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 ///////////////////////////////////////////////////////////////////////////
20 // Handling of a matrix structure of objects.
21 // All objects which are derived from TObject may be entered into the matrix
22 // structure. This means that also TObjArray objects can be entered,
23 // which implies an increase of the dimension of the resulting structure.
28 // AliObjMatrix* matrix=new AliObjMatrix();
29 // matrix->SetOwner();
30 // matrix->SetSwapMode();
41 // s->SetPosition(pos,"car");
42 // matrix->EnterObject(6,21,s);
45 // s->SetSignal(25.84);
49 // s->SetPosition(pos,"car");
50 // matrix->EnterObject(8,13,s);
53 // s->SetSignal(87.25);
57 // s->SetPosition(pos,"car");
58 // matrix->EnterObject(64,3,s);
60 // Int_t nrows=matrix->GetMaxRow();
61 // Int_t ncols=matrix->GetMaxColumn();
63 // cout << " Maxrow : " << nrows << " Maxcol : " << ncols
64 // << " Nobjects : " << matrix->GetNobjects() << endl;
66 // for (Int_t i=1; i<=nrows; i++)
68 // for (Int_t j=1; j<=ncols; j++)
70 // s=(AliSignal*)matrix->GetObject(i,j);
71 // if (s) cout << " At (" << i << "," << j << ") Signal : " << s->GetSignal() << endl;
75 //--- Author: Nick van Eijndhoven 23-jan-2003 Utrecht University
76 //- Modified: NvE $Date$ Utrecht University
77 ///////////////////////////////////////////////////////////////////////////
79 #include "AliObjMatrix.h"
80 #include "Riostream.h"
82 ClassImp(AliObjMatrix) // Class implementation to enable ROOT I/O
84 AliObjMatrix::AliObjMatrix() : TObject()
86 // Default constructor.
87 // Note : The owner and swap mode flags will be initialised to 0.
88 // See the memberfunctions SetOwner() and SetSwapMode() for further
97 ///////////////////////////////////////////////////////////////////////////
98 AliObjMatrix::~AliObjMatrix()
100 // Default destructor.
112 ///////////////////////////////////////////////////////////////////////////
113 void AliObjMatrix::Reset()
115 // Reset the whole matrix structure.
116 // Note : The values of the owner and swap mode flags will not be modified.
117 // To modify the ownership, use the memberfunction SetOwner().
118 // To modify the swap mode, use the memberfunction SetSwapMode().
133 ///////////////////////////////////////////////////////////////////////////
134 void AliObjMatrix::SetOwner(Int_t own)
136 // Set the owner flag (0/1) for the stored objects.
137 // When the owner flag is set to 1, all entered objects are owned by the
139 // At invokation of this memberfunction the default argument is own=1.
145 for (Int_t irow=0; irow<fRows->GetSize(); irow++)
147 TObjArray* mrow=(TObjArray*)fRows->At(irow);
152 mrow->SetOwner(kTRUE);
156 mrow->SetOwner(kFALSE);
161 ///////////////////////////////////////////////////////////////////////////
162 Int_t AliObjMatrix::GetOwner()
164 // Provide the owner flag for the stored objects.
167 ///////////////////////////////////////////////////////////////////////////
168 void AliObjMatrix::SetSwapMode(Int_t swap)
170 // Set the swap mode flag (0/1) for the internal matrix storage.
171 // In case the number of rows differs considerably from the number of columns,
172 // it might be more efficient (w.r.t. memory usage and/or output file size)
173 // to internally store the matrix with the rows and colums swapped.
174 // This swapping is only related with the internal storage and as such
175 // is completely hidden for the user.
176 // At invokation of this memberfunction the default argument is swap=1.
178 // Note : The swap mode can only be set as long as no objects have
179 // been stored in the matrix structure (i.e. a new instance
180 // of AliObjMatrix or after invokation of the Reset() function).
188 cout << " *AliObjMatrix::SetSwapMode* Matrix not empty ==> No action." << endl;
191 ///////////////////////////////////////////////////////////////////////////
192 Int_t AliObjMatrix::GetSwapMode()
194 // Provide the swap mode flag for this matrix.
197 ///////////////////////////////////////////////////////////////////////////
198 void AliObjMatrix::EnterObject(Int_t row,Int_t col,TObject* obj)
200 // Enter an object to the matrix structure at location (row,col).
201 // In case the location already contained an object, the existing object
202 // will first be removed before the new object is stored.
203 // According to the status of the owner flag (see the SetOwner() function)
204 // the existing object will also be deleted.
205 // Note : The first location in the matrix is indicated as (1,1).
208 cout << " *AliObjMatrix::AddObject* Invalid argument(s) (row,col) : ("
209 << row << "," << col << ")" << endl;
213 if (row>fMaxrow) fMaxrow=row;
214 if (col>fMaxcol) fMaxcol=col;
223 fRows=new TObjArray(rowx);
228 if (rowx > fRows->GetSize()) fRows->Expand(rowx);
231 TObjArray* mrow=(TObjArray*)fRows->At(rowx-1);
235 TObjArray* columns=new TObjArray(colx);
236 if (fOwn) columns->SetOwner();
237 fRows->AddAt(columns,rowx-1);
242 if (colx > mrow->GetSize()) mrow->Expand(colx);
245 TObject* old=(TObject*)mrow->At(colx-1);
248 fObjects->Remove(old);
249 fObjects->Compress();
250 if (fOwn) delete old;
253 mrow->AddAt(obj,colx-1);
255 if (!fObjects) fObjects=new TObjArray();
258 ///////////////////////////////////////////////////////////////////////////
259 void AliObjMatrix::RemoveObject(Int_t row,Int_t col)
261 // Remove the object stored at the matrix location (row,col).
262 // In case the object was owned by the matrix, it will be deleted.
264 // Note : The first location in the matrix is indicated as (1,1).
268 if (!fRows || row<1 || col<1) return;
277 if (rowx <= fRows->GetSize()) mrow=(TObjArray*)fRows->At(rowx-1);
281 if (colx <= mrow->GetSize()) obj=(TObject*)mrow->At(colx-1);
285 fObjects->Remove(obj);
286 fObjects->Compress();
288 if (fOwn) delete obj;
291 ///////////////////////////////////////////////////////////////////////////
292 TObject* AliObjMatrix::GetObject(Int_t row,Int_t col)
294 // Provide a pointer to the object stored at the matrix location (row,col).
295 // In case no object was stored at the indicated location or the location
296 // would reside outside the matrix boundaries, a value 0 will be returned.
297 // Note : The first location in the matrix is indicated as (1,1).
301 if (!fRows || row<1 || col<1) return obj;
310 if (rowx <= fRows->GetSize()) mrow=(TObjArray*)fRows->At(rowx-1);
312 if (!mrow) return obj;
314 if (colx <= mrow->GetSize()) obj=(TObject*)mrow->At(colx-1);
318 ///////////////////////////////////////////////////////////////////////////
319 TObject* AliObjMatrix::GetObject(Int_t j)
321 // Provide a pointer to the j-th stored object.
322 // In case the index j is invalid, a value 0 will be returned.
323 // The first stored object is indicated as j=1.
325 // Note : Do NOT delete the object.
326 // To remove an object, the memberfunction RemoveObject()
331 if (fObjects) nobj=fObjects->GetSize();
333 if (j>0 && j<=nobj) obj=(TObject*)fObjects->At(j-1);
337 ///////////////////////////////////////////////////////////////////////////
338 TObjArray* AliObjMatrix::GetObjects()
340 // Provide references to all the stored objects.
341 // In case no objects are present, a value 0 will be returned.
343 // Note : Do NOT make any changes to the reference array apart from
344 // changing the order of the pointers of the various objects.
345 // For addition or removal of objects, the memberfunctions
346 // EnterObject() and RemoveObject() should be used.
350 ///////////////////////////////////////////////////////////////////////////
351 Int_t AliObjMatrix::GetMaxRow()
353 // Provide the maximum row number index.
356 ///////////////////////////////////////////////////////////////////////////
357 Int_t AliObjMatrix::GetMaxColumn()
359 // Provide the maximum column number index.
362 ///////////////////////////////////////////////////////////////////////////
363 Int_t AliObjMatrix::GetNobjects()
365 // Provide the number of stored objects.
367 if (fObjects) nobj=fObjects->GetEntries();
371 ///////////////////////////////////////////////////////////////////////////