/**
  * Returns whether to redirect to checkout after going to cart.
  * 
  * @return bool
  *
  * @author Sebastian Diel <*****@*****.**>
  * @since 08.04.2014
  */
 public static function RedirectToCheckoutWhenInCart()
 {
     if (is_null(self::$redirectToCheckoutWhenInCart)) {
         self::$redirectToCheckoutWhenInCart = self::getConfig()->redirectToCheckoutWhenInCart;
     }
     return self::$redirectToCheckoutWhenInCart;
 }