<?php namespace JMS\Serializer\Tests\Fixtures; use JMS\Serializer\Annotation\Type; use JMS\Serializer\Annotation\XmlRoot; /** @XmlRoot("order") */ class Order { /** @Type("JMS\Serializer\Tests\Fixtures\Price") */ private $cost; public function __construct(Price $price = null) { $this->cost = $price ?: new Price(5); } }