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 2000/05/08 16:17:27 cblume
21 Revision 1.1.4.1 2000/05/08 14:55:03 cblume
24 Revision 1.1 2000/02/28 19:02:56 cblume
29 ///////////////////////////////////////////////////////////////////////////////
31 // Alice segment manager object //
33 // AliTRDsegmentIDArray object is array of pointers to object derived from //
34 // AliTRDsegmentID object //
35 // AliTRDsegmentID - object in comparison with TObject enhalt //
36 // additional information fSegmentID //
38 ///////////////////////////////////////////////////////////////////////////////
42 #include "TClonesArray.h"
43 #include "TDirectory.h"
44 #include "AliTRDarrayI.h"
48 #include "AliTRDsegmentID.h"
49 #include "AliTRDsegmentArrayBase.h"
51 ClassImp(AliTRDsegmentArrayBase)
53 //_____________________________________________________________________________
54 AliTRDsegmentArrayBase::AliTRDsegmentArrayBase()
68 //_____________________________________________________________________________
69 AliTRDsegmentArrayBase::AliTRDsegmentArrayBase(Text_t *classname, Int_t n)
74 // Create an array of objects of classname. The class must inherit from
75 // AliTRDsegmentID . The second argument adjust number of entries in
83 if (MakeArray(n)==kFALSE){
84 Error("AliTRDsegmentArrayBase", "can't allocate %d segments in memory",n);
89 //_____________________________________________________________________________
90 Bool_t AliTRDsegmentArrayBase:: SetClass(Text_t *classname)
93 //set class of stored object
111 ::Fatal("AliTRDsegmentArrayBase::AliTRDsegmentArrayBase", "ROOT system not initialized");
113 fClass = gROOT->GetClass(classname);
115 Error("AliTRDsegmentArrayBase", "%s is not a valid class name", classname);
118 if (!fClass->InheritsFrom(AliTRDsegmentID::Class())) {
119 Error("AliTRDsegmentArrayBase", "%s does not inherit from AliTRDsegmentID", classname);
125 //_____________________________________________________________________________
126 //Bool_t AliTRDsegmentArrayBase::ClassError( )
128 //signalize class error
130 // Error("AliTRDsegmentArrayBase", "%s is not a valid class name", classname);
136 //_____________________________________________________________________________
137 AliTRDsegmentArrayBase::~AliTRDsegmentArrayBase()
143 if (fTree) delete fTree;
144 if (fTreeIndex) delete fTreeIndex;
145 if (fClass!=0) delete fClass;
148 //_____________________________________________________________________________
149 AliTRDsegmentID * AliTRDsegmentArrayBase::NewSegment()
152 //create object according class information
153 if (fClass==0) return 0;
154 AliTRDsegmentID * segment = (AliTRDsegmentID * )fClass->New();
155 if (segment == 0) return 0;
159 //_____________________________________________________________________________
160 Bool_t AliTRDsegmentArrayBase::AddSegment(AliTRDsegmentID *segment)
163 // add segment to array
165 if (segment==0) return kFALSE;
166 if (fSegment==0) return kFALSE;
167 if (fClass==0) return kFALSE;
168 if (!(segment->IsA()->InheritsFrom(fClass))){
169 Error("AliTRDsegmentArrayBase", "added class %s is not of proper type ",
170 segment->IsA()->GetName());
173 fSegment->AddAt(segment,segment->GetID());
174 fNSegment = fSegment->GetLast()+1;
178 //_____________________________________________________________________________
179 AliTRDsegmentID * AliTRDsegmentArrayBase::AddSegment(Int_t index)
182 // add segment to array
184 if (fSegment==0) return 0;
185 if (fClass==0) return 0;
186 // AliTRDsegmentID * segment = (AliTRDsegmentID * )fClass->New();
187 AliTRDsegmentID * segment = NewSegment();
188 if (segment == 0) return 0;
189 fSegment->AddAt(segment,index);
190 segment->SetID(index);
191 fNSegment = fSegment->GetLast()+1;
195 //_____________________________________________________________________________
196 Bool_t AliTRDsegmentArrayBase::MakeArray(Int_t n)
199 //make array of pointers to Segments
205 if (fTreeIndex) delete fTreeIndex;
206 fSegment = new TObjArray(n);
207 fTreeIndex = new AliTRDarrayI;
210 if ( (fSegment) && (fTreeIndex)) return kTRUE;
214 //_____________________________________________________________________________
215 void AliTRDsegmentArrayBase::ClearSegment(Int_t index)
218 //remove segment from active memory
220 if ((*fSegment)[index]){
221 // (*fSegment)[index]->Delete(); //not working for TClonesArray
222 delete (*fSegment)[index]; //because problem with deleting TClonesArray
223 fSegment->RemoveAt(index);
227 //_____________________________________________________________________________
228 void AliTRDsegmentArrayBase::MakeTree()
230 // AliTRDsegmentID segment;
231 AliTRDsegmentID * 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 //_____________________________________________________________________________
239 Bool_t AliTRDsegmentArrayBase::ConnectTree(const char * treeName)
241 //connect tree from current directory
247 fTree =(TTree*)gDirectory->Get(treeName);
248 if (fTree == 0) return kFALSE;
249 fBranch = fTree->GetBranch("Segment");
250 if (fBranch==0) return kFALSE;
251 MakeDictionary(TMath::Max(fNSegment,Int_t(fTree->GetEntries())));
255 //_____________________________________________________________________________
256 AliTRDsegmentID *AliTRDsegmentArrayBase::LoadSegment(Int_t index)
259 //load segment with index to the memory
262 if (fTreeIndex ==0 ) MakeDictionary(3000);
263 //firstly try to load dictionary
264 if (fTreeIndex ==0 ) return 0;
265 if (fBranch==0) return 0;
266 if (index>fTreeIndex->fN) return 0;
267 AliTRDsegmentID *s = (AliTRDsegmentID*)(*fSegment)[index];
268 if (s==0) s= NewSegment();
270 // new AliTRDsegmentID(index);
273 Int_t treeIndex =(*fTreeIndex)[index];
274 if (treeIndex<1) return 0;
275 else treeIndex--; //I don't like it Int table I have index shifted by 1
276 fBranch->SetAddress(&s);
277 fTree->GetEvent(treeIndex);
278 (*fSegment)[index] = (TObject*) s;
283 // AbstractMethod("LoadSegment");
286 //_____________________________________________________________________________
287 AliTRDsegmentID *AliTRDsegmentArrayBase::LoadEntry(Int_t index)
290 //load segment at position inex in tree to the memory
293 if (fBranch==0) return 0;
294 if (index>fTree->GetEntries()) return 0;
295 AliTRDsegmentID * s = NewSegment();
298 fBranch->SetAddress(&s);
299 fTree->GetEvent(index);
303 Int_t nindex = s->GetID();
304 ClearSegment(nindex);
305 (*fSegment)[nindex] = (TObject*) s;
307 // AbstractMethod("LoadSegment");
310 void AliTRDsegmentArrayBase::StoreSegment(Int_t index)
313 //make segment persistent
315 const AliTRDsegmentID * segment = (*this)[index];
316 if (segment == 0 ) return;
317 if (fTree==0) MakeTree();
318 fBranch->SetAddress(&segment);
322 //_____________________________________________________________________________
323 Bool_t AliTRDsegmentArrayBase::MakeDictionary(Int_t size)
326 //create index table for tree
328 if (size<1) return kFALSE;
329 if (fTreeIndex) delete fTreeIndex;
330 fTreeIndex = new AliTRDarrayI();
331 fTreeIndex->Set(size);
333 AliTRDsegmentID segment;
334 AliTRDsegmentID * psegment = &segment;
335 fBranch->SetAddress(&psegment);
336 TBranch * brindix = fTree->GetBranch("fSegmentID");
337 Int_t nevent = (Int_t)fTree->GetEntries();
338 for (Int_t i = 0; i<nevent; i++){
339 brindix->GetEvent(i);
340 Int_t treeIndex=segment.GetID();
341 if (fTreeIndex->fN<treeIndex) fTreeIndex->Expand(Int_t(Float_t(treeIndex)*1.5)+1);
342 // Int_t index = segment.GetID();
343 (*fTreeIndex)[treeIndex]=i+1; // MI 19.5. I'm sorry -index 0 couldn't be use in AliTRDarrayI
348 //_____________________________________________________________________________
349 const AliTRDsegmentID* AliTRDsegmentArrayBase::operator[](Int_t i)
352 //return segment with given index
354 if ( (i<0) || (i>=fNSegment)) return 0;
355 return (AliTRDsegmentID *)fSegment->At(i);
358 //_____________________________________________________________________________
359 const AliTRDsegmentID* AliTRDsegmentArrayBase::At(Int_t i)
362 //return segment with given index
364 if ( (i<0) || (i>=fNSegment)) return 0;
365 return (AliTRDsegmentID *)((*fSegment)[i]);