import java.util.*;

public abstract class Node {

  Node() { }

  Node (String name)
  {
     _nName = name;  
     _nSize = 10;
  }
  
  int getSize() 
  { 
    return (_nSize); 
  }

  void  setSize(int size) { _nSize = size; }

  public String getName() { return _nName; }

  public void setName(String name) { _nName = name; }

//  abstract void Accept(DuVisitor du);
 
  abstract int GetTotalSize(String option);

//  String getGroup()

//  void setGroup(String grp)

//  String getAccessedDate()

//  void setAccessedDate(String date)

private char    _fType;
private String _nOwner;
private String _nGroup;
private int     _nSize;
private String _accessedDate;
private String _nName;

// private Vector _children;

}