/**
* Returns a by-reference the assertor object
* @return vB_dB_Assertor
*/
public static function &getDbAssertor()
{
if (!isset(self::$db_assertor)) {
vB_dB_Assertor::init(self::getConfig());
self::$db_assertor = vB_dB_Assertor::instance();
}
return self::$db_assertor;
}
