1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Cloud

    17  * @subpackage QueueService

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  */

    21 

    22 require_once 'Zend/Cloud/AbstractFactory.php';

    23 

    24 /**

    25  * @category   Zend

    26  * @package    Zend_Cloud

    27  * @subpackage QueueService

    28  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    29  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    30  */

    31 class Zend_Cloud_QueueService_Factory extends Zend_Cloud_AbstractFactory

    32 {

    33     const QUEUE_ADAPTER_KEY = 'queue_adapter';

    34 

    35     /**

    36      * @var string Interface which adapter must implement to be considered valid

    37      */

    38     protected static $_adapterInterface = 'Zend_Cloud_QueueService_Adapter';

    39 

    40     /**

    41      * Constructor

    42      * 

    43      * @return void

    44      */

    45     private function __construct()

    46     {

    47         // private ctor - should not be used

    48     }

    49     

    50     /**

    51      * Retrieve QueueService adapter

    52      * 

    53      * @param  array $options 

    54      * @return void

    55      */

    56     public static function getAdapter($options = array()) 

    57     {

    58         $adapter = parent::_getAdapter(self::QUEUE_ADAPTER_KEY, $options);

    59         if (!$adapter) {

    60             require_once 'Zend/Cloud/QueueService/Exception.php';

    61             throw new Zend_Cloud_QueueService_Exception('Class must be specified using the \'' .

    62             self::QUEUE_ADAPTER_KEY . '\' key');

    63         } elseif (!$adapter instanceof self::$_adapterInterface) {

    64             require_once 'Zend/Cloud/QueueService/Exception.php';

    65             throw new Zend_Cloud_QueueService_Exception(

    66                 'Adapter must implement \'' . self::$_adapterInterface . '\''

    67             );

    68         }

    69         return $adapter;

    70     }

    71 }