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63a7ee27 | 1 | // $Id$ |
9cb24db9 | 2 | /************************************************************************** |
3 | * This file is property of and copyright by the ALICE HLT Project * | |
4 | * All rights reserved. * | |
5 | * * | |
6 | * Primary Authors: * | |
7 | * Artur Szostak <artursz@iafrica.com> * | |
8 | * * | |
9 | * Permission to use, copy, modify and distribute this software and its * | |
10 | * documentation strictly for non-commercial purposes is hereby granted * | |
11 | * without fee, provided that the above copyright notice appears in all * | |
12 | * copies and that both the copyright notice and this permission notice * | |
13 | * appear in the supporting documentation. The authors make no claims * | |
14 | * about the suitability of this software for any purpose. It is * | |
15 | * provided "as is" without express or implied warranty. * | |
16 | **************************************************************************/ | |
17 | ||
18 | /// @file AliHLTScalars.cxx | |
19 | /// @author Artur Szostak <artursz@iafrica.com> | |
20 | /// @date 28 Sep 2010 | |
21 | /// @brief Implementation of the HLT scalars class. | |
22 | /// | |
23 | /// This implements the scalars class for the HLT, which is a collection of | |
24 | /// named scalar values. Searching for a named scalar is optimised by using | |
25 | /// using a hash map. | |
26 | ||
27 | #include "AliHLTScalars.h" | |
28 | #include "TString.h" | |
1d089207 | 29 | #include "AliHLTLogging.h" // HLT logging |
30 | #include "TClass.h" // for Class_Name macro for logging | |
9cb24db9 | 31 | #include "TIterator.h" |
32 | #include "Riostream.h" | |
33 | #include <cassert> | |
34 | ||
35 | ClassImp(AliHLTScalars); | |
36 | ClassImp(AliHLTScalars::AliScalar); | |
37 | ||
38 | ||
39 | AliHLTScalars::AliHLTScalars() : | |
40 | TObject(), | |
41 | fScalars(AliHLTScalars::AliScalar::Class(), 128), | |
42 | fMap(TCollection::kInitHashTableCapacity, 2) | |
43 | { | |
44 | // Default constructor. | |
45 | ||
46 | fMap.SetOwner(kFALSE); | |
47 | } | |
48 | ||
49 | ||
50 | AliHLTScalars::AliHLTScalars(const AliHLTScalars& obj) : | |
51 | TObject(obj), | |
52 | fScalars(obj.fScalars), | |
53 | fMap(obj.fMap.GetSize(), obj.fMap.GetRehashLevel()) | |
54 | { | |
55 | // Copy constructor performs a deep copy. | |
56 | ||
57 | fMap.SetOwner(kFALSE); | |
58 | fMap.AddAll(&fScalars); | |
59 | } | |
60 | ||
61 | ||
62 | AliHLTScalars::AliHLTScalars(const TClass* cl, Int_t initSize) : | |
63 | TObject(), | |
64 | fScalars(cl, initSize), | |
65 | fMap(TCollection::kInitHashTableCapacity, 2) | |
66 | { | |
67 | // Constructor to be able to specify a custom class for the fScalars TClonesArray object. | |
68 | ||
69 | fMap.SetOwner(kFALSE); | |
70 | } | |
71 | ||
72 | ||
73 | AliHLTScalars::~AliHLTScalars() | |
74 | { | |
75 | // Default destructor. | |
76 | ||
77 | Clear(); | |
78 | } | |
79 | ||
80 | ||
5df17fc7 | 81 | AliHLTScalars::AliScalar* AliHLTScalars::NewScalar(UInt_t i, const char* name, const char* description, Double_t value) |
9cb24db9 | 82 | { |
5df17fc7 | 83 | // Creates a new scalar object. |
84 | ||
85 | return new (fScalars[i]) AliScalar(name, description, value); | |
86 | } | |
87 | ||
88 | ||
89 | const AliHLTScalars::AliScalar& AliHLTScalars::Sentinel() const | |
90 | { | |
91 | // Returns an empty sentinel object. | |
92 | ||
93 | static AliHLTScalars::AliScalar sentinel; | |
94 | return sentinel; | |
95 | } | |
96 | ||
9cb24db9 | 97 | |
5df17fc7 | 98 | bool AliHLTScalars::Add(AliScalar*& scalar, const char* name, const char* description, Double_t value) |
99 | { | |
100 | // Adds a new scalar (internal version). | |
101 | ||
102 | scalar = static_cast<AliScalar*>( fMap.FindObject(name) ); | |
9cb24db9 | 103 | bool exists = scalar != NULL; |
104 | if (not exists) | |
105 | { | |
5df17fc7 | 106 | scalar = NewScalar(fScalars.GetEntriesFast(), name, description, value); |
9cb24db9 | 107 | fMap.Add(scalar); |
108 | } | |
109 | else | |
110 | { | |
111 | scalar->Value(value); | |
112 | } | |
113 | return exists; | |
114 | } | |
115 | ||
116 | ||
5df17fc7 | 117 | bool AliHLTScalars::Add(const char* name, const char* description, Double_t value) |
118 | { | |
119 | // Adds a new scalar. | |
120 | ||
121 | AliScalar* scalar = NULL; | |
122 | return Add(scalar, name, description, value); | |
123 | } | |
124 | ||
125 | ||
9cb24db9 | 126 | bool AliHLTScalars::Remove(const char* name) |
127 | { | |
128 | // Removes a scalar from the list. | |
129 | ||
130 | TNamed x(name, ""); | |
131 | TObject* scalar = fMap.Remove(&x); | |
132 | bool existed = scalar != NULL; | |
133 | if (existed) | |
134 | { | |
135 | fScalars.Remove(scalar); | |
136 | fScalars.Compress(); | |
137 | } | |
138 | return existed; | |
139 | } | |
140 | ||
141 | ||
142 | const AliHLTScalars::AliScalar& AliHLTScalars::GetScalar(const char* name) const | |
143 | { | |
144 | // Fetch the named scalar object. | |
145 | ||
146 | const TObject* scalar = fMap.FindObject(name); | |
147 | if (scalar != NULL) | |
148 | { | |
149 | return *static_cast<const AliScalar*>(scalar); | |
150 | } | |
151 | else | |
152 | { | |
5df17fc7 | 153 | return Sentinel(); |
9cb24db9 | 154 | } |
155 | } | |
156 | ||
157 | ||
158 | AliHLTScalars::AliScalar& AliHLTScalars::GetScalar(const char* name) | |
159 | { | |
160 | // Fetch the named scalar object for editing. | |
161 | ||
162 | TObject* scalar = fMap.FindObject(name); | |
163 | if (scalar == NULL) | |
164 | { | |
5df17fc7 | 165 | scalar = NewScalar(fScalars.GetEntriesFast(), name, "", 0); |
9cb24db9 | 166 | fMap.Add(scalar); |
167 | } | |
168 | return *static_cast<AliScalar*>(scalar); | |
169 | } | |
170 | ||
171 | ||
172 | const AliHLTScalars::AliScalar& AliHLTScalars::GetScalarN(UInt_t n) const | |
173 | { | |
174 | // Fetch the n'th scalar object. | |
175 | ||
176 | if (n < NumberOfScalars()) | |
177 | { | |
178 | const TObject* scalar = fScalars.UncheckedAt(Int_t(n)); | |
179 | return *static_cast<const AliScalar*>(scalar); | |
180 | } | |
181 | else | |
182 | { | |
5df17fc7 | 183 | return Sentinel(); |
9cb24db9 | 184 | } |
185 | } | |
186 | ||
187 | ||
188 | AliHLTScalars::AliScalar& AliHLTScalars::GetScalarN(UInt_t n) | |
189 | { | |
190 | // Fetch the n'th scalar object for editing. | |
191 | ||
192 | TObject* scalar = NULL; | |
193 | if (n < NumberOfScalars()) | |
194 | { | |
195 | scalar = fScalars.UncheckedAt(Int_t(n)); | |
196 | } | |
197 | else | |
198 | { | |
199 | // We have to create all missing scalars since there cannot | |
200 | // be gaps in the TClonesArray. This can cause segfaults during | |
201 | // ROOT I/O of the class otherwise. | |
202 | for (UInt_t i = NumberOfScalars(); i <= n; ++i) | |
203 | { | |
204 | // Make sure the the name of the scalar is not taken. | |
205 | // If it is then find an unused name. | |
206 | TString nameToUse = Form("Scalar%d", i); | |
207 | if (FindObject(nameToUse.Data()) != NULL) | |
208 | { | |
209 | UInt_t m = 0; | |
210 | do | |
211 | { | |
212 | nameToUse = Form("Scalar%d_%d", i, m++); | |
213 | } | |
214 | while (FindObject(nameToUse.Data()) != NULL); | |
215 | } | |
5df17fc7 | 216 | scalar = NewScalar(i, nameToUse.Data(), "", 0); |
9cb24db9 | 217 | fMap.Add(scalar); |
218 | } | |
219 | } | |
220 | return *static_cast<AliScalar*>(scalar); | |
221 | } | |
222 | ||
223 | ||
224 | void AliHLTScalars::Reset() | |
225 | { | |
5df17fc7 | 226 | // Sets all the scalar values to zero. |
9cb24db9 | 227 | |
228 | for (Int_t i = 0; i < fScalars.GetEntriesFast(); ++i) | |
229 | { | |
230 | AliScalar* scalar = static_cast<AliScalar*>( fScalars.UncheckedAt(i) ); | |
231 | scalar->Value(0); | |
232 | } | |
233 | } | |
234 | ||
235 | ||
236 | void AliHLTScalars::Clear(Option_t* option) | |
237 | { | |
238 | // Clears the array of scalars. | |
239 | ||
240 | fMap.Clear(); | |
241 | fScalars.Delete(option); | |
242 | } | |
243 | ||
244 | ||
245 | void AliHLTScalars::Copy(TObject& object) const | |
246 | { | |
247 | // Performs a deep copy. | |
248 | ||
249 | if (object.IsA() != AliHLTScalars::Class()) | |
250 | { | |
1d089207 | 251 | AliHLTLogging log; |
252 | log.LoggingVarargs(kHLTLogError, Class_Name() , FUNCTIONNAME() , __FILE__ , __LINE__ , "Cannot copy to an object of type '%s'.", object.ClassName()); | |
9cb24db9 | 253 | return; |
254 | } | |
255 | AliHLTScalars* obj = static_cast<AliHLTScalars*>(&object); | |
256 | obj->operator = (*this); | |
257 | } | |
258 | ||
259 | ||
260 | void AliHLTScalars::Print(Option_t* option) const | |
261 | { | |
262 | // Prints the HLT trigger scalars. | |
263 | ||
264 | TIter next(&fScalars); | |
265 | const AliScalar* scalar = NULL; | |
266 | ||
267 | TString opt = option; | |
268 | if (opt == "compact") | |
269 | { | |
270 | scalar = static_cast<const AliScalar*>(next()); | |
271 | if (scalar != NULL) cout << scalar->Value(); | |
272 | while ((scalar = static_cast<const AliScalar*>(next())) != NULL) | |
273 | { | |
274 | cout << ", " << scalar->Value(); | |
275 | } | |
276 | cout << endl; | |
277 | return; | |
278 | } | |
279 | ||
280 | // Calculate the maximum field width required to keep things aligned. | |
281 | int fieldwidth = 0; | |
282 | while ((scalar = static_cast<const AliScalar*>(next())) != NULL) | |
283 | { | |
284 | int length = strlen(scalar->Name()) + strlen(scalar->Description()) + 3; | |
285 | if (length > fieldwidth) fieldwidth = length; | |
286 | } | |
287 | if (fieldwidth > 80) fieldwidth = 80; | |
288 | ||
289 | cout << "HLT scalars:" << endl; | |
290 | next.Reset(); | |
291 | while ((scalar = static_cast<const AliScalar*>(next())) != NULL) | |
292 | { | |
293 | TString str = scalar->Description(); | |
294 | str += " ("; | |
295 | str += scalar->Name(); | |
296 | str += ")"; | |
297 | cout << setw(fieldwidth) << str.Data() << setw(0) | |
298 | << " = " << scalar->Value() << setw(0) | |
299 | << endl; | |
300 | } | |
5df17fc7 | 301 | if (fScalars.GetEntriesFast() == 0) cout << "(none)" << endl; |
9cb24db9 | 302 | } |
303 | ||
304 | ||
305 | AliHLTScalars& AliHLTScalars::operator = (const AliHLTScalars& obj) | |
306 | { | |
307 | // Performs a deep copy. | |
308 | ||
309 | if (this == &obj) return *this; | |
310 | Clear(); // Remove existing scalars. | |
311 | TObject::operator = (obj); | |
312 | for (Int_t i = 0; i < obj.fScalars.GetEntriesFast(); ++i) | |
313 | { | |
314 | const AliScalar* x = static_cast<const AliScalar*>(obj.fScalars.UncheckedAt(i)); | |
315 | new (fScalars[i]) AliScalar(*x); | |
316 | } | |
317 | fMap.AddAll(&fScalars); | |
318 | return *this; | |
319 | } | |
320 | ||
321 | ||
322 | Bool_t AliHLTScalars::IsEqual(const TObject *obj) const | |
323 | { | |
324 | // Checks if two sets of scalar lists have the same scalars. | |
325 | ||
326 | assert(obj != NULL); | |
327 | if (obj->IsA()->GetBaseClass(AliHLTScalars::Class()) == NULL) | |
328 | { | |
1d089207 | 329 | AliHLTLogging log; |
330 | log.LoggingVarargs(kHLTLogError, Class_Name() , FUNCTIONNAME() , __FILE__ , __LINE__ , "Cannot compare object of type '%s'' with an object of type '%s'.", | |
9cb24db9 | 331 | this->ClassName(), obj->ClassName() |
1d089207 | 332 | ); |
9cb24db9 | 333 | return kFALSE; |
334 | } | |
335 | const AliHLTScalars* rhs = static_cast<const AliHLTScalars*>(obj); | |
336 | if (fScalars.GetEntriesFast() != rhs->fScalars.GetEntriesFast()) return kFALSE; | |
337 | TIter next(&fScalars); | |
338 | const AliScalar* scalar = NULL; | |
339 | while ((scalar = static_cast<const AliScalar*>(next())) != NULL) | |
340 | { | |
341 | if (rhs->fScalars.FindObject(scalar->Name()) == NULL) return kFALSE; | |
342 | } | |
343 | return kTRUE; | |
344 | } | |
345 | ||
346 | ||
347 | bool AliHLTScalars::operator == (const AliHLTScalars& obj) const | |
348 | { | |
349 | // Compares two scalar lists to see that they have the same scalar values. | |
350 | ||
351 | if (fScalars.GetEntriesFast() != obj.fScalars.GetEntriesFast()) return false; | |
352 | TIter next(&fScalars); | |
353 | const AliScalar* a = NULL; | |
354 | while ((a = static_cast<const AliScalar*>(next())) != NULL) | |
355 | { | |
356 | const AliScalar* b = static_cast<const AliScalar*>( | |
357 | obj.fScalars.FindObject(a->Name()) | |
358 | ); | |
359 | if (b == NULL) return false; | |
360 | if (a->Value() != b->Value()) return false; | |
361 | } | |
362 | return true; | |
363 | } | |
364 | ||
365 | ||
366 | void AliHLTScalars::AliScalar::Copy(TObject& object) const | |
367 | { | |
368 | // Performs a deep copy. | |
369 | ||
370 | if (object.IsA() != AliHLTScalars::AliScalar::Class()) | |
371 | { | |
1d089207 | 372 | AliHLTLogging log; |
373 | log.LoggingVarargs(kHLTLogError, Class_Name() , FUNCTIONNAME() , __FILE__ , __LINE__ , "Cannot copy to an object of type '%s'.", object.ClassName()); | |
9cb24db9 | 374 | return; |
375 | } | |
376 | AliHLTScalars::AliScalar* obj = static_cast<AliHLTScalars::AliScalar*>(&object); | |
377 | *obj = *this; | |
378 | } |