1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 Revision 1.1 2000/11/01 15:57:13 kowal2
19 Moved from the TPC directory
21 Revision 1.3 2000/06/30 12:07:49 kowal2
22 Updated from the TPC-PreRelease branch
24 Revision 1.2.4.1 2000/06/25 08:38:41 kowal2
25 Splitted from AliTPCtracking
27 Revision 1.2 2000/04/17 09:37:33 kowal2
28 removed obsolete AliTPCDigitsDisplay.C
30 Revision 1.1.4.2 2000/04/10 11:39:36 kowal2
32 New data structure handling
36 ///////////////////////////////////////////////////////////////////////////////
38 // Alice segment manager object //
40 ///////////////////////////////////////////////////////////////////////////////
45 #include "TClonesArray.h"
46 #include "TDirectory.h"
47 #include "AliArrayI.h"
52 #include "AliSegmentID.h"
53 #include "AliSegmentArray.h"
54 #include "TObjString.h"
57 //_____________________________________________________________________________
58 ClassImp(AliSegmentArray)
60 AliSegmentArray::AliSegmentArray()
72 AliSegmentArray::AliSegmentArray(Text_t *classname, Int_t n)
77 // Create an array of objects of classname. The class must inherit from
78 // AliSegmentID . The second argument adjust number of entries in
85 SetName("SegmentArray");
86 SetTitle("SegmentArray");
89 if (MakeArray(n)==kFALSE){
90 Error("AliSegmentArray", "can't allocate %d segments in memory",n);
95 AliSegmentArray::AliSegmentArray(const AliSegmentArray &segment)
99 // to be later implemented
102 AliSegmentArray &AliSegmentArray::operator = (const AliSegmentArray & segment)
104 //assignment operator
105 //to be later implemented
109 AliSegmentArray::~AliSegmentArray()
112 // default destructor
117 if (fTree) delete fTree;
118 if (fTreeIndex) delete fTreeIndex;
119 if (fClass!=0) delete fClass;
123 Bool_t AliSegmentArray::SetClass(Text_t *classname)
126 //set class of stored object
144 ::Fatal("AliSegmentArray::AliSegmentArray", "ROOT system not initialized");
146 fClass = gROOT->GetClass(classname);
148 Error("AliSegmentArray", "%s is not a valid class name", classname);
151 if (!fClass->InheritsFrom(AliSegmentID::Class())) {
152 Error("AliSegmentArray", "%s does not inherit from AliSegmentID", classname);
159 AliSegmentID * AliSegmentArray::NewSegment()
162 //create object according class information
163 if (fClass==0) return 0;
164 AliSegmentID * segment = (AliSegmentID * )fClass->New();
165 if (segment == 0) return 0;
170 Bool_t AliSegmentArray::AddSegment(AliSegmentID *segment)
173 // add segment to array
175 if (segment==0) return kFALSE;
176 if (fSegment==0) return kFALSE;
177 if (fClass==0) return kFALSE;
178 if (!(segment->IsA()->InheritsFrom(fClass))){
179 Error("AliSegmentArray", "added class %s is not of proper type ",
180 segment->IsA()->GetName());
183 fSegment->AddAt(segment,segment->GetID());
184 fNSegment = fSegment->GetLast()+1;
188 AliSegmentID * AliSegmentArray::AddSegment(Int_t index)
191 // add segment to array
193 if (fSegment==0) return 0;
194 if (fClass==0) return 0;
195 AliSegmentID * segment = NewSegment();
196 if (segment == 0) return 0;
197 fSegment->AddAt(segment,index);
198 segment->SetID(index);
199 fNSegment = fSegment->GetLast()+1;
204 void AliSegmentArray::ClearSegment(Int_t index)
207 //remove segment from active memory
209 if ((*fSegment)[index]){
210 // (*fSegment)[index]->Delete(); //not working for TClonesArray
211 delete (*fSegment)[index]; //because problem with deleting TClonesArray
212 fSegment->RemoveAt(index);
217 Bool_t AliSegmentArray::MakeArray(Int_t n)
220 //make array of pointers to Segments
226 fSegment = new TObjArray(n);
228 if (fSegment) return kTRUE;
233 void AliSegmentArray::MakeTree(char *file)
235 // AliSegmentID segment;
236 AliSegmentID * psegment = NewSegment();
237 if (fTree) delete fTree;
238 fTree = new TTree("Segment Tree","Tree with segments");
239 fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000,1);
241 TDirectory *wd = gDirectory;
242 fBranch->SetFile(file);
243 TBranch *b = fBranch;
244 TIter next( b->GetListOfBranches());
245 while ((b=(TBranch*)next())) {
248 cout << "Diverting branch " << "Segment" << " to file " << file << endl;
254 Bool_t AliSegmentArray::MakeDictionary(Int_t size)
257 //create index table for tree
259 if (size<1) return kFALSE;
260 if (fTreeIndex) delete fTreeIndex;
261 fTreeIndex = new AliArrayI();
262 fTreeIndex->Set(size);
264 AliSegmentID segment;
265 AliSegmentID * psegment = &segment;
266 fBranch->SetAddress(&psegment);
267 TBranch * brindix = fTree->GetBranch("fSegmentID");
268 Int_t nevent = (Int_t)fTree->GetEntries();
269 for (Int_t i = 0; i<nevent; i++){
270 brindix->GetEvent(i);
271 Int_t treeIndex=segment.GetID();
272 if (fTreeIndex->fN<treeIndex) fTreeIndex->Expand(Int_t(Float_t(treeIndex)*1.5)+1);
273 // Int_t index = segment.GetID();
274 (*fTreeIndex)[treeIndex]=i+1; //
279 Bool_t AliSegmentArray::ConnectTree(const char * treeName)
281 //connect tree from current directory
287 fTree =(TTree*)gDirectory->Get(treeName);
288 if (fTree == 0) return kFALSE;
289 fBranch = fTree->GetBranch("Segment");
290 if (fBranch==0) return kFALSE;
291 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
292 MakeArray(fTreeIndex->fN);
296 AliSegmentID *AliSegmentArray::LoadSegment(Int_t index)
299 //load segment with index to the memory
302 if (fTreeIndex ==0 ) MakeDictionary(3000);
303 //firstly try to load dictionary
304 if (fTreeIndex ==0 ) return 0;
305 if (fBranch==0) return 0;
306 if (index>fTreeIndex->fN) return 0;
307 AliSegmentID *s = (AliSegmentID*)(*fSegment)[index];
308 if (s==0) s= NewSegment();
310 // new AliSegmentID(index);
313 Int_t treeIndex =(*fTreeIndex)[index];
314 if (treeIndex<1) return 0;
315 else treeIndex--; //I don't like it Int table I have index shifted by 1
316 fBranch->SetAddress(&s);
317 fTree->GetEvent(treeIndex);
318 (*fSegment)[index] = (TObject*) s;
325 AliSegmentID *AliSegmentArray::LoadEntry(Int_t index)
328 //load segment at position inex in tree to the memory
331 if (fBranch==0) return 0;
332 if (index>fTree->GetEntries()) return 0;
333 AliSegmentID * s = NewSegment();
336 fBranch->SetAddress(&s);
337 fTree->GetEvent(index);
341 Int_t nindex = s->GetID();
342 ClearSegment(nindex);
343 (*fSegment)[nindex] = (TObject*) s;
347 void AliSegmentArray::StoreSegment(Int_t index)
350 //make segment persistent
352 const AliSegmentID * ksegment = (*this)[index];
353 if (ksegment == 0 ) return;
354 if (fTree==0) MakeTree();
355 fBranch->SetAddress(&ksegment);
360 void AliSegmentArray::Streamer(TBuffer &R__b)
362 TObjString treeName, * ptreeName=&treeName;
363 if (R__b.IsReading()) {
364 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
365 TNamed::Streamer(R__b);
367 if (fTree) delete fTree;
368 ConnectTree(ptreeName->String());
370 R__b.WriteVersion(AliSegmentArray::IsA());
371 TNamed::Streamer(R__b);
373 // sprintf(ch,"%s",fTrre->GetTitle());
374 treeName.String() = fTree->GetTitle();