Adding AliTPCTracklet to the repository (M.Mager)
[u/mrichter/AliRoot.git] / TPC / AliSegmentArray.cxx
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a46e9031 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
88cb7938 16/* $Id$ */
a46e9031 17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Alice segment manager object //
21// //
22///////////////////////////////////////////////////////////////////////////////
70479d0e 23#include <Riostream.h>
a46e9031 24
a46e9031 25#include <TTree.h>
88cb7938 26#include <TROOT.h>
27#include "AliRun.h"
28
a46e9031 29#include "TClonesArray.h"
30#include "TDirectory.h"
e756ece8 31#include <TArrayI.h>
a46e9031 32#include "TError.h"
33#include "TClass.h"
1ec4fc51 34#include "TFile.h"
a46e9031 35
36#include "AliSegmentID.h"
37#include "AliSegmentArray.h"
38#include "TObjString.h"
39
40
41//_____________________________________________________________________________
42ClassImp(AliSegmentArray)
43
179c6296 44 AliSegmentArray::AliSegmentArray()
45 :TNamed(),
46 fSegment(0),
47 fTreeIndex(0),
48 fNSegment(0),
49 fTree(0),
50 fTreeOwner(kFALSE),
51 fBranch(0),
52 fClass(0)
a46e9031 53{
54 //
179c6296 55 // constructor
a46e9031 56 //
179c6296 57
a46e9031 58}
59
8e8eae84 60AliSegmentArray::AliSegmentArray(const char *classname, Int_t n)
179c6296 61 :TNamed("SegmentArray","SegmentArray"),
62 fSegment(0),
63 fTreeIndex(0),
64 fNSegment(0),
65 fTree(0),
66 fTreeOwner(kFALSE),
67 fBranch(0),
68 fClass(0)
a46e9031 69{
70 //
71 //constructor which
72 //
73 // Create an array of objects of classname. The class must inherit from
74 // AliSegmentID . The second argument adjust number of entries in
75 // the array.
179c6296 76
a46e9031 77
78 SetClass(classname);
79 if (MakeArray(n)==kFALSE){
80 Error("AliSegmentArray", "can't allocate %d segments in memory",n);
81 return;
82 }
83}
84
179c6296 85AliSegmentArray::AliSegmentArray(const AliSegmentArray &segment)
86 :TNamed(segment),
87 fSegment(0),
88 fTreeIndex(0),
89 fNSegment(0),
90 fTree(0),
91 fTreeOwner(kFALSE),
92 fBranch(0),
93 fClass(0)
94
a46e9031 95{
96 //
97 //copy constructor
98 // to be later implemented
99}
100
88cb7938 101AliSegmentArray &AliSegmentArray::operator = (const AliSegmentArray & /*segment*/)
a46e9031 102{
103 //assignment operator
104 //to be later implemented
105 return (*this);
106}
107
108AliSegmentArray::~AliSegmentArray()
109{
110 //
111 // default destructor
112 if (fNSegment>0){
113 fSegment->Delete();
114 delete fSegment;
115 }
88cb7938 116 if (fTree)
117 if (fTreeOwner) delete fTree;
118 else fTree->Reset();
119
a46e9031 120 if (fTreeIndex) delete fTreeIndex;
40321246 121 // if (fClass!=0) delete fClass;
a46e9031 122}
123
124
8e8eae84 125Bool_t AliSegmentArray::SetClass(const char *classname)
a46e9031 126{
127 //
128 //set class of stored object
129 if ( fClass !=0 ) {
40321246 130 //delete fClass; not ower of fClass
a46e9031 131 fClass = 0;
132 }
133 if (fTree !=0) {
88cb7938 134 if (fTreeOwner) delete fTree;
135 else fTree->Reset();
a46e9031 136 fTree = 0;
137 fBranch = 0;
138 delete fTreeIndex;
139 fTreeIndex = 0;
140 }
88cb7938 141
a46e9031 142 if (fSegment != 0) {
143 fSegment->Delete();
144 delete fSegment;
145 fSegment = 0;
146 }
88cb7938 147
a46e9031 148 if (!gROOT)
149 ::Fatal("AliSegmentArray::AliSegmentArray", "ROOT system not initialized");
150
151 fClass = gROOT->GetClass(classname);
152 if (!fClass) {
153 Error("AliSegmentArray", "%s is not a valid class name", classname);
154 return kFALSE;
155 }
156 if (!fClass->InheritsFrom(AliSegmentID::Class())) {
157 Error("AliSegmentArray", "%s does not inherit from AliSegmentID", classname);
158 return kFALSE;
159 }
160 return kTRUE;
161}
162
163
164AliSegmentID * AliSegmentArray::NewSegment()
165{
166 //
167 //create object according class information
168 if (fClass==0) return 0;
169 AliSegmentID * segment = (AliSegmentID * )fClass->New();
170 if (segment == 0) return 0;
171 return segment;
172}
173
174
175Bool_t AliSegmentArray::AddSegment(AliSegmentID *segment)
176{
177 //
178 // add segment to array
179 //
180 if (segment==0) return kFALSE;
181 if (fSegment==0) return kFALSE;
182 if (fClass==0) return kFALSE;
183 if (!(segment->IsA()->InheritsFrom(fClass))){
184 Error("AliSegmentArray", "added class %s is not of proper type ",
185 segment->IsA()->GetName());
186 return kFALSE;
187 }
188 fSegment->AddAt(segment,segment->GetID());
189 fNSegment = fSegment->GetLast()+1;
190 return kTRUE;
191}
192
193AliSegmentID * AliSegmentArray::AddSegment(Int_t index)
194{
195 //
196 // add segment to array
197 //
198 if (fSegment==0) return 0;
199 if (fClass==0) return 0;
200 AliSegmentID * segment = NewSegment();
201 if (segment == 0) return 0;
202 fSegment->AddAt(segment,index);
203 segment->SetID(index);
204 fNSegment = fSegment->GetLast()+1;
205 return segment;
206}
207
208
209void AliSegmentArray::ClearSegment(Int_t index)
210{
211 //
212 //remove segment from active memory
213 //
01e713b2 214 //PH if ((*fSegment)[index]){
215 if (fSegment->At(index)){
a46e9031 216 // (*fSegment)[index]->Delete(); //not working for TClonesArray
01e713b2 217 //PH delete (*fSegment)[index]; //because problem with deleting TClonesArray
218 //PH fSegment->RemoveAt(index);
219 delete fSegment->RemoveAt(index);
a46e9031 220 }
221}
222
223
224Bool_t AliSegmentArray::MakeArray(Int_t n)
225{
226 //
227 //make array of pointers to Segments
228 //
229 if (fSegment) {
230 fSegment->Delete();
231 delete fSegment;
232 }
233 fSegment = new TObjArray(n);
234 fNSegment=n;
235 if (fSegment) return kTRUE;
236 else return kFALSE;
237}
88cb7938 238void AliSegmentArray::MakeTree(TTree* tree)
239{
240 //Make tree with the name
241 AliSegmentID * psegment = NewSegment();
242 fTree = tree;
243 //PH fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000);
244 fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000,99);
a46e9031 245
88cb7938 246}
a46e9031 247
67ae3681 248void AliSegmentArray::MakeTree(char *file)
a46e9031 249{
250 // AliSegmentID segment;
251 AliSegmentID * psegment = NewSegment();
88cb7938 252 if (fTree)
253 if (fTreeOwner)
254 {
255 delete fTree;
256 fTree = new TTree("Segment Tree","Tree with segments");
257 }
258 else fTree->Reset();
259
260
01e713b2 261 //PH fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000);
21e74529 262 fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000,99);
88cb7938 263
264 if (file) {
cec8fec2 265 TString outFile = gAlice->GetBaseFile();
266 outFile = outFile + "/" + file;
267 fBranch->SetFile(outFile.Data());
67ae3681 268 TDirectory *wd = gDirectory;
67ae3681 269 TBranch *b = fBranch;
270 TIter next( b->GetListOfBranches());
271 while ((b=(TBranch*)next())) {
cec8fec2 272 b->SetFile(outFile.Data());
67ae3681 273 }
88cb7938 274 cout << "Diverting branch " << "Segment" << " to file " << outFile << endl;
67ae3681 275 wd->cd();
276 }
a46e9031 277 delete psegment;
278}
279
1ec4fc51 280
a46e9031 281Bool_t AliSegmentArray::MakeDictionary(Int_t size)
282{
283 //
284 //create index table for tree
285 //
286 if (size<1) return kFALSE;
287 if (fTreeIndex) delete fTreeIndex;
e756ece8 288 fTreeIndex = new TArrayI();
a46e9031 289 fTreeIndex->Set(size);
290
40321246 291 AliSegmentID * psegment = NewSegment(); //MI change
a46e9031 292 fBranch->SetAddress(&psegment);
293 TBranch * brindix = fTree->GetBranch("fSegmentID");
294 Int_t nevent = (Int_t)fTree->GetEntries();
295 for (Int_t i = 0; i<nevent; i++){
296 brindix->GetEvent(i);
40321246 297 Int_t treeIndex=psegment->GetID();
e756ece8 298 if (fTreeIndex->fN<treeIndex) fTreeIndex->Set(Int_t(Float_t(treeIndex)*1.5)+1);
a46e9031 299 // Int_t index = segment.GetID();
300 (*fTreeIndex)[treeIndex]=i+1; //
301 }
40321246 302 if (psegment) delete psegment;
a46e9031 303 return kTRUE;
304}
305
88cb7938 306Bool_t AliSegmentArray::ConnectTree(TTree* tree)
307{
308 fTree =tree;
309 if (fTree == 0) return kFALSE;
310 fBranch = fTree->GetBranch("Segment");
311 if (fBranch==0) return kFALSE;
312 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
313 MakeArray(fTreeIndex->fN);
314 return kTRUE;
315}
316
317
a46e9031 318Bool_t AliSegmentArray::ConnectTree(const char * treeName)
319{
320 //connect tree from current directory
321 if (fTree){
88cb7938 322 if (fTreeOwner)
323 {
324 delete fTree;
325 fTree = 0;
326 }
327 else fTree->Reset();
328 fBranch = 0;
a46e9031 329 }
330 fTree =(TTree*)gDirectory->Get(treeName);
88cb7938 331
a46e9031 332 if (fTree == 0) return kFALSE;
333 fBranch = fTree->GetBranch("Segment");
334 if (fBranch==0) return kFALSE;
335 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
336 MakeArray(fTreeIndex->fN);
337 return kTRUE;
338}
339
340AliSegmentID *AliSegmentArray::LoadSegment(Int_t index)
341{
342 //
343 //load segment with index to the memory
344 //
345 //
346 if (fTreeIndex ==0 ) MakeDictionary(3000);
347 //firstly try to load dictionary
348 if (fTreeIndex ==0 ) return 0;
349 if (fBranch==0) return 0;
350 if (index>fTreeIndex->fN) return 0;
01e713b2 351 //PH AliSegmentID *s = (AliSegmentID*)(*fSegment)[index];
352 AliSegmentID *s = (AliSegmentID*)fSegment->At(index);
a46e9031 353 if (s==0) s= NewSegment();
354 s->SetID(index);
355 // new AliSegmentID(index);
356
357 if (s!=0) {
358 Int_t treeIndex =(*fTreeIndex)[index];
359 if (treeIndex<1) return 0;
360 else treeIndex--; //I don't like it Int table I have index shifted by 1
361 fBranch->SetAddress(&s);
362 fTree->GetEvent(treeIndex);
01e713b2 363 //PH (*fSegment)[index] = (TObject*) s;
364 fSegment->AddAt((TObject*) s, index);
a46e9031 365 }
366 else
367 return 0;
368 return s;
369
370}
371AliSegmentID *AliSegmentArray::LoadEntry(Int_t index)
372{
373 //
374 //load segment at position inex in tree to the memory
375 //
376 //
377 if (fBranch==0) return 0;
378 if (index>fTree->GetEntries()) return 0;
379 AliSegmentID * s = NewSegment();
380
381 if (s) {
382 fBranch->SetAddress(&s);
383 fTree->GetEvent(index);
384 }
385 else
386 return 0;
387 Int_t nindex = s->GetID();
388 ClearSegment(nindex);
01e713b2 389 //PH (*fSegment)[nindex] = (TObject*) s;
390 fSegment->AddAt((TObject*) s, nindex);
a46e9031 391 return s;
392}
393
394void AliSegmentArray::StoreSegment(Int_t index)
395{
396 //
397 //make segment persistent
398 //
399 const AliSegmentID * ksegment = (*this)[index];
400 if (ksegment == 0 ) return;
401 if (fTree==0) MakeTree();
402 fBranch->SetAddress(&ksegment);
403 fTree->Fill();
404}
405
406
407void AliSegmentArray::Streamer(TBuffer &R__b)
408{
409 TObjString treeName, * ptreeName=&treeName;
410 if (R__b.IsReading()) {
411 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
412 TNamed::Streamer(R__b);
413 R__b>>ptreeName;
88cb7938 414 if (fTree && fTreeOwner) delete fTree;
a46e9031 415 ConnectTree(ptreeName->String());
416 } else {
417 R__b.WriteVersion(AliSegmentArray::IsA());
418 TNamed::Streamer(R__b);
419 // char ch[200];
420 // sprintf(ch,"%s",fTrre->GetTitle());
421 treeName.String() = fTree->GetTitle();
422 R__b<<ptreeName;
423 fTree->Write();
424 }
425}
88cb7938 426