/**
* initNullObject
* initializes the null object
*
* @param Doctrine_Null $null
* @return void
*/
public static function initNullObject(Doctrine_Null $null)
{
self::$_null = $null;
}
/**
* constructor
*
* this is private constructor (use getInstance to get an instance of this class)
*/
private function __construct()
{
$this->_root = dirname(__FILE__);
Doctrine_Object::initNullObject(new Doctrine_Null());
}
