<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_Cloud * @subpackage QueueService * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ require_once 'Zend/Cloud/AbstractFactory.php'; /** * @category Zend * @package Zend_Cloud * @subpackage QueueService * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Cloud_QueueService_Factory extends Zend_Cloud_AbstractFactory { const QUEUE_ADAPTER_KEY = 'queue_adapter'; /** * @var string Interface which adapter must implement to be considered valid */ protected static $_adapterInterface = 'Zend_Cloud_QueueService_Adapter'; /** * Constructor * * @return void */ private function __construct() { // private ctor - should not be used } /** * Retrieve QueueService adapter * * @param array $options * @return void */ public static function getAdapter($options = array()) { $adapter = parent::_getAdapter(self::QUEUE_ADAPTER_KEY, $options); if (!$adapter) { require_once 'Zend/Cloud/QueueService/Exception.php'; throw new Zend_Cloud_QueueService_Exception('Class must be specified using the \'' . self::QUEUE_ADAPTER_KEY . '\' key'); } elseif (!$adapter instanceof self::$_adapterInterface) { require_once 'Zend/Cloud/QueueService/Exception.php'; throw new Zend_Cloud_QueueService_Exception( 'Adapter must implement \'' . self::$_adapterInterface . '\'' ); } return $adapter; } }