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@mbabker mbabker/Factory.php
Created Oct 26, 2014

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Factory Class
<?php
/**
* Application powering http://michaels.website
*
* @copyright Copyright (C) 2014 Michael Babker. All rights reserved.
* @license http://www.gnu.org/licenses/gpl-2.0.txt GNU General Public License Version 2 or Later
*/
namespace BabDev\Website;
use BabDev\Website\Entity\BaseRepository;
use Doctrine\ORM\Mapping\ClassMetadata;
use Joomla\DI\Container;
/**
* Application Factory
*
* @since 1.0
*/
class Factory
{
/**
* DI Container
*
* @var Container
* @since 1.0
*/
private $container;
/**
* Singleton Factory instance
*
* @var Factory
* @since 1.0
*/
private static $instance;
/**
* Constructor
*
* @param Container $container DI Container
*
* @since 1.0
*/
public function __construct(Container $container)
{
$this->container = $container;
self::$instance = $this;
}
/**
* Fetch the DI container
*
* @return Container
*
* @since 1.0
*/
public function getContainer()
{
return $this->container;
}
/**
* Retrieves the Repository object for the given entity
*
* @param string $entity The fully qualified class name of the entity
*
* @return BaseRepository
*
* @since 1.0
*/
private static function getRepository($entity)
{
$repo = $entity . 'Repository';
if (!class_exists($repo))
{
throw new \InvalidArgumentException('A valid repository class was not found.');
}
return new $repo(self::get('em'), new ClassMetadata($entity));
}
/**
* Retrieve objects from the DI container
*
* @param string $key Container lookup key
*
* @return mixed
*
* @note Method accepts additional params for special cases
* @since 1.0
*/
public static function get($key)
{
$args = func_get_args();
switch ($key)
{
case 'repository' :
return self::getRepository($args[1]);
default :
return self::$instance->getContainer()->get($key);
}
}
}
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