/**
* Returns an instance of class (singleton pattern implementation).
*
* @return BOL_ComponentSettingDao
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
protected function __construct()
{
parent::__construct();
$this->componentPositionDao = BOL_ComponentEntityPositionDao::getInstance();
$this->componentSettingDao = BOL_ComponentEntitySettingDao::getInstance();
$this->placeSchemeDao = BOL_PlaceEntitySchemeDao::getInstance();
$this->componentPlaceDao = BOL_ComponentEntityPlaceDao::getInstance();
}