#ifndef ALIOBJMATRIX_H
#define ALIOBJMATRIX_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

// $Id$

#include "Riostream.h"
 
#include "TObject.h"
#include "TObjArray.h"

class AliObjMatrix : public TObject
{
 public:
  AliObjMatrix();                                             // Default constructor
  ~AliObjMatrix();                                            // Default destructor
  virtual void Reset();                                       // Reset the whole matrix structure
  virtual void SetOwner(Int_t own=1);                         // Set the owner flag for the stored objects
  virtual Int_t GetOwner();                                   // Provide the owner flag for the stored objects
  virtual void SetSwapMode(Int_t swap=1);                     // Set the swap mode flag for this matrix
  virtual Int_t GetSwapMode();                                // Provide the swap mode flag for this matrix
  virtual void EnterObject(Int_t row,Int_t col,TObject* obj); // Enter an object into the matrix
  virtual TObject* GetObject(Int_t row,Int_t col);            // Provide an object from the matrix
  virtual Int_t GetMaxRow();                                  // Provide the maximum row number index
  virtual Int_t GetMaxColumn();                               // Provide the maximum column number index
  virtual Int_t GetNobjects();                                // Provide the number of stored objects
 
 protected:
  TObjArray* fRows; // Pointers to the various arrays representing the matrix rows
  Int_t fOwn;       // Flag to indicate whether the objects are owned by the matrix structure
  Int_t fSwap;      // Flag to indicate swapped mode for internal matrix storage
  Int_t fMaxrow;    // The maximum row number index
  Int_t fMaxcol;    // The maximum column number index
  Int_t fNobjects;  // The number of stored objects
 
 ClassDef(AliObjMatrix,1) // Handling of a matrix structure of objects.
};
#endif