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<?php

/* --------------------------------------------------------------
   ProductListProviderInterface.inc.php 2015-12-09
   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 ProductListProviderInterface
 *
 * @category   System
 * @package    Product
 * @subpackage Interfaces
 */
interface ProductListProviderInterface
{
    /**
     * Returns a product list item collection by the provided category ID.
     *
     * @param IdType $categoryId Category ID.
     *
     * @return ProductListItemCollection
     */
    public function getByCategoryId(IdType $categoryId);
    
    
    /**
     * Returns all product list items.
     *
     * @return ProductListItemCollection
     */
    public function getAll();
    
    
    /**
     * Returns a paged list of product items.
     *
     * @param \IntType|null $page  (Optional) Offset of resource elements.
     * @param \IntType|null $limit (Optional) Maximum amount of elements per page.
     *
     * @return \ProductListItemCollection
     */
    public function getAllPaged(IntType $page = null, IntType $limit = null);
}