/**
* Class Constructor that gets an instance of the System_Database_Root
*
* @access public
* @return Object instance of this class
*/
public function __construct()
{
$this->_validator = System_Registry_Storage::get('System_Utility_Validate');
$this->_system_log = System_Registry_Storage::get('System_Log_Controller');
$this->_unit_of_work = System_Database_Work::getInstance();
$this->_registration_id = $this->defineRegistrationId();
$this->setIndexes();
return $this;
}
/**
* returns an instance of this class
*
* @static
* @return Object, instance of this class
*/
public static function getInstance()
{
if (!self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
