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 1.3 2000/06/30 12:07:49 kowal2
19 Updated from the TPC-PreRelease branch
21 Revision 1.2.4.1 2000/06/25 08:38:41 kowal2
22 Splitted from AliTPCtracking
24 Revision 1.2 2000/04/17 09:37:33 kowal2
25 removed obsolete AliTPCDigitsDisplay.C
27 Revision 1.1.4.2 2000/04/10 11:39:36 kowal2
29 New data structure handling
33 ///////////////////////////////////////////////////////////////////////////////
35 // Alice segment manager object //
37 ///////////////////////////////////////////////////////////////////////////////
41 #include "TClonesArray.h"
42 #include "TDirectory.h"
43 #include "AliArrayI.h"
47 #include "AliSegmentID.h"
48 #include "AliSegmentArray.h"
49 #include "TObjString.h"
52 //_____________________________________________________________________________
53 ClassImp(AliSegmentArray)
55 AliSegmentArray::AliSegmentArray()
67 AliSegmentArray::AliSegmentArray(Text_t *classname, Int_t n)
72 // Create an array of objects of classname. The class must inherit from
73 // AliSegmentID . The second argument adjust number of entries in
80 SetName("SegmentArray");
81 SetTitle("SegmentArray");
84 if (MakeArray(n)==kFALSE){
85 Error("AliSegmentArray", "can't allocate %d segments in memory",n);
90 AliSegmentArray::AliSegmentArray(const AliSegmentArray &segment)
94 // to be later implemented
97 AliSegmentArray &AliSegmentArray::operator = (const AliSegmentArray & segment)
100 //to be later implemented
104 AliSegmentArray::~AliSegmentArray()
107 // default destructor
112 if (fTree) delete fTree;
113 if (fTreeIndex) delete fTreeIndex;
114 if (fClass!=0) delete fClass;
118 Bool_t AliSegmentArray::SetClass(Text_t *classname)
121 //set class of stored object
139 ::Fatal("AliSegmentArray::AliSegmentArray", "ROOT system not initialized");
141 fClass = gROOT->GetClass(classname);
143 Error("AliSegmentArray", "%s is not a valid class name", classname);
146 if (!fClass->InheritsFrom(AliSegmentID::Class())) {
147 Error("AliSegmentArray", "%s does not inherit from AliSegmentID", classname);
154 AliSegmentID * AliSegmentArray::NewSegment()
157 //create object according class information
158 if (fClass==0) return 0;
159 AliSegmentID * segment = (AliSegmentID * )fClass->New();
160 if (segment == 0) return 0;
165 Bool_t AliSegmentArray::AddSegment(AliSegmentID *segment)
168 // add segment to array
170 if (segment==0) return kFALSE;
171 if (fSegment==0) return kFALSE;
172 if (fClass==0) return kFALSE;
173 if (!(segment->IsA()->InheritsFrom(fClass))){
174 Error("AliSegmentArray", "added class %s is not of proper type ",
175 segment->IsA()->GetName());
178 fSegment->AddAt(segment,segment->GetID());
179 fNSegment = fSegment->GetLast()+1;
183 AliSegmentID * AliSegmentArray::AddSegment(Int_t index)
186 // add segment to array
188 if (fSegment==0) return 0;
189 if (fClass==0) return 0;
190 AliSegmentID * segment = NewSegment();
191 if (segment == 0) return 0;
192 fSegment->AddAt(segment,index);
193 segment->SetID(index);
194 fNSegment = fSegment->GetLast()+1;
199 void AliSegmentArray::ClearSegment(Int_t index)
202 //remove segment from active memory
204 if ((*fSegment)[index]){
205 // (*fSegment)[index]->Delete(); //not working for TClonesArray
206 delete (*fSegment)[index]; //because problem with deleting TClonesArray
207 fSegment->RemoveAt(index);
212 Bool_t AliSegmentArray::MakeArray(Int_t n)
215 //make array of pointers to Segments
221 fSegment = new TObjArray(n);
223 if (fSegment) return kTRUE;
228 void AliSegmentArray::MakeTree()
230 // AliSegmentID segment;
231 AliSegmentID * psegment = NewSegment();
232 if (fTree) delete fTree;
233 fTree = new TTree("Segment Tree","Tree with segments");
234 fBranch = fTree->Branch("Segment",psegment->IsA()->GetName(),&psegment,64000,1);
238 Bool_t AliSegmentArray::MakeDictionary(Int_t size)
241 //create index table for tree
243 if (size<1) return kFALSE;
244 if (fTreeIndex) delete fTreeIndex;
245 fTreeIndex = new AliArrayI();
246 fTreeIndex->Set(size);
248 AliSegmentID segment;
249 AliSegmentID * psegment = &segment;
250 fBranch->SetAddress(&psegment);
251 TBranch * brindix = fTree->GetBranch("fSegmentID");
252 Int_t nevent = (Int_t)fTree->GetEntries();
253 for (Int_t i = 0; i<nevent; i++){
254 brindix->GetEvent(i);
255 Int_t treeIndex=segment.GetID();
256 if (fTreeIndex->fN<treeIndex) fTreeIndex->Expand(Int_t(Float_t(treeIndex)*1.5)+1);
257 // Int_t index = segment.GetID();
258 (*fTreeIndex)[treeIndex]=i+1; //
263 Bool_t AliSegmentArray::ConnectTree(const char * treeName)
265 //connect tree from current directory
271 fTree =(TTree*)gDirectory->Get(treeName);
272 if (fTree == 0) return kFALSE;
273 fBranch = fTree->GetBranch("Segment");
274 if (fBranch==0) return kFALSE;
275 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
276 MakeArray(fTreeIndex->fN);
280 AliSegmentID *AliSegmentArray::LoadSegment(Int_t index)
283 //load segment with index to the memory
286 if (fTreeIndex ==0 ) MakeDictionary(3000);
287 //firstly try to load dictionary
288 if (fTreeIndex ==0 ) return 0;
289 if (fBranch==0) return 0;
290 if (index>fTreeIndex->fN) return 0;
291 AliSegmentID *s = (AliSegmentID*)(*fSegment)[index];
292 if (s==0) s= NewSegment();
294 // new AliSegmentID(index);
297 Int_t treeIndex =(*fTreeIndex)[index];
298 if (treeIndex<1) return 0;
299 else treeIndex--; //I don't like it Int table I have index shifted by 1
300 fBranch->SetAddress(&s);
301 fTree->GetEvent(treeIndex);
302 (*fSegment)[index] = (TObject*) s;
309 AliSegmentID *AliSegmentArray::LoadEntry(Int_t index)
312 //load segment at position inex in tree to the memory
315 if (fBranch==0) return 0;
316 if (index>fTree->GetEntries()) return 0;
317 AliSegmentID * s = NewSegment();
320 fBranch->SetAddress(&s);
321 fTree->GetEvent(index);
325 Int_t nindex = s->GetID();
326 ClearSegment(nindex);
327 (*fSegment)[nindex] = (TObject*) s;
331 void AliSegmentArray::StoreSegment(Int_t index)
334 //make segment persistent
336 const AliSegmentID * ksegment = (*this)[index];
337 if (ksegment == 0 ) return;
338 if (fTree==0) MakeTree();
339 fBranch->SetAddress(&ksegment);
344 void AliSegmentArray::Streamer(TBuffer &R__b)
346 TObjString treeName, * ptreeName=&treeName;
347 if (R__b.IsReading()) {
348 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
349 TNamed::Streamer(R__b);
351 if (fTree) delete fTree;
352 ConnectTree(ptreeName->String());
354 R__b.WriteVersion(AliSegmentArray::IsA());
355 TNamed::Streamer(R__b);
357 // sprintf(ch,"%s",fTrre->GetTitle());
358 treeName.String() = fTree->GetTitle();