EmbeddedDocument - no LifecycleCallbacks

/**
 * @EmbeddedDocument
 * @HasLifecycleCallbacks
 */
class SocialNetworkUser {

	/**
	 * @Int(name="id")
	 * @var int
	 */
	protected $id;
	/**
	 * @String(name="fN")
	 * @var string
	 */
	protected $firstName;
	/**
	 * @String(name="lN")
	 * @var string
	 */
	protected $lastName;
	/**
	 * @NotSaved
	 * @var string
	 */
	protected $name;

        // ....

	/**
	 * @PostLoad
	 */
        public function postLoad() {
		$this->name = $this->firstName . ' ' . $this->lastName;
	}
}

/**
 * @Document(collection="users")
 */
class User {
	/**
	 * @Id
	 */
	protected $id;
	/**
	 * @EmbedOne(
	 * 	discriminatorField="php",
	 * 	discriminatorMap={
	 * 		"fbu"="Documents\SocialNetworkUser "
	 * 	},
	 * 	name="snu",
	 * 	cascade={"persist", "remove"}
	 * )
	 */
	protected $socialNetworkUser;
}

$_user = $this->dm->findOne('Documents\User', array('snu.id' => $uid));
print_r($_user->getSocialNetworkUser()->getName())