AggregateHydrator.php in Zircon Profile 8

Namespace

Zend\Hydrator\Aggregate

File

vendor/zendframework/zend-hydrator/src/Aggregate/AggregateHydrator.php

<?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\Hydrator\Aggregate;

use Zend\EventManager\EventManager;
use Zend\EventManager\EventManagerAwareInterface;
use Zend\EventManager\EventManagerInterface;
use Zend\Hydrator\HydratorInterface;

/**
 * Aggregate hydrator that composes multiple hydrators via events
 */
class AggregateHydrator implements HydratorInterface, EventManagerAwareInterface {
  const DEFAULT_PRIORITY = 1;

  /**
   * @var EventManagerInterface|null
   */
  protected $eventManager;

  /**
   * Attaches the provided hydrator to the list of hydrators to be used while hydrating/extracting data
   *
   * @param 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) {
    $eventManager
      ->setIdentifiers([
      __CLASS__,
      get_class($this),
    ]);
    $this->eventManager = $eventManager;
  }

  /**
   * {@inheritDoc}
   */
  public function getEventManager() {
    if (null === $this->eventManager) {
      $this
        ->setEventManager(new EventManager());
    }
    return $this->eventManager;
  }

}

Classes

Name	Description
AggregateHydrator	Aggregate hydrator that composes multiple hydrators via events