custom targetEntity

custom targetEntity

<?php

namespace Sonata\Bundle\BlogBundle;

use Symfony\Component\HttpKernel\Bundle\Bundle;

use Doctrine\Common\EventSubscriber;

class BlogBundle extends Bundle implements EventSubscriber
{
    public function boot() {

        $evm = $this->container->getDoctrine_Orm_EntityManagerService()->getEventManager();

        $evm->addEventSubscriber($this);
    }

    public function getSubscribedEvents() {
        return array(
            'loadClassMetadata'
        );
    }

    public function loadClassMetadata($eventArgs) {
        $metadata = $eventArgs->getClassMetadata();

        if($metadata->name == 'Sonata\Bundle\BlogBundle\Entity\Post')
        {
            $metadata->mapManyToOne(array(
                'fieldName'     => 'user',
                'targetEntity'  => $this->container->getParameter('doctrine_user.user_class'),
                'invertedBy'    => 'posts',
            ));
        }
    }
}