public String getComment() 
{
        return _comment;
}

 public int getMaxOccurs() 
{
        return _maxOccurs;
}

 public int getMinOccurs() 
{
        return _minOccurs;
}

 public QName getName() 
{
        return _name;
}

 public Element getRef() 
{
        return _ref;
}

 public Type getType() 
{
        return isRef() ? getRef().getType() : _type;
}

 public boolean isGlobal() 
{
        return _isGlobal;
}

 public boolean isNillable() 
{
        return _isNillable;
}

 public boolean isRef() 
{
        return _ref!=null;
}

 public  void setComment(String comment) 
{
        _comment = comment;
}

 public  void setGlobal(boolean isGlobal) 
{
        _isGlobal = isGlobal;
        _minOccurs = 1;
        _maxOccurs = 1;
}

 public  void setMaxOccurs(int maxOccurs) 
{
        _maxOccurs = maxOccurs;
}

 public  void setMinOccurs(int minOccurs) 
{
        _minOccurs = minOccurs;
}

 public  void setName(QName name) 
{
        _name = name;
}

 public  void setNillable(boolean isNillable) 
{
        _isNillable = isNillable;
}

 public  void setRef(Element ref) 
{
        assert _isGlobal==false;
        _ref = ref;
        _type = null;
}

 public  void setType(Type type) 
{
        assert !isRef();
        _type = type;
}

 public String toString() 
{
        return "\n  Element{" +
            " _name = " + _name +
            ", _ref = " + (_ref!=null) +
            ", _isGlobal = " + _isGlobal +
            ", _minOccurs = " + _minOccurs +
            ", _maxOccurs = " + _maxOccurs +
            ", _isNillable = " + _isNillable +
            ", _comment = " + _comment +
            ",\n    _type = " + ( _type==null ? "null" :
                (_type.isGlobal() ? _type.getName().toString() : _type.toString())) +
            "\n  }";
}