Viewing file:  AggregateHydrator.php (2.19 KB) -rwxrwxr-x
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Stdlib\Hydrator\Aggregate;
use Zend\EventManager\EventManager;
use Zend\EventManager\EventManagerAwareInterface;
use Zend\EventManager\EventManagerInterface;
use Zend\Stdlib\Hydrator\HydratorInterface;
/**
* Aggregate hydrator that composes multiple hydrators via events
*/
class AggregateHydrator implements HydratorInterface, EventManagerAwareInterface
{
const DEFAULT_PRIORITY = 1;
/**
* @var \Zend\EventManager\EventManagerInterface|null
*/
protected $eventManager;
/**
* Attaches the provided hydrator to the list of hydrators to be used while hydrating/extracting data
*
* @param \Zend\Stdlib\Hydrator\HydratorInterface $hydrator
* @param int $priority
*/
public function add(HydratorInterface $hydrator, $priority = self::DEFAULT_PRIORITY)
{
$this->getEventManager()->attachAggregate(new HydratorListener($hydrator), $priority);
}
/**
* {@inheritDoc}
*/
public function extract($object)
{
$event = new ExtractEvent($this, $object);
$this->getEventManager()->trigger($event);
return $event->getExtractedData();
}
/**
* {@inheritDoc}
*/
public function hydrate(array $data, $object)
{
$event = new HydrateEvent($this, $object, $data);
$this->getEventManager()->trigger($event);
return $event->getHydratedObject();
}
/**
* {@inheritDoc}
*/
public function setEventManager(EventManagerInterface $eventManager)
{
$eventManager->setIdentifiers(array(__CLASS__, get_class($this)));
$this->eventManager = $eventManager;
}
/**
* {@inheritDoc}
*/
public function getEventManager()
{
if (null === $this->eventManager) {
$this->setEventManager(new EventManager());
}
return $this->eventManager;
}
}
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