63 lines
1.7 KiB
PHP
63 lines
1.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @category Zend
|
||
|
|
* @package Zend_Cloud
|
||
|
|
* @subpackage Infrastructure
|
||
|
|
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Factory for infrastructure adapters
|
||
|
|
*
|
||
|
|
* @package Zend_Cloud
|
||
|
|
* @subpackage Infrastructure
|
||
|
|
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
|
*/
|
||
|
|
class Zend_Cloud_Infrastructure_Factory extends Zend_Cloud_AbstractFactory
|
||
|
|
{
|
||
|
|
const INFRASTRUCTURE_ADAPTER_KEY = 'infrastructure_adapter';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var string Interface which adapter must implement to be considered valid
|
||
|
|
*/
|
||
|
|
protected static $_adapterInterface = 'Zend_Cloud_Infrastructure_Adapter';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor
|
||
|
|
*
|
||
|
|
* Private ctor - should not be used
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
private function __construct()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve an adapter instance
|
||
|
|
*
|
||
|
|
* @param array $options
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function getAdapter($options = array())
|
||
|
|
{
|
||
|
|
$adapter = parent::_getAdapter(self::INFRASTRUCTURE_ADAPTER_KEY, $options);
|
||
|
|
|
||
|
|
if (!$adapter) {
|
||
|
|
throw new Zend_Cloud_Infrastructure_Exception(sprintf(
|
||
|
|
'Class must be specified using the "%s" key',
|
||
|
|
self::INFRASTRUCTURE_ADAPTER_KEY
|
||
|
|
));
|
||
|
|
} elseif (!$adapter instanceof self::$_adapterInterface) {
|
||
|
|
throw new Zend_Cloud_Infrastructure_Exception(sprintf(
|
||
|
|
'Adapter must implement "%s"', self::$_adapterInterface
|
||
|
|
));
|
||
|
|
}
|
||
|
|
return $adapter;
|
||
|
|
}
|
||
|
|
}
|