/**
* Override of getById in RedBeanModel in order to cache the result. Currency rarely changes, so caching
* the currency on this method provides a performance boost.
* @param integer $id
* @param string $modelClassName
*/
public static function getById($id, $modelClassName = null)
{
assert('$modelClassName == "Currency" || $modelClassName == null');
if (isset(self::$cachedCurrencyById[$id])) {
return self::$cachedCurrencyById[$id];
}
$currency = parent::getById($id, $modelClassName);
self::$cachedCurrencyById[$id] = $currency;
return $currency;
}
