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<?php

/* --------------------------------------------------------------
   ProductAttributeRepositoryWriterInterface.inc.php 2016-01-07
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2015 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

/**
 * Interface ProductAttributeRepositoryWriterInterface
 *
 * @category   System
 * @package    ProductModule
 * @subpackage Interface
 */
interface ProductAttributeRepositoryWriterInterface
{
    /**
     * Adds a product attribute entity to a product by the given product id.
     *
     * @param IdType                    $productId        Id of product entity which should belongs to the added
     *                                                     attributes.
     * @param ProductAttributeInterface $productAttribute Product attribute entity to add to the product.
     *
     * @return int Id of the stored product attribute.
     */
    public function insertIntoProduct(IdType $productId, ProductAttributeInterface $productAttribute);


    /**
     * Updates a product attribute entity.
     *
     * @param StoredProductAttributeInterface $productAttribute Product attribute entity to update.
     *
     * @return ProductAttributeRepositoryWriterInterface|$this Same instance for chained method calls.
     */
    public function update(StoredProductAttributeInterface $productAttribute);
}