 // //
15 // TProofChain //
16 // //
17 // A TChain proxy on PROOF. //
18 // Uses an internal TDSet to handle processing. //
19 // //
20 //////////////////////////////////////////////////////////////////////////
21 
22 #include "TProofChain.h"
23 #include "TDSet.h"
24 #include "TList.h"
25 #include "TProof.h"
26 #include "TROOT.h"
27 #include "TEventList.h"
28 #include "TEntryList.h"
29 
31 
32 ////////////////////////////////////////////////////////////////////////////////
33 /// Crates a new PROOF chain proxy.
34 
36 {
37  fChain = 0;
38  fTree = 0;
39  fSet = 0;
40  fDirectory = gDirectory;
41  ResetBit(kOwnsChain);
42 }
43 
44 ////////////////////////////////////////////////////////////////////////////////
45 /// Crates a new PROOF chain proxy containing the files from the chain.
46 
47 TProofChain::TProofChain(TChain *chain, Bool_t gettreeheader) : TChain()
48 {
49  fChain = chain;
50  fTree = 0;
51  fSet = chain ? new TDSet((const TChain &)(*chain)) : 0;
53  if (gProof) {
54  gProof->AddChain(chain);
55  ConnectProof();
56  if (gProof->IsLite()) {
58  fTree = fChain;
59  } else {
60  if (gettreeheader && fSet)
62  }
63  }
65  fEntryList = (chain) ? chain->GetEntryList() : 0;
66  fEventList = (chain) ? chain->GetEventList() : 0;
67 }
68 
69 ////////////////////////////////////////////////////////////////////////////////
70 /// Creates a new PROOF chain proxy containing the files from the dset.
71 
72 TProofChain::TProofChain(TDSet *dset, Bool_t gettreeheader) : TChain()
73 {
74  fChain = 0;
75  fTree = 0;
76  fSet = dset;
78  if (gProof) {
79  ConnectProof();
80  if (gettreeheader && dset)
81  fTree = gProof->GetTreeHeader(dset);
82  if (gProof->IsLite())
84  }
85  if (fTree && fSet) {
86  fChain = new TChain(fTree->GetName());
88  TDSetElement *e = 0;
89  while ((e = (TDSetElement *) nxe())) {
90  fChain->AddFile(e->GetName());
91  }
93  if (TestBit(kProofLite))
94  fTree = fChain;
95  }
96  TObject *en = (dset) ? dset->GetEntryList() : 0;
97  if (en) {
98  if (en->InheritsFrom("TEntryList")) {
99  fEntryList = (TEntryList *) en;
100  } else {
101  fEventList = (TEventList *) en;
102  }
103  }
104 }
105 
106 ////////////////////////////////////////////////////////////////////////////////
107 /// Destructor.
108 
110 {
111  if (fChain) {
112  SafeDelete(fSet);
113  // Remove the chain from the private lists in the TProof objects
114  TIter nxp(gROOT->GetListOfSockets());
115  TObject *o = 0;
116  TProof *p = 0;
117  while ((o = nxp()))
118  if ((p = dynamic_cast<TProof *>(o)))
119  p->RemoveChain(fChain);
120  if (fTree == fChain) fTree = 0;
121  if (TestBit(kOwnsChain)) {
123  } else {
124  fChain = 0;
125  }
126  } else {
127  // Not owner
128  fSet = 0;
129  }
130  SafeDelete(fTree);
131  fDirectory = 0;
132 
133 }
134 
135 ////////////////////////////////////////////////////////////////////////////////
136 /// Forwards the execution to the dummy tree header.
137 /// See TTree::Browse().
138 
140 {
141  fSet->Browse(b);
142 }
143 
144 ////////////////////////////////////////////////////////////////////////////////
145 /// Forwards the execution to the TDSet.
146 /// Returns -1 in case of error or number of selected events in case of success.
147 /// See TDSet::Browse().
148 
149 Long64_t TProofChain::Draw(const char *varexp, const TCut &selection,
150  Option_t *option, Long64_t nentries, Long64_t firstentry)
151 {
152  if (!gProof) {
153  Error("Draw", "no active PROOF session");
154  return -1;
155  }
156  ConnectProof();
157 
158  fReadEntry = firstentry;
159 
160  // Set either the entry-list (priority) or the event-list
161  if (fEntryList) {
163  } else if (fEventList) {
165  } else {
166  // Disable previous settings, if any
167  fSet->SetEntryList(0);
168  }
169 
170  // Fill drawing attributes
172 
173  // Add alias information, if any
174  AddAliases();
175 
176  Long64_t rv = fSet->Draw(varexp, selection, option, nentries, firstentry);
177  return rv;
178 }
179 
180 ////////////////////////////////////////////////////////////////////////////////
181 /// Forwards the execution to the TDSet.
182 /// Returns -1 in case of error or number of selected events in case of success.
183 /// See TDSet::Browse().
184 
185 Long64_t TProofChain::Draw(const char *varexp, const char *selection,
186  Option_t *option,Long64_t nentries, Long64_t firstentry)
187 {
188  if (!gProof) {
189  Error("Draw", "no active PROOF session");
190  return -1;
191  }
192  ConnectProof();
193 
194  fReadEntry = firstentry;
195 
196  // Set either the entry-list (priority) or the event-list
197  if (fEntryList) {
199  } else if (fEventList) {
201  } else {
202  // Disable previous settings, if any
203  fSet->SetEntryList(0);
204  }
205 
206  // Fill drawing attributes
208 
209  // Add alias information, if any
210  AddAliases();
211 
212  Long64_t rv = fSet->Draw(varexp, selection, option, nentries, firstentry);
213  return rv;
214 }
215 
216 ////////////////////////////////////////////////////////////////////////////////
217 /// Aliases are added to the input list. The names are comma-separated in the
218 /// TNamed 'PROOF_ListOfAliases'. For each name, there is an trey named 'alias:<name>'.
219 
221 {
222  TList *al = fChain->GetListOfAliases();
223  if (al && al->GetSize() > 0) {
224  TIter nxa(al);
225  TNamed *nm = 0, *nmo = 0;
226  TString names, nma;
227  while ((nm = (TNamed *)nxa())) {
228  names += nm->GetName();
229  names += ",";
230  nma.Form("alias:%s", nm->GetName());
231  nmo = (TNamed *)((gProof->GetInputList()) ? gProof->GetInputList()->FindObject(nma) : 0);
232  if (nmo) {
233  nmo->SetTitle(nm->GetTitle());
234  } else {
235  gProof->AddInput(new TNamed(nma.Data(), nm->GetTitle()));
236  }
237  }
238  nmo = (TNamed *)((gProof->GetInputList()) ? gProof->GetInputList()->FindObject("PROOF_ListOfAliases") : 0);
239  if (nmo) {
240  nmo->SetTitle(names.Data());
241  } else {
242  gProof->AddInput(new TNamed("PROOF_ListOfAliases", names.Data()));
243  }
244  }
245 }
246 
247 ////////////////////////////////////////////////////////////////////////////////
248 /// Communicate the drawing attributes for this chain to the input list
249 /// so that the draw selectors can use them, in case of need.
250 /// The drawing attributes are:
251 ///
252 /// LineColor Line color
253 /// LineStyle Line style
254 /// LineWidth Line width
255 /// MarkerColor Marker color index
256 /// MarkerSize Marker size
257 /// MarkerStyle Marker style
258 /// FillColor Area fill color
259 /// FillStyle Area fill style
260 
262 {
263  if (!p || !fChain) {
264  Error("FillDrawAttributes", "invalid PROOF or mother chain pointers!");
265  return;
266  }
267 
268  // Weight
269  p->SetParameter("PROOF_ChainWeight", fChain->GetWeight());
270 
271  // Line Attributes
272  p->SetParameter("PROOF_LineColor", (Int_t) fChain->GetLineColor());
273  p->SetParameter("PROOF_LineStyle", (Int_t) fChain->GetLineStyle());
274  p->SetParameter("PROOF_LineWidth", (Int_t) fChain->GetLineWidth());
275 
276  // Marker Attributes
277  p->SetParameter("PROOF_MarkerColor", (Int_t) fChain->GetMarkerColor());
278  p->SetParameter("PROOF_MarkerSize", (Int_t) fChain->GetMarkerSize()*1000);
279  p->SetParameter("PROOF_MarkerStyle", (Int_t) fChain->GetMarkerStyle());
280 
281  // Area fill attributes
282  p->SetParameter("PROOF_FillColor", (Int_t) fChain->GetFillColor());
283  p->SetParameter("PROOF_FillStyle", (Int_t) fChain->GetFillStyle());
284 
285  if (gDebug > 0) {
286  Info("FillDrawAttributes","line: color:%d, style:%d, width:%d",
288  Info("FillDrawAttributes","marker: color:%d, style:%d, size:%f",
290  Info("FillDrawAttributes","area: color:%d, style:%d",
292  }
293 }
294 
295 ////////////////////////////////////////////////////////////////////////////////
296 /// Forwards the execution to the dummy tree header.
297 /// See TTree::FindBranch().
298 
299 TBranch *TProofChain::FindBranch(const char* branchname)
300 {
301  return (fTree ? fTree->FindBranch(branchname) : (TBranch *)0);
302 }
303 
304 ////////////////////////////////////////////////////////////////////////////////
305 /// Forwards the execution to the dummy tree header.
306 /// See TTree::FindLeaf().
307 
308 TLeaf *TProofChain::FindLeaf(const char* searchname)
309 {
310  return (fTree ? fTree->FindLeaf(searchname) : (TLeaf *)0);
311 }
312 
313 ////////////////////////////////////////////////////////////////////////////////
314 /// Forwards the execution to the dummy tree header.
315 /// See TTree::GetBranch().
316 
318 {
319  return (fTree ? fTree->GetBranch(name) : (TBranch *)0);
320 }
321 
322 ////////////////////////////////////////////////////////////////////////////////
323 /// Forwards the execution to the dummy tree header.
324 /// See TTree::GetBranchStatus().
325 
326 Bool_t TProofChain::GetBranchStatus(const char *branchname) const
327 {
328  return (fTree ? fTree->GetBranchStatus(branchname) : kFALSE);
329 }
330 
331 ////////////////////////////////////////////////////////////////////////////////
332 /// Forwards the execution to the dummy tree header.
333 /// See TTree::GetPlayer().
334 
336 {
337  return (fTree ? fTree->GetPlayer() : (TVirtualTreePlayer *)0);
338 }
339 
340 ////////////////////////////////////////////////////////////////////////////////
341 /// Forwards the execution to the TDSet.
342 /// The return value is -1 in case of error and TSelector::GetStatus() in
343 /// in case of success.
344 /// See TDSet::Process().
345 
346 Long64_t TProofChain::Process(const char *filename, Option_t *option,
347  Long64_t nentries, Long64_t firstentry)
348 {
349  // Set either the entry-list (priority) or the event-list
350  TObject *enl = 0;
351  if (fEntryList) {
352  enl = fEntryList;
353  } else if (fEventList) {
354  enl = fEventList;
355  }
356 
357  return fSet->Process(filename, option, nentries, firstentry, enl);
358 }
359 
360 ////////////////////////////////////////////////////////////////////////////////
361 /// The return value is -1 in case of error and TSelector::GetStatus() in
362 /// in case of success.
363 
365  Long64_t nentries, Long64_t firstentry)
366 {
367  // Set either the entry-list (priority) or the event-list
368  TObject *enl = 0;
369  if (fEntryList) {
370  enl = fEntryList;
371  } else if (fEventList) {
372  enl = fEventList;
373  }
374 
375  return fSet->Process(selector, option, nentries, firstentry, enl);
376 }
377 
378 ////////////////////////////////////////////////////////////////////////////////
379 /// See TTree::SetDebug
380 
382 {
383  TTree::SetDebug(level, min, max);
384 }
385 
386 ////////////////////////////////////////////////////////////////////////////////
387 /// See TTree::GetName.
388 
389 void TProofChain::SetName(const char *name)
390 {
391  TTree::SetName(name);
392 }
393 
394 ////////////////////////////////////////////////////////////////////////////////
395 /// Returns the total number of entries in the TProofChain, which is
396 /// the number of entries in the TDSet that it holds.
397 
399 {
400  // this was used for holding the total number of entries
401  if (TestBit(kProofLite)) {
402  return (fTree ? fTree->GetEntries() : (Long64_t)(-1));
403  } else {
404  return (fTree ? fTree->GetMaxEntryLoop() : (Long64_t)(-1));
405  }
406 }
407 
408 ////////////////////////////////////////////////////////////////////////////////
409 /// See TTree::GetEntries(const char *selection)
410 /// Not implemented in TProofChain. Shouldn't be used.
411 
412 Long64_t TProofChain::GetEntries(const char *selection)
413 {
414  if (TestBit(kProofLite)) {
415  return (fTree ? fTree->GetEntries(selection) : (Long64_t)(-1));
416  } else {
417  Warning("GetEntries", "GetEntries(selection) not yet implemented");
418  return ((Long64_t)(-1));
419  }
420 }
421 
422 ////////////////////////////////////////////////////////////////////////////////
423 /// Changes the number of processed entries.
424 
426 {
427  if (gROOT->IsInterrupted() && gProof)
429  if (total) { }
430 
431  fReadEntry = processed;
432 }
433 
434 ////////////////////////////////////////////////////////////////////////////////
435 /// Returns the number of processed entries.
436 
438 {
439  return fReadEntry;
440 }
441 
442 ////////////////////////////////////////////////////////////////////////////////
443 /// Releases PROOF. Disconnect the "progress" signal.
444 
446 {
447  if (!gProof)
448  return;
449  gProof->Disconnect("Progress(Long64_t,Long64_t)",
450  this, "Progress(Long64_t,Long64_t)");
451 }
452 
453 ////////////////////////////////////////////////////////////////////////////////
454 /// Connects the proof "Progress" signal.
455 
457 {
458  if (gProof)
459  gProof->Connect("Progress(Long64_t,Long64_t)", "TProofChain",
460  this, "Progress(Long64_t,Long64_t)");
461 }
virtual TBranch * FindBranch(const char *name)
Return the branch that correspond to the path &#39;branchname&#39;, which can include the name of the tree or...
Definition: TTree.cxx:4558
virtual const char * GetName() const
Returns name of object.
Definition: TNamed.h:51
A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.
Definition: TLeaf.h:37
virtual void Info(const char *method, const char *msgfmt,...) const
Issue info message.
Definition: TObject.cxx:899
TChain * fChain
Definition: TProofChain.h:44
long long Long64_t
Definition: RtypesCore.h:69
void RemoveChain(TChain *chain)
Remove chain from data set.
Definition: TProof.cxx:10203
virtual Bool_t GetBranchStatus(const char *branchname) const
Forwards the execution to the dummy tree header.
const char Option_t
Definition: RtypesCore.h:62
virtual Long64_t Process(TSelector *selector, Option_t *option="", Long64_t nentries=-1, Long64_t firstentry=0, TObject *enl=0)
Process TDSet on currently active PROOF session.
Definition: TDSet.cxx:900
Bool_t TestBit(UInt_t f) const
Definition: TObject.h:157
This class implements a data set to be used for PROOF processing.
Definition: TDSet.h:153
virtual TEntryList * GetEntryList()
Returns the entry list, set to this tree.
Definition: TTree.cxx:5419
void SetParameter(const char *par, const char *value)
Set input list parameter.
Definition: TProof.cxx:9794
virtual void SetDebug(Int_t level=1, Long64_t min=0, Long64_t max=9999999)
See TTree::SetDebug.
TDirectory * fDirectory
! Pointer to directory holding this tree
Definition: TTree.h:133
#define gROOT
Definition: TROOT.h:364
Basic string class.
Definition: TString.h:137
virtual void Browse(TBrowser *b)
Browse object. May be overridden for another default action.
Definition: TObject.cxx:179
virtual TList * GetListOfAliases() const
Definition: TTree.h:420
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual Long64_t GetMaxEntryLoop() const
Definition: TTree.h:426
virtual void ConnectProof()
Connects the proof "Progress" signal.
const Bool_t kFALSE
Definition: Rtypes.h:92
virtual Long64_t Process(const char *filename, Option_t *option="", Long64_t nentries=TTree::kMaxEntries, Long64_t firstentry=0)
Forwards the execution to the TDSet.
TVirtualTreePlayer * GetPlayer()
Load the TTreePlayer (if not already done).
Definition: TTree.cxx:5859
virtual TBranch * GetBranch(const char *name)
Forwards the execution to the dummy tree header.
TTree * fTree
! Pointer to current tree (Note: We do not own this tree.)
Definition: TChain.h:43
virtual Width_t GetLineWidth() const
Return the line width.
Definition: TAttLine.h:41
virtual void Progress(Long64_t total, Long64_t processed)
Changes the number of processed entries.
TList * GetListOfElements() const
Definition: TDSet.h:231
Bool_t IsLite() const
Definition: TProof.h:963
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
Definition: TObject.cxx:739
virtual TObject * FindObject(const char *name) const
Find an object in this list using its name.
Definition: TList.cxx:497
virtual Style_t GetMarkerStyle() const
Return the marker style.
Definition: TAttMarker.h:37
virtual void Browse(TBrowser *b)
Forwards the execution to the dummy tree header.
Manages an element of a TDSet.
Definition: TDSet.h:68
virtual Style_t GetLineStyle() const
Return the line style.
Definition: TAttLine.h:40
#define SafeDelete(p)
Definition: RConfig.h:507
void StopProcess(Bool_t abort, Int_t timeout=-1)
Send STOPPROCESS message to master and workers.
Definition: TProof.cxx:6196
TObject * GetEntryList() const
Definition: TDSet.h:251
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:33
void FillDrawAttributes(TProof *p)
Communicate the drawing attributes for this chain to the input list so that the draw selectors can us...
virtual Size_t GetMarkerSize() const
Return the marker size.
Definition: TAttMarker.h:38
virtual void ReleaseProof()
Releases PROOF. Disconnect the "progress" signal.
A specialized string object used for TTree selections.
Definition: TCut.h:27
A doubly linked list.
Definition: TList.h:47
virtual TBranch * GetBranch(const char *name)
Return pointer to the branch with the given name in this tree or its friends.
Definition: TTree.cxx:4869
void AddChain(TChain *chain)
Add chain to data set.
Definition: TProof.cxx:10195
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:41
Bool_t Connect(const char *signal, const char *receiver_class, void *receiver, const char *slot)
Non-static method is used to connect from the signal of this object to the receiver slot...
Definition: TQObject.cxx:1137
TEntryList * fEntryList
! Pointer to event selection list (if one)
Definition: TTree.h:138
virtual Long64_t Draw(const char *varexp, const TCut &selection, Option_t *option="", Long64_t nentries=TTree::kMaxEntries, Long64_t firstentry=0)
Forwards the execution to the TDSet.
TProofChain()
Crates a new PROOF chain proxy.
Definition: TProofChain.cxx:35
Long64_t fReadEntry
! Number of the entry being processed
Definition: TTree.h:123
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
Definition: TObject.cxx:488
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Definition: TString.cxx:2322
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition: TObject.cxx:925
virtual void SetName(const char *name)
See TTree::GetName.
A TEventList object is a list of selected events (entries) in a TTree.
Definition: TEventList.h:33
virtual TLeaf * FindLeaf(const char *name)
Find leaf..
Definition: TTree.cxx:4630
virtual Long64_t Draw(const char *varexp, const char *selection, Option_t *option="", Long64_t nentries=-1, Long64_t firstentry=0)
Draw expression varexp for specified entries.
Definition: TDSet.cxx:1482
TEventList * fEventList
! Pointer to event selection list (if one)
Definition: TTree.h:137
virtual Bool_t GetBranchStatus(const char *branchname) const
Return status of branch with name branchname.
Definition: TTree.cxx:4965
void AddInput(TObject *obj)
Add objects that might be needed during the processing of the selector (see Process()).
Definition: TProof.cxx:9706
virtual Int_t AddFile(const char *name, Long64_t nentries=TTree::kMaxEntries, const char *tname="")
Add a new file to this chain.
Definition: TChain.cxx:437
virtual Color_t GetLineColor() const
Return the line color.
Definition: TAttLine.h:39
virtual void SetDebug(Int_t level=1, Long64_t min=0, Long64_t max=9999999)
Set the debug level and the debug range.
Definition: TTree.cxx:8288
static unsigned int total
TVirtualTreePlayer * GetPlayer()
Forwards the execution to the dummy tree header.
TList * GetInputList()
Get input list.
Definition: TProof.cxx:9725
R__EXTERN TProof * gProof
Definition: TProof.h:1107
#define ClassImp(name)
Definition: Rtypes.h:279
virtual ~TProofChain()
Destructor.
virtual TBranch * FindBranch(const char *name)
Forwards the execution to the dummy tree header.
virtual void SetEntryList(TObject *aList)
Set entry (or event) list for this data set.
Definition: TDSet.cxx:1875
TNamed()
Definition: TNamed.h:40
This class controls a Parallel ROOT Facility, PROOF, cluster.
Definition: TProof.h:346
int nentries
Definition: THbookFile.cxx:89
virtual Color_t GetFillColor() const
Return the fill area color.
Definition: TAttFill.h:35
Bool_t Disconnect(const char *signal=0, void *receiver=0, const char *slot=0)
Disconnects signal of this object from slot of receiver.
Definition: TQObject.cxx:1295
you should not use this method at all Int_t Int_t Double_t Double_t Double_t e
Definition: TRolke.cxx:630
virtual Double_t GetWeight() const
Return the chain weight.
Definition: TChain.cxx:1180
virtual TTree * GetTreeHeader(TDSet *tdset)
Creates a tree header (a tree with nonexisting files) object for the DataSet.
Definition: TProof.cxx:10014
virtual Long64_t GetEntries() const
Definition: TTree.h:393
virtual Long64_t GetReadEntry() const
Returns the number of processed entries.
Mother of all ROOT objects.
Definition: TObject.h:37
void AddAliases()
Aliases are added to the input list.
Abstract base class defining the interface for the plugins that implement Draw, Scan, Process, MakeProxy, etc.
TChain()
Default constructor.
Definition: TChain.cxx:62
A chain is a collection of files containg TTree objects.
Definition: TChain.h:35
virtual Long64_t GetEntries() const
Returns the total number of entries in the TProofChain, which is the number of entries in the TDSet t...
TDSet * fSet
Definition: TProofChain.h:45
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
Definition: TRolke.cxx:630
R__EXTERN Int_t gDebug
Definition: Rtypes.h:128
#define gDirectory
Definition: TDirectory.h:221
void ResetBit(UInt_t f)
Definition: TObject.h:156
TEventList * GetEventList() const
Definition: TTree.h:403
virtual Color_t GetMarkerColor() const
Return the marker color.
Definition: TAttMarker.h:36
virtual Style_t GetFillStyle() const
Return the fill area style.
Definition: TAttFill.h:36
virtual Int_t GetSize() const
Definition: TCollection.h:95
A TTree is a list of TBranches.
Definition: TBranch.h:58
A TSelector object is used by the TTree::Draw, TTree::Scan, TTree::Process to navigate in a TTree and...
Definition: TSelector.h:39
const Bool_t kTRUE
Definition: Rtypes.h:91
A List of entry numbers in a TTree or TChain.
Definition: TEntryList.h:27
char name[80]
Definition: TGX11.cxx:109
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
Definition: TObject.cxx:911
virtual void SetName(const char *name)
Change the name of this tree.
Definition: TTree.cxx:8531
virtual TLeaf * FindLeaf(const char *name)
Forwards the execution to the dummy tree header.
virtual const char * GetTitle() const
Returns title of object.
Definition: TNamed.h:52
const char * Data() const
Definition: TString.h:349