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AthHistogramming Class Reference

#include <AthHistogramming.h>

Inheritance diagram for AthHistogramming:
Collaboration diagram for AthHistogramming:

Public Member Functions

 AthHistogramming (const std::string &name)
 Constructor with parameters: More...
 
virtual ~AthHistogramming ()
 Destructor: More...
 
const ServiceHandle< ITHistSvc > & histSvc () const
 The standard THistSvc (for writing histograms and TTrees and more to a root file) Returns (kind of) a pointer to the THistSvc. More...
 

Protected Member Functions

StatusCode configAthHistogramming (const ServiceHandle< ITHistSvc > &histSvc, const std::string &prefix, const std::string &rootDir, const std::string &histNamePrefix, const std::string &histNamePostfix, const std::string &histTitlePrefix, const std::string &histTitlePostfix)
 To be called by the derived classes to fill the internal configuration. More...
 
TH1 * bookGetPointer (const TH1 &hist, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
TH1 * bookGetPointer (TH1 *hist, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
TH1 * bookGetPointer (TH1 &histRef, std::string tDir="", std::string stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
StatusCode book (const TH1 &hist, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
StatusCode book (TH1 *hist, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
StatusCode book (TH1 &histRef, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of histograms. More...
 
TH1 * hist (const std::string &histName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered histograms of any type. More...
 
TH2 * hist2d (const std::string &histName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered 2-d histograms. More...
 
TH3 * hist3d (const std::string &histName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered 3-d histograms. More...
 
TTree * bookGetPointer (const TTree &treeRef, std::string tDir="", std::string stream="")
 Simplify the booking and registering (into THistSvc) of TTrees. More...
 
StatusCode book (const TTree &treeRef, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TTrees. More...
 
TTree * tree (const std::string &treeName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered TTrees. More...
 
TGraph * bookGetPointer (const TGraph &graphRef, std::string tDir="", std::string stream="")
 Simplify the booking and registering (into THistSvc) of TGraphs. More...
 
StatusCode book (const TGraph &graphRef, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TGraphs. More...
 
TGraph * graph (const std::string &graphName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered TGraphs. More...
 
TEfficiency * bookGetPointer (const TEfficiency &eff, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
TEfficiency * bookGetPointer (TEfficiency *eff, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
TEfficiency * bookGetPointer (TEfficiency &effRef, std::string tDir="", std::string stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
StatusCode book (const TEfficiency &eff, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
StatusCode book (TEfficiency *eff, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
StatusCode book (TEfficiency &effRef, const std::string &tDir="", const std::string &stream="")
 Simplify the booking and registering (into THistSvc) of TEfficiency. More...
 
TEfficiency * efficiency (const std::string &effName, const std::string &tDir="", const std::string &stream="")
 Simplify the retrieval of registered TEfficiency. More...
 

Private Types

typedef uint32_t hash_t
 typedef for the internal hash More...
 
typedef std::map< const hash_t, TH1 * > HistMap_t
 Typedef for convenience. More...
 
typedef std::map< const hash_t, TEfficiency * > EffMap_t
 Typedef for convenience. More...
 
typedef std::map< const hash_t, TTree * > TreeMap_t
 Typedef for convenience. More...
 
typedef std::map< const hash_t, TGraph * > GraphMap_t
 Typedef for convenience. More...
 

Private Member Functions

void buildBookingString (std::string &bookingString, std::string &histName, std::string &tDir, std::string &stream, bool usePrefixPostfix=false)
 Method to build individual booking string. More...
 
void myReplace (std::string &str, const std::string &oldStr, const std::string &newStr)
 Helper method to replace sub-string. More...
 
hash_t hash (const std::string &histName) const
 Method to calculate a 32-bit hash from a string. More...
 

Private Attributes

ServiceHandle< ITHistSvc > m_histSvc
 Pointer to the THistSvc (event store by default) More...
 
HistMap_t m_histMap
 The map of histogram names to their pointers. More...
 
EffMap_t m_effMap
 The map of histogram names to their pointers. More...
 
TreeMap_t m_treeMap
 The map of TTree names to their pointers. More...
 
GraphMap_t m_graphMap
 The map of TGraph names to their pointers. More...
 
std::string m_streamName
 Name of the ROOT output stream (file) More...
 
std::string m_rootDir
 Name of the ROOT directory. More...
 
std::string m_histNamePrefix
 The prefix for the histogram THx name. More...
 
std::string m_histNamePostfix
 The postfix for the histogram THx name. More...
 
std::string m_histTitlePrefix
 The prefix for the histogram THx title. More...
 
std::string m_histTitlePostfix
 The postfix for the histogram THx title. More...
 
std::string m_name
 Instance name. More...
 
MsgStream m_msg
 Cached Message Stream. More...
 

Detailed Description

Definition at line 36 of file AthHistogramming.h.

Member Typedef Documentation

◆ EffMap_t

typedef std::map< const hash_t, TEfficiency* > AthHistogramming::EffMap_t
private

Typedef for convenience.

Definition at line 205 of file AthHistogramming.h.

◆ GraphMap_t

typedef std::map< const hash_t, TGraph* > AthHistogramming::GraphMap_t
private

Typedef for convenience.

Definition at line 219 of file AthHistogramming.h.

◆ hash_t

typedef uint32_t AthHistogramming::hash_t
private

typedef for the internal hash

Definition at line 169 of file AthHistogramming.h.

◆ HistMap_t

typedef std::map< const hash_t, TH1* > AthHistogramming::HistMap_t
private

Typedef for convenience.

Definition at line 198 of file AthHistogramming.h.

◆ TreeMap_t

typedef std::map< const hash_t, TTree* > AthHistogramming::TreeMap_t
private

Typedef for convenience.

Definition at line 212 of file AthHistogramming.h.

Constructor & Destructor Documentation

◆ AthHistogramming()

AthHistogramming::AthHistogramming ( const std::string &  name)

Constructor with parameters:

Definition at line 41 of file AthHistogramming.cxx.

41  :
42  m_histSvc ( "THistSvc/THistSvc", name ),
43  m_streamName(""),
44  m_name ( name ),
45  m_msg( Athena::getMessageSvc(), name )
46 {
47 }

◆ ~AthHistogramming()

AthHistogramming::~AthHistogramming ( )
virtual

Destructor:

Definition at line 54 of file AthHistogramming.cxx.

55 {
56  //ATH_MSG_DEBUG ("Calling destructor of AthHistogramming");
57  if ( m_msg.level() <= MSG::VERBOSE ) m_msg << MSG::DEBUG << "Calling destructor of AthHistogramming" << endmsg;
58 }

Member Function Documentation

◆ book() [1/8]

StatusCode AthHistogramming::book ( const TEfficiency &  eff,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 335 of file AthHistogramming.h.

336 {
337  // We need to create a non-const clone
338  TEfficiency* effClone = dynamic_cast< TEfficiency* >( eff.Clone() );
339  if ( !effClone ) {
340  m_msg << MSG::ERROR << "Couldn't create a TEfficiency clone" << endmsg;
341  return StatusCode::FAILURE;
342  }
343  return this->book( *effClone, tDir, stream );
344 }

◆ book() [2/8]

StatusCode AthHistogramming::book ( const TGraph &  graphRef,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TGraphs.

◆ book() [3/8]

StatusCode AthHistogramming::book ( const TH1 &  hist,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 303 of file AthHistogramming.h.

304 {
305  // We need to create a non-const clone
306  TH1* histClone = dynamic_cast< TH1* >( hist.Clone() );
307  if ( !histClone ) {
308  m_msg << MSG::ERROR << "Couldn't create a TH1 clone" << endmsg;
309  return StatusCode::FAILURE;
310  }
311  return this->book( *histClone, tDir, stream );
312 }

◆ book() [4/8]

StatusCode AthHistogramming::book ( const TTree &  treeRef,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TTrees.

Definition at line 403 of file AthHistogramming.h.

404 {
405  // Call the other Book method and see if it returns a valid pointer
406  TTree* treePointer = this->bookGetPointer( treeRef, tDir, stream );
407  if ( treePointer )
408  {
409  return StatusCode::SUCCESS;
410  }
411  else
412  {
413  return StatusCode::FAILURE;
414  }
415 }

◆ book() [5/8]

StatusCode AthHistogramming::book ( TEfficiency &  effRef,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 356 of file AthHistogramming.h.

357 {
358  // Call the other Book method and see if it returns a valid pointer
359  TEfficiency* effPointer = this->bookGetPointer( effRef, tDir, stream );
360  if ( !effPointer ) {
361  m_msg << MSG::ERROR << "Couldn't book a TEfficiency" << endmsg;
362  return StatusCode::FAILURE;
363  }
364  return StatusCode::SUCCESS;
365 }

◆ book() [6/8]

StatusCode AthHistogramming::book ( TEfficiency *  eff,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 346 of file AthHistogramming.h.

347 {
348  if ( !eff ) {
349  m_msg << MSG::ERROR << "Got a zero pointer to a TEfficiency" << endmsg;
350  return StatusCode::FAILURE;
351  }
352  return this->book( *eff, tDir, stream );
353 }

◆ book() [7/8]

StatusCode AthHistogramming::book ( TH1 &  histRef,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 324 of file AthHistogramming.h.

325 {
326  // Call the other Book method and see if it returns a valid pointer
327  TH1* histPointer = this->bookGetPointer( histRef, tDir, stream );
328  if ( !histPointer ) {
329  m_msg << MSG::ERROR << "Couldn't book a TH1" << endmsg;
330  return StatusCode::FAILURE;
331  }
332  return StatusCode::SUCCESS;
333 }

◆ book() [8/8]

StatusCode AthHistogramming::book ( TH1 *  hist,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 314 of file AthHistogramming.h.

315 {
316  if ( !hist ) {
317  m_msg << MSG::ERROR << "Got a zero pointer to a TH1" << endmsg;
318  return StatusCode::FAILURE;
319  }
320  return this->book( *hist, tDir, stream );
321 }

◆ bookGetPointer() [1/8]

TEfficiency * AthHistogramming::bookGetPointer ( const TEfficiency &  eff,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 281 of file AthHistogramming.h.

282 {
283  // We need to create a non-const clone
284  TEfficiency* histClone = dynamic_cast< TEfficiency* >( hist.Clone() );
285  if ( !histClone ) {
286  m_msg << MSG::ERROR << "Couldn't create a TEfficiency clone in bookGetPointer" << endmsg;
287  return 0;
288  }
289  return this->bookGetPointer( *histClone, tDir, stream );
290 
291 }

◆ bookGetPointer() [2/8]

TGraph * AthHistogramming::bookGetPointer ( const TGraph &  graphRef,
std::string  tDir = "",
std::string  stream = "" 
)
protected

Simplify the booking and registering (into THistSvc) of TGraphs.

Definition at line 427 of file AthHistogramming.cxx.

428 {
429  // Get a pointer
430  const TGraph* graphPointer = &graphRef;
431 
432  // Check that we got a valid pointer
433  if ( !graphPointer )
434  {
435  m_msg << MSG::WARNING
436  << "We got an invalid TGraph pointer in the BookGetPointer(TGraph*) method of the class" << m_name
437  << "!" << endmsg;
438  return NULL;
439  }
440 
441  // Modify the name and title according to the prefixes of this classes instance
442  std::string graphName = graphPointer->GetName();
443  const std::string graphTitle = graphPointer->GetTitle();
444 
445  // Check if the hash for this graphName already exists, i.e., if we have a hash collision
446  const hash_t graphHash = this->hash(graphName);
447  GraphMap_t::const_iterator it = m_graphMap.find( graphHash );
448  if ( it != m_graphMap.end() ) // It does exist!
449  {
450  m_msg << MSG::WARNING
451  << "Detected a hash collision. The hash for the TGraph with name=" << graphName
452  << " already exists and points to a TGraph with name=" << it->second->GetName()
453  << " NOT going to book the new histogram and returning a NULL pointer!" << endmsg;
454  return NULL;
455  }
456 
457  // Create a clone that has the new name
458  TGraph* graphClone = dynamic_cast< TGraph* >( graphPointer->Clone((m_histNamePrefix+graphName+m_histNamePostfix).c_str()) );
459  if( !graphClone )
460  {
461  m_msg << MSG::WARNING
462  << "We couldn't clone the TGraph in the BookGetPointer(TGraph&) method of the class" << m_name
463  << "!" << endmsg;
464  return NULL;
465  }
466  graphClone->SetTitle ((m_histTitlePrefix+graphTitle+m_histTitlePostfix).c_str());
467 
468  // Massage the final string to book things
469  std::string bookingString("");
470  this->buildBookingString( bookingString, graphName, tDir, stream );
471 
472  // Register the TGraph into the THistSvc
473  if ( !((histSvc()->regGraph(bookingString, graphClone)).isSuccess()) )
474  {
475  m_msg << MSG::WARNING
476  << "Problem registering TGraph with name " << graphName
477  << ", title " << graphTitle
478  << " in " << m_name << "!" << endmsg;
479  return NULL;
480  }
481 
482  // Also register it in the local map of string to pointer
483  m_graphMap.insert( m_graphMap.end(), std::pair< const hash_t, TGraph* >( graphHash, graphClone ) );
484 
485  return graphClone;
486 }

◆ bookGetPointer() [3/8]

TH1 * AthHistogramming::bookGetPointer ( const TH1 &  hist,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 260 of file AthHistogramming.h.

261 {
262  // We need to create a non-const clone
263  TH1* histClone = dynamic_cast< TH1* >( hist.Clone() );
264  if ( !histClone ) {
265  m_msg << MSG::ERROR << "Couldn't create a TH1 clone in bookGetPointer" << endmsg;
266  return 0;
267  }
268  return this->bookGetPointer( *histClone, tDir, stream );
269 
270 }

◆ bookGetPointer() [4/8]

TTree * AthHistogramming::bookGetPointer ( const TTree &  treeRef,
std::string  tDir = "",
std::string  stream = "" 
)
protected

Simplify the booking and registering (into THistSvc) of TTrees.

Definition at line 312 of file AthHistogramming.cxx.

313 {
314  // Get a pointer
315  const TTree* treePointer = &treeRef;
316 
317  // Check that we got a valid pointer
318  if ( !treePointer )
319  {
320  m_msg << MSG::WARNING
321  << "We got an invalid TTree pointer in the BookGetPointer(TTree*) method of the class" << m_name
322  << "!" << endmsg;
323  return NULL;
324  }
325 
326  // Modify the name and title according to the prefixes of this classes instance
327  std::string treeName = treePointer->GetName();
328  const std::string treeTitle = treePointer->GetTitle();
329 
330  // Check if the hash for this treeName already exists, i.e., if we have a hash collision
331  const hash_t treeHash = this->hash(treeName);
332  TreeMap_t::const_iterator it = m_treeMap.find( treeHash );
333  if ( it != m_treeMap.end() ) // It does exist!
334  {
335  m_msg << MSG::WARNING
336  << "Detected a hash collision. The hash for the TTree with name=" << treeName
337  << " already exists and points to a TTree with name=" << it->second->GetName()
338  << " NOT going to book the new histogram and returning a NULL pointer!" << endmsg;
339  return NULL;
340  }
341 
342  // Create a clone that has the new name
343  TTree* treeClone = dynamic_cast< TTree* >( treePointer->Clone(treeName.c_str()) );
344  if( !treeClone )
345  {
346  m_msg << MSG::WARNING
347  << "We couldn't clone the TTree in the BookGetPointer(TTree&) method of the class" << m_name
348  << "!" << endmsg;
349  return NULL;
350  }
351  treeClone->SetTitle (treeTitle.c_str());
352 
353  // Massage the final string to book things
354  std::string bookingString("");
355  this->buildBookingString( bookingString, treeName, tDir, stream );
356 
357  // Register the TTree into the THistSvc
358  if ( !((histSvc()->regTree(bookingString, treeClone)).isSuccess()) )
359  {
360  m_msg << MSG::WARNING
361  << "Problem registering TTree with name " << treeName
362  << ", title " << treeTitle
363  << " in " << m_name << "!" << endmsg;
364  return NULL;
365  }
366 
367  // Also register it in the local map of string to pointer
368  m_treeMap.insert( m_treeMap.end(), std::pair< const hash_t, TTree* >( treeHash, treeClone ) );
369 
370  return treeClone;
371 }

◆ bookGetPointer() [5/8]

TEfficiency * AthHistogramming::bookGetPointer ( TEfficiency &  effRef,
std::string  tDir = "",
std::string  stream = "" 
)
protected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 146 of file AthHistogramming.cxx.

147 {
148  // Modify the name and title according to the prefixes of this classes instance
149  std::string effName(effRef.GetName());
150  const std::string effTitle(effRef.GetTitle());
151  std::string bookingString("");
152 
153  this->buildBookingString( bookingString, effName, tDir, stream );
154  effRef.SetTitle((m_histTitlePrefix+effTitle+m_histTitlePostfix).c_str() );
155  effRef.SetName(effName.c_str());
156 
157  // Check if the hash for this effName already exists, i.e., if we have a hash collision
158  const hash_t effHash = this->hash(effName);
159  EffMap_t::const_iterator it = m_effMap.find( effHash );
160  if ( it != m_effMap.end() ) // It does exist!
161  {
162  m_msg << MSG::WARNING
163  << "Detected a hash collision. The hash for the TEfficiency with name=" << effName
164  << " already exists and points to a TEfficiency with name=" << it->second->GetName()
165  << " NOT going to book the new TEfficiency and returning a NULL pointer!" << endmsg;
166  return NULL;
167  }
168 
169  // Set the new name and title for the TEfficiency, based on the prefixes that the user set for this class instance
170  // Create a clone that has the new name
171 
172  // Massage the final string to book things
173 
174  // Register the TEfficiency into the THistSvc
175  if ( !((histSvc()->regEfficiency(bookingString, &effRef)).isSuccess()) )
176  {
177  m_msg << MSG::WARNING
178  << "Problem registering TEfficiency with name " << effName
179  << ", name prefix " << m_histNamePrefix
180  << ", title " << effTitle
181  << ", tile prefix " << m_histTitlePrefix
182  << ", and tile postfix " << m_histTitlePostfix
183  << " in " << m_name << "!" << endmsg;
184  return NULL;
185  }
186 
187  // Also register it in the local map of string to pointer
188  m_effMap.insert( m_effMap.end(), std::pair< const hash_t, TEfficiency* >( effHash, &effRef ) );
189 
190  return &effRef;
191 }

◆ bookGetPointer() [6/8]

TEfficiency * AthHistogramming::bookGetPointer ( TEfficiency *  eff,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of TEfficiency.

Definition at line 293 of file AthHistogramming.h.

294 {
295  if ( !hist ) {
296  m_msg << MSG::ERROR << "Got a zero pointer to a TEfficiency in bookGetPointer" << endmsg;
297  return 0;
298  }
299  return this->bookGetPointer( *hist, tDir, stream );
300 }

◆ bookGetPointer() [7/8]

TH1 * AthHistogramming::bookGetPointer ( TH1 &  histRef,
std::string  tDir = "",
std::string  stream = "" 
)
protected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 98 of file AthHistogramming.cxx.

99 {
100  // Modify the name and title according to the prefixes of this classes instance
101  std::string histName(histRef.GetName());
102  const std::string histTitle(histRef.GetTitle());
103  std::string bookingString("");
104 
105  this->buildBookingString( bookingString, histName, tDir, stream );
106  histRef.SetTitle((m_histTitlePrefix+histTitle+m_histTitlePostfix).c_str() );
107  histRef.SetName(histName.c_str());
108 
109  // Check if the hash for this histName already exists, i.e., if we have a hash collision
110  const hash_t histHash = this->hash(histName);
111  HistMap_t::const_iterator it = m_histMap.find( histHash );
112  if ( it != m_histMap.end() ) // It does exist!
113  {
114  m_msg << MSG::WARNING
115  << "Detected a hash collision. The hash for the histogram with name=" << histName
116  << " already exists and points to a histogram with name=" << it->second->GetName()
117  << " NOT going to book the new histogram and returning a NULL pointer!" << endmsg;
118  return NULL;
119  }
120 
121  // Set the new name and title for the histogram, based on the prefixes that the user set for this class instance
122  // Create a clone that has the new name
123 
124  // Massage the final string to book things
125 
126  // Register the histogram into the THistSvc
127  if ( !((histSvc()->regHist(bookingString, &histRef)).isSuccess()) )
128  {
129  m_msg << MSG::WARNING
130  << "Problem registering histogram with name " << histName
131  << ", name prefix " << m_histNamePrefix
132  << ", title " << histTitle
133  << ", tile prefix " << m_histTitlePrefix
134  << ", and tile postfix " << m_histTitlePostfix
135  << " in " << m_name << "!" << endmsg;
136  return NULL;
137  }
138 
139  // Also register it in the local map of string to pointer
140  m_histMap.insert( m_histMap.end(), std::pair< const hash_t, TH1* >( histHash, &histRef ) );
141 
142  return &histRef;
143 }

◆ bookGetPointer() [8/8]

TH1 * AthHistogramming::bookGetPointer ( TH1 *  hist,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the booking and registering (into THistSvc) of histograms.

Definition at line 272 of file AthHistogramming.h.

273 {
274  if ( !hist ) {
275  m_msg << MSG::ERROR << "Got a zero pointer to a TH1 in bookGetPointer" << endmsg;
276  return 0;
277  }
278  return this->bookGetPointer( *hist, tDir, stream );
279 }

◆ buildBookingString()

void AthHistogramming::buildBookingString ( std::string &  bookingString,
std::string &  histName,
std::string &  tDir,
std::string &  stream,
bool  usePrefixPostfix = false 
)
private

Method to build individual booking string.

Definition at line 560 of file AthHistogramming.cxx.

565 {
566  // Massage the final string to book things
567  if(tDir.empty()) tDir = m_rootDir;
568  size_t pos = histName.rfind('/');
569  if(pos != std::string::npos){
570  tDir+='/';
571  tDir.append(histName, 0,pos);
572  histName.erase(0,pos+1);
573  };
574  if(stream.empty()) stream = m_streamName;
575 
576  if(usePrefixPostfix){
577  bookingString = "/"+stream+"/"+tDir+"/"+m_histNamePrefix+histName+m_histNamePostfix;
578  } else {
579  bookingString = "/"+stream+"/"+tDir+"/"+histName;
580  }
581  while(bookingString.find("//") != std::string::npos){
582  this->myReplace(bookingString,"//","/");
583  }
584 
585  return;
586 }

◆ configAthHistogramming()

StatusCode AthHistogramming::configAthHistogramming ( const ServiceHandle< ITHistSvc > &  histSvc,
const std::string &  prefix,
const std::string &  rootDir,
const std::string &  histNamePrefix,
const std::string &  histNamePostfix,
const std::string &  histTitlePrefix,
const std::string &  histTitlePostfix 
)
protected

To be called by the derived classes to fill the internal configuration.

Definition at line 66 of file AthHistogramming.cxx.

70 {
71  m_histSvc = histSvc;
72  m_streamName = prefix;
73  m_rootDir = rootDir;
74  m_histNamePrefix = histNamePrefix;
75  m_histNamePostfix = histNamePostfix;
76  m_histTitlePrefix = histTitlePrefix;
77  m_histTitlePostfix = histTitlePostfix;
78 
79  return StatusCode::SUCCESS;
80 }

◆ efficiency()

TEfficiency * AthHistogramming::efficiency ( const std::string &  effName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
protected

Simplify the retrieval of registered TEfficiency.

Definition at line 250 of file AthHistogramming.cxx.

251 {
252  // Build a 32 bit hash out of the name
253  const hash_t effHash = this->hash(effName);
254 
255  // See if this entry exists in the map
256  EffMap_t::const_iterator it = m_effMap.find( effHash );
257  if ( it == m_effMap.end() ) // It doesn't exist!
258  { // Let's see into the THistSvc if somebody else has registered the TEfficiency...
259 
260  // Need to copy the strings as we will massage them from here on
261  std::string effNameCopy = effName;
262  std::string tDirCopy = tDir;
263  std::string streamCopy = stream;
264 
265  // Massage the final string to book things
266  std::string bookingString("");
267  this->buildBookingString( bookingString, effNameCopy, tDirCopy, streamCopy ,false);
268 
269  TEfficiency* effPointer(NULL);
270  if ( !((histSvc()->getEfficiency(bookingString, effPointer)).isSuccess()) )
271  {
272  // Massage the final string to book things
273  std::string bookingString("");
274  this->buildBookingString( bookingString, effNameCopy, tDirCopy, streamCopy, true );
275 
276  if ( !((histSvc()->getEfficiency(bookingString, effPointer)).isSuccess()) )
277  {
278  m_msg << MSG::WARNING
279  << "Problem retrieving the TEfficiency with name (including pre- and post-fixes) "
280  << m_histNamePrefix + effNameCopy + m_histNamePostfix
281  << " or with name " << effNameCopy
282  << " in " << m_name << "... it doesn't exist, neither in the cached map nor in the THistSvc!"
283  << " Will return an NULL pointer... you have to handle it correctly!" << endmsg;
284  return NULL;
285  }
286  // If we get to here, we actually found the TEfficiency in the THistSvc.
287  // So let's add it to the local cache map and return its pointer
288  m_effMap.insert( m_effMap.end(), std::pair< const hash_t, TEfficiency* >( effHash, effPointer ) );
289  return effPointer;
290  }
291  // If we get to here, we actually found the TEfficiency in the THistSvc.
292  // So let's add it to the local cache map and return its pointer
293  m_effMap.insert( m_effMap.end(), std::pair< const hash_t, TEfficiency* >( effHash, effPointer ) );
294  return effPointer;
295  }
296 
297  // Return the pointer to the TEfficiency that we got from the local cache map
298  return it->second;
299 }

◆ graph()

TGraph * AthHistogramming::graph ( const std::string &  graphName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
protected

Simplify the retrieval of registered TGraphs.

Definition at line 492 of file AthHistogramming.cxx.

493 {
494  // Build a 32 bit hash out of the name
495  const hash_t graphHash = this->hash(graphName);
496 
497  // See if this entry exists in the map
498  GraphMap_t::const_iterator it = m_graphMap.find( graphHash );
499  if ( it == m_graphMap.end() ) // It doesn't exist!
500  { // Let's see into the THistSvc if somebody else has registered the TGraph...
501 
502  // Need to copy the strings as we will massage them from here on
503  std::string graphNameCopy = graphName;
504  std::string tDirCopy = tDir;
505  std::string streamCopy = stream;
506 
507  // Massage the final string to book things
508  std::string bookingString("");
509  this->buildBookingString( bookingString, graphNameCopy, tDirCopy, streamCopy, true);
510 
511  TGraph* graphPointer(NULL);
512  if ( !((histSvc()->getGraph(bookingString, graphPointer)).isSuccess()) )
513  {
514  // Massage the final string to book things
515  std::string bookingString("");
516  this->buildBookingString( bookingString, graphNameCopy, tDirCopy, streamCopy, false );
517 
518  if ( !((histSvc()->getGraph(bookingString, graphPointer)).isSuccess()) )
519  {
520  m_msg << MSG::WARNING
521  << "Problem retrieving the TGraph with name (including pre- and post-fixes) "
522  << m_histNamePrefix + graphNameCopy + m_histNamePostfix
523  << " or with name " << graphNameCopy
524  << " in " << m_name << "... it doesn't exist, neither in the cached map nor in the THistSvc!"
525  << " Will return an NULL pointer... you have to handle it correctly!" << endmsg;
526  return NULL;
527  }
528  // If we get to here, we actually found the TGraph in the THistSvc.
529  // So let's add it to the local cache map and return its pointer
530  m_graphMap.insert( m_graphMap.end(), std::pair< const hash_t, TGraph* >( graphHash, graphPointer ) );
531  return graphPointer;
532  }
533  // If we get to here, we actually found the TGraph in the THistSvc.
534  // So let's add it to the local cache map and return its pointer
535  m_graphMap.insert( m_graphMap.end(), std::pair< const hash_t, TGraph* >( graphHash, graphPointer ) );
536  return graphPointer;
537  }
538 
539 
540  // Return the pointer to the TGraph that we got from the local cache map
541  return it->second;
542 }

◆ hash()

AthHistogramming::hash_t AthHistogramming::hash ( const std::string &  histName) const
inlineprivate

Method to calculate a 32-bit hash from a string.

Definition at line 428 of file AthHistogramming.h.

429 {
430  const uint64_t hash64 = CxxUtils::crc64( histName );
431  return (hash_t)(hash64 & 0xFFFFFFFF);
432 }

◆ hist()

TH1 * AthHistogramming::hist ( const std::string &  histName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
protected

Simplify the retrieval of registered histograms of any type.

Definition at line 198 of file AthHistogramming.cxx.

199 {
200  // Build a 32 bit hash out of the name
201  const hash_t histHash = this->hash(histName);
202 
203  // See if this entry exists in the map
204  HistMap_t::const_iterator it = m_histMap.find( histHash );
205  if ( it == m_histMap.end() ) // It doesn't exist!
206  { // Let's see into the THistSvc if somebody else has registered the histogram...
207 
208  // Need to copy the strings as we will massage them from here on
209  std::string histNameCopy = histName;
210  std::string tDirCopy = tDir;
211  std::string streamCopy = stream;
212 
213  // Massage the final string to book things
214  std::string bookingString("");
215  this->buildBookingString( bookingString, histNameCopy, tDirCopy, streamCopy ,false);
216 
217  TH1* histPointer(NULL);
218  if ( !((histSvc()->getHist(bookingString, histPointer)).isSuccess()) )
219  {
220  // Massage the final string to book things
221  std::string bookingString("");
222  this->buildBookingString( bookingString, histNameCopy, tDirCopy, streamCopy, true );
223 
224  if ( !((histSvc()->getHist(bookingString, histPointer)).isSuccess()) )
225  {
226  m_msg << MSG::WARNING
227  << "Problem retrieving the histogram with name (including pre- and post-fixes) "
228  << m_histNamePrefix + histNameCopy + m_histNamePostfix
229  << " or with name " << histNameCopy
230  << " in " << m_name << "... it doesn't exist, neither in the cached map nor in the THistSvc!"
231  << " Will return an NULL pointer... you have to handle it correctly!" << endmsg;
232  return NULL;
233  }
234  // If we get to here, we actually found the histogram in the THistSvc.
235  // So let's add it to the local cache map and return its pointer
236  m_histMap.insert( m_histMap.end(), std::pair< const hash_t, TH1* >( histHash, histPointer ) );
237  return histPointer;
238  }
239  // If we get to here, we actually found the histogram in the THistSvc.
240  // So let's add it to the local cache map and return its pointer
241  m_histMap.insert( m_histMap.end(), std::pair< const hash_t, TH1* >( histHash, histPointer ) );
242  return histPointer;
243  }
244 
245 
246  // Return the pointer to the histogram that we got from the local cache map
247  return it->second;
248 }

◆ hist2d()

TH2 * AthHistogramming::hist2d ( const std::string &  histName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the retrieval of registered 2-d histograms.

Definition at line 369 of file AthHistogramming.h.

370 {
371  // Get the TH1 pointer
372  TH1* th1Pointer = this->hist(histName, tDir, stream);
373  if ( !th1Pointer )
374  {
375  m_msg << MSG::ERROR
376  << "Cannot get a 2-d histogram with name " << histName
377  << "... will probably seg-fault!" << endmsg;
378  return NULL;
379  }
380  // If the TH1 pointer is valid, simply return the dynamic_cast
381  return dynamic_cast<TH2*>( th1Pointer );
382 }

◆ hist3d()

TH3 * AthHistogramming::hist3d ( const std::string &  histName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
inlineprotected

Simplify the retrieval of registered 3-d histograms.

Definition at line 386 of file AthHistogramming.h.

387 {
388  // Get the TH1 pointer
389  TH1* th1Pointer = this->hist(histName, tDir, stream);
390  if ( !th1Pointer )
391  {
392  m_msg << MSG::ERROR
393  << "Cannot get a 3-d histogram with name " << histName
394  << "... will probably seg-fault!" << endmsg;
395  return NULL;
396  }
397  // If the TH1 pointer is valid, simply return the dynamic_cast
398  return dynamic_cast<TH3*>( th1Pointer );
399 }

◆ histSvc()

const ServiceHandle< ITHistSvc > & AthHistogramming::histSvc ( ) const
inline

The standard THistSvc (for writing histograms and TTrees and more to a root file) Returns (kind of) a pointer to the THistSvc.

Definition at line 421 of file AthHistogramming.h.

422 {
423  return m_histSvc;
424 }

◆ myReplace()

void AthHistogramming::myReplace ( std::string &  str,
const std::string &  oldStr,
const std::string &  newStr 
)
private

Helper method to replace sub-string.

Definition at line 590 of file AthHistogramming.cxx.

593 {
594  size_t pos = 0;
595  while((pos = str.find(oldStr, pos)) != std::string::npos)
596  {
597  str.replace(pos, oldStr.length(), newStr);
598  pos += newStr.length();
599  }
600 }

◆ tree()

TTree * AthHistogramming::tree ( const std::string &  treeName,
const std::string &  tDir = "",
const std::string &  stream = "" 
)
protected

Simplify the retrieval of registered TTrees.

Definition at line 378 of file AthHistogramming.cxx.

379 {
380  // Build a 32 bit hash out of the name
381  const hash_t treeHash = this->hash(treeName);
382 
383  // See if this entry exists in the map
384  TreeMap_t::const_iterator it = m_treeMap.find( treeHash );
385  if ( it == m_treeMap.end() ) // It doesn't exist!
386  { // Let's see into the THistSvc if somebody else has registered the TTree...
387 
388  // Need to copy the strings as we will massage them from here on
389  std::string treeNameCopy = treeName;
390  std::string tDirCopy = tDir;
391  std::string streamCopy = stream;
392 
393  // Massage the final string to book things
394  std::string bookingString("");
395  this->buildBookingString( bookingString, treeNameCopy, tDirCopy, streamCopy );
396 
397  TTree* treePointer(NULL);
398  if ( !((histSvc()->getTree(bookingString, treePointer)).isSuccess()) )
399  {
400  m_msg << MSG::WARNING
401  << "Problem retrieving the TTree with name " << treeNameCopy
402  << " in " << m_name << "... it doesn't exist, neither in the cached map nor in the THistSvc!"
403  << " Will return an NULL pointer... you have to handle it correctly!" << endmsg;
404  return NULL;
405  }
406  // If we get to here, we actually found the TTree in the THistSvc.
407  // So let's add it to the local cache map and return its pointer
408  m_treeMap.insert( m_treeMap.end(), std::pair< const hash_t, TTree* >( treeHash, treePointer ) );
409  return treePointer;
410  }
411 
412  // Return the pointer to the TTree that we got from the local cache map
413  return it->second;
414 }

Member Data Documentation

◆ m_effMap

EffMap_t AthHistogramming::m_effMap
private

The map of histogram names to their pointers.

Definition at line 208 of file AthHistogramming.h.

◆ m_graphMap

GraphMap_t AthHistogramming::m_graphMap
private

The map of TGraph names to their pointers.

Definition at line 222 of file AthHistogramming.h.

◆ m_histMap

HistMap_t AthHistogramming::m_histMap
private

The map of histogram names to their pointers.

Definition at line 201 of file AthHistogramming.h.

◆ m_histNamePostfix

std::string AthHistogramming::m_histNamePostfix
private

The postfix for the histogram THx name.

Definition at line 235 of file AthHistogramming.h.

◆ m_histNamePrefix

std::string AthHistogramming::m_histNamePrefix
private

The prefix for the histogram THx name.

Definition at line 232 of file AthHistogramming.h.

◆ m_histSvc

ServiceHandle<ITHistSvc> AthHistogramming::m_histSvc
private

Pointer to the THistSvc (event store by default)

Definition at line 194 of file AthHistogramming.h.

◆ m_histTitlePostfix

std::string AthHistogramming::m_histTitlePostfix
private

The postfix for the histogram THx title.

Definition at line 241 of file AthHistogramming.h.

◆ m_histTitlePrefix

std::string AthHistogramming::m_histTitlePrefix
private

The prefix for the histogram THx title.

Definition at line 238 of file AthHistogramming.h.

◆ m_msg

MsgStream AthHistogramming::m_msg
private

Cached Message Stream.

Definition at line 248 of file AthHistogramming.h.

◆ m_name

std::string AthHistogramming::m_name
private

Instance name.

Definition at line 245 of file AthHistogramming.h.

◆ m_rootDir

std::string AthHistogramming::m_rootDir
private

Name of the ROOT directory.

Definition at line 229 of file AthHistogramming.h.

◆ m_streamName

std::string AthHistogramming::m_streamName
private

Name of the ROOT output stream (file)

Definition at line 226 of file AthHistogramming.h.

◆ m_treeMap

TreeMap_t AthHistogramming::m_treeMap
private

The map of TTree names to their pointers.

Definition at line 215 of file AthHistogramming.h.

The documentation for this class was generated from the following files:
AthHistogramming::m_rootDir
std::string m_rootDir
Name of the ROOT directory.
Definition: AthHistogramming.h:229
AthHistogramming::histSvc
const ServiceHandle< ITHistSvc > & histSvc() const
The standard THistSvc (for writing histograms and TTrees and more to a root file) Returns (kind of) a...
Definition: AthHistogramming.h:421
AthHistogramming::myReplace
void myReplace(std::string &str, const std::string &oldStr, const std::string &newStr)
Helper method to replace sub-string.
Definition: AthHistogramming.cxx:590
AthHistogramming::m_msg
MsgStream m_msg
Cached Message Stream.
Definition: AthHistogramming.h:248
AthHistogramming::m_histMap
HistMap_t m_histMap
The map of histogram names to their pointers.
Definition: AthHistogramming.h:201
AddEmptyComponent.histName
string histName
Definition: AddEmptyComponent.py:64
AthHistogramming::book
StatusCode book(const TH1 &hist, const std::string &tDir="", const std::string &stream="")
Simplify the booking and registering (into THistSvc) of histograms.
Definition: AthHistogramming.h:303
skel.it
it
Definition: skel.GENtoEVGEN.py:396
AthHistogramming::m_histNamePostfix
std::string m_histNamePostfix
The postfix for the histogram THx name.
Definition: AthHistogramming.h:235
AthenaPoolTestWrite.stream
string stream
Definition: AthenaPoolTestWrite.py:12
H5Utils::getTree
std::string getTree(const std::string &file_name)
Definition: getTree.cxx:36
Athena::getMessageSvc
IMessageSvc * getMessageSvc(bool quiet=false)
Definition: getMessageSvc.cxx:20
endmsg
#define endmsg
Definition: AnalysisConfig_Ntuple.cxx:63
checkCorrelInHIST.prefix
dictionary prefix
Definition: checkCorrelInHIST.py:391
dumpFileToPlots.treeName
string treeName
Definition: dumpFileToPlots.py:20
xAOD::uint64_t
uint64_t
Definition: EventInfo_v1.cxx:123
AthHistogramming::m_graphMap
GraphMap_t m_graphMap
The map of TGraph names to their pointers.
Definition: AthHistogramming.h:222
AthHistogramming::m_streamName
std::string m_streamName
Name of the ROOT output stream (file)
Definition: AthHistogramming.h:226
AthHistogramming::hash_t
uint32_t hash_t
typedef for the internal hash
Definition: AthHistogramming.h:169
CxxUtils::crc64
uint64_t crc64(const CRCTable &table, const char *data, size_t data_len)
Find the CRC-64 of a string,.
Definition: crc64.cxx:696
AthHistogramming::m_histTitlePostfix
std::string m_histTitlePostfix
The postfix for the histogram THx title.
Definition: AthHistogramming.h:241
name
std::string name
Definition: Control/AthContainers/Root/debug.cxx:228
AthHistogramming::hash
hash_t hash(const std::string &histName) const
Method to calculate a 32-bit hash from a string.
Definition: AthHistogramming.h:428
module_driven_slicing.getHist
def getHist(name, makehist)
Definition: module_driven_slicing.py:121
python.LumiBlobConversion.pos
pos
Definition: LumiBlobConversion.py:18
xxh3::hash64
std::uint64_t hash64(const void *data, std::size_t size)
Passthrough to XXH3_64bits.
Definition: XXH.cxx:9
AthHistogramming::m_effMap
EffMap_t m_effMap
The map of histogram names to their pointers.
Definition: AthHistogramming.h:208
AthHistogramming::m_histTitlePrefix
std::string m_histTitlePrefix
The prefix for the histogram THx title.
Definition: AthHistogramming.h:238
DEBUG
#define DEBUG
Definition: page_access.h:11
AthHistogramming::m_treeMap
TreeMap_t m_treeMap
The map of TTree names to their pointers.
Definition: AthHistogramming.h:215
AthHistogramming::m_histNamePrefix
std::string m_histNamePrefix
The prefix for the histogram THx name.
Definition: AthHistogramming.h:232
AthHistogramming::hist
TH1 * hist(const std::string &histName, const std::string &tDir="", const std::string &stream="")
Simplify the retrieval of registered histograms of any type.
Definition: AthHistogramming.cxx:198
AthHistogramming::m_histSvc
ServiceHandle< ITHistSvc > m_histSvc
Pointer to the THistSvc (event store by default)
Definition: AthHistogramming.h:194
dqt_zlumi_alleff_HIST.eff
int eff
Definition: dqt_zlumi_alleff_HIST.py:113
str
Definition: BTagTrackIpAccessor.cxx:11
python.Constants.VERBOSE
int VERBOSE
Definition: Control/AthenaCommon/python/Constants.py:14
AthHistogramming::m_name
std::string m_name
Instance name.
Definition: AthHistogramming.h:245
AthHistogramming::buildBookingString
void buildBookingString(std::string &bookingString, std::string &histName, std::string &tDir, std::string &stream, bool usePrefixPostfix=false)
Method to build individual booking string.
Definition: AthHistogramming.cxx:560
AthHistogramming::bookGetPointer
TH1 * bookGetPointer(const TH1 &hist, const std::string &tDir="", const std::string &stream="")
Simplify the booking and registering (into THistSvc) of histograms.
Definition: AthHistogramming.h:260
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