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<?php
/* --------------------------------------------------------------
   SharedShoppingCartWriterInterface.inc.php 2016-04-08 gm
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

/**
 * Interface SharedShoppingCartWriterInterface
 *
 * @category   System
 * @package    SharedShoppingCart
 * @subpackage Interfaces
 */
interface SharedShoppingCartWriterInterface
{
    /**
     * Stores a shopping cart.
     *
     * @param StringType  $shoppingCartHash Hash of the shopping cart
     * @param StringType  $jsonShoppingCart JSON representation of the shopping cart
     * @param IdType|null $userId           Id of the user sharing the shopping cart
     *
     * @return $this|SharedShoppingCartWriterInterface Same instance for chained method calls.
     */
    public function storeShoppingCart(StringType $shoppingCartHash,
                                      StringType $jsonShoppingCart,
                                      IdType $userId = null);
}