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 1.2 2001/01/26 20:29:00 hristov
19 Major upgrade of AliRoot code
21 Revision 1.1 2000/11/01 15:57:13 kowal2
22 Moved from the TPC directory
24 Revision 1.3 2000/06/30 12:07:49 kowal2
25 Updated from the TPC-PreRelease branch
27 Revision 1.2.4.1 2000/06/25 08:38:41 kowal2
28 Splitted from AliTPCtracking
30 Revision 1.2 2000/04/17 09:37:33 kowal2
31 removed obsolete AliTPCDigitsDisplay.C
33 Revision 1.1.4.2 2000/04/10 11:39:36 kowal2
35 New data structure handling
39 ///////////////////////////////////////////////////////////////////////////////
41 // Alice segment manager object //
43 ///////////////////////////////////////////////////////////////////////////////
48 #include "TClonesArray.h"
49 #include "TDirectory.h"
50 #include "AliArrayI.h"
55 #include "AliSegmentID.h"
56 #include "AliSegmentArray.h"
57 #include "TObjString.h"
60 //_____________________________________________________________________________
61 ClassImp(AliSegmentArray)
63 AliSegmentArray::AliSegmentArray()
75 AliSegmentArray::AliSegmentArray(Text_t *classname, Int_t n)
80 // Create an array of objects of classname. The class must inherit from
81 // AliSegmentID . The second argument adjust number of entries in
88 SetName("SegmentArray");
89 SetTitle("SegmentArray");
92 if (MakeArray(n)==kFALSE){
93 Error("AliSegmentArray", "can't allocate %d segments in memory",n);
98 AliSegmentArray::AliSegmentArray(const AliSegmentArray &segment)
102 // to be later implemented
105 AliSegmentArray &AliSegmentArray::operator = (const AliSegmentArray & segment)
107 //assignment operator
108 //to be later implemented
112 AliSegmentArray::~AliSegmentArray()
115 // default destructor
120 if (fTree) delete fTree;
121 if (fTreeIndex) delete fTreeIndex;
122 // if (fClass!=0) delete fClass;
126 Bool_t AliSegmentArray::SetClass(Text_t *classname)
129 //set class of stored object
131 //delete fClass; not ower of fClass
147 ::Fatal("AliSegmentArray::AliSegmentArray", "ROOT system not initialized");
149 fClass = gROOT->GetClass(classname);
151 Error("AliSegmentArray", "%s is not a valid class name", classname);
154 if (!fClass->InheritsFrom(AliSegmentID::Class())) {
155 Error("AliSegmentArray", "%s does not inherit from AliSegmentID", classname);
162 AliSegmentID * AliSegmentArray::NewSegment()
165 //create object according class information
166 if (fClass==0) return 0;
167 AliSegmentID * segment = (AliSegmentID * )fClass->New();
168 if (segment == 0) return 0;
173 Bool_t AliSegmentArray::AddSegment(AliSegmentID *segment)
176 // add segment to array
178 if (segment==0) return kFALSE;
179 if (fSegment==0) return kFALSE;
180 if (fClass==0) return kFALSE;
181 if (!(segment->IsA()->InheritsFrom(fClass))){
182 Error("AliSegmentArray", "added class %s is not of proper type ",
183 segment->IsA()->GetName());
186 fSegment->AddAt(segment,segment->GetID());
187 fNSegment = fSegment->GetLast()+1;
191 AliSegmentID * AliSegmentArray::AddSegment(Int_t index)
194 // add segment to array
196 if (fSegment==0) return 0;
197 if (fClass==0) return 0;
198 AliSegmentID * segment = NewSegment();
199 if (segment == 0) return 0;
200 fSegment->AddAt(segment,index);
201 segment->SetID(index);
202 fNSegment = fSegment->GetLast()+1;
207 void AliSegmentArray::ClearSegment(Int_t index)
210 //remove segment from active memory
212 if ((*fSegment)[index]){
213 // (*fSegment)[index]->Delete(); //not working for TClonesArray
214 delete (*fSegment)[index]; //because problem with deleting TClonesArray
215 fSegment->RemoveAt(index);
220 Bool_t AliSegmentArray::MakeArray(Int_t n)
223 //make array of pointers to Segments
229 fSegment = new TObjArray(n);
231 if (fSegment) return kTRUE;
236 void AliSegmentArray::MakeTree(char *file)
238 // AliSegmentID segment;
239 AliSegmentID * psegment = NewSegment();
240 if (fTree) delete fTree;
241 fTree = new TTree("Segment Tree","Tree with segments");
242 fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000,1);
244 TDirectory *wd = gDirectory;
245 fBranch->SetFile(file);
246 TBranch *b = fBranch;
247 TIter next( b->GetListOfBranches());
248 while ((b=(TBranch*)next())) {
251 cout << "Diverting branch " << "Segment" << " to file " << file << endl;
257 Bool_t AliSegmentArray::MakeDictionary(Int_t size)
260 //create index table for tree
262 if (size<1) return kFALSE;
263 if (fTreeIndex) delete fTreeIndex;
264 fTreeIndex = new AliArrayI();
265 fTreeIndex->Set(size);
267 AliSegmentID * psegment = NewSegment(); //MI change
268 fBranch->SetAddress(&psegment);
269 TBranch * brindix = fTree->GetBranch("fSegmentID");
270 Int_t nevent = (Int_t)fTree->GetEntries();
271 for (Int_t i = 0; i<nevent; i++){
272 brindix->GetEvent(i);
273 Int_t treeIndex=psegment->GetID();
274 if (fTreeIndex->fN<treeIndex) fTreeIndex->Expand(Int_t(Float_t(treeIndex)*1.5)+1);
275 // Int_t index = segment.GetID();
276 (*fTreeIndex)[treeIndex]=i+1; //
278 if (psegment) delete psegment;
282 Bool_t AliSegmentArray::ConnectTree(const char * treeName)
284 //connect tree from current directory
290 fTree =(TTree*)gDirectory->Get(treeName);
291 if (fTree == 0) return kFALSE;
292 fBranch = fTree->GetBranch("Segment");
293 if (fBranch==0) return kFALSE;
294 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
295 MakeArray(fTreeIndex->fN);
299 AliSegmentID *AliSegmentArray::LoadSegment(Int_t index)
302 //load segment with index to the memory
305 if (fTreeIndex ==0 ) MakeDictionary(3000);
306 //firstly try to load dictionary
307 if (fTreeIndex ==0 ) return 0;
308 if (fBranch==0) return 0;
309 if (index>fTreeIndex->fN) return 0;
310 AliSegmentID *s = (AliSegmentID*)(*fSegment)[index];
311 if (s==0) s= NewSegment();
313 // new AliSegmentID(index);
316 Int_t treeIndex =(*fTreeIndex)[index];
317 if (treeIndex<1) return 0;
318 else treeIndex--; //I don't like it Int table I have index shifted by 1
319 fBranch->SetAddress(&s);
320 fTree->GetEvent(treeIndex);
321 (*fSegment)[index] = (TObject*) s;
328 AliSegmentID *AliSegmentArray::LoadEntry(Int_t index)
331 //load segment at position inex in tree to the memory
334 if (fBranch==0) return 0;
335 if (index>fTree->GetEntries()) return 0;
336 AliSegmentID * s = NewSegment();
339 fBranch->SetAddress(&s);
340 fTree->GetEvent(index);
344 Int_t nindex = s->GetID();
345 ClearSegment(nindex);
346 (*fSegment)[nindex] = (TObject*) s;
350 void AliSegmentArray::StoreSegment(Int_t index)
353 //make segment persistent
355 const AliSegmentID * ksegment = (*this)[index];
356 if (ksegment == 0 ) return;
357 if (fTree==0) MakeTree();
358 fBranch->SetAddress(&ksegment);
363 void AliSegmentArray::Streamer(TBuffer &R__b)
365 TObjString treeName, * ptreeName=&treeName;
366 if (R__b.IsReading()) {
367 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
368 TNamed::Streamer(R__b);
370 if (fTree) delete fTree;
371 ConnectTree(ptreeName->String());
373 R__b.WriteVersion(AliSegmentArray::IsA());
374 TNamed::Streamer(R__b);
376 // sprintf(ch,"%s",fTrre->GetTitle());
377 treeName.String() = fTree->GetTitle();