I'm trying to serialize embedded mongodb documents with JMSSerizial Bundle - mongodb

Question

I'm try to serialize a MongoDB document with embedded documents within Symfony 2.1. I am using the JMSserializer and Mongodb-odm bundles.
I have the following Documents entities.
// Blog
namespace App\DocumentBundle\Document;
use Symfony\Component\Validator\Constraints as Assert;
use Doctrine\ODM\MongoDB\Mapping\Annotations as MongoDB;
use JMS\SerializerBundle\Annotation\Type;
/**
* #MongoDB\Document(repositoryClass="App\DocumentBundle\Repository\BlogRepository")
*/
class Blog {
/**
* #MongoDB\Id
*/
protected $id;
/**
* #MongoDB\String
* #Assert\NotBlank()
*/
protected $title;
/**
* #MongoDB\string
* #Assert\NotBlank()
*/
protected $blog;
/**
* #MongoDB\EmbedMany(targetDocument="Tag")
*/
private $tags;
/**
* #MongoDB\Timestamp
*/
protected $created;
/**
* #MongoDB\Timestamp
*/
protected $updated;
}
and
// Tag
namespace App\DocumentBundle\Document;
use Doctrine\ODM\MongoDB\Mapping\Annotations as MongoDB;
/**
* #MongoDB\EmbeddedDocument
*/
class Tag {
/**
* #MongoDB\String
*/
protected $name;
}
An ArrayCollection type is generated for the tag attribute, but the JMSSerializer bundle doesn't like it. If I change the tag to #MongoDB\String and regenerate the Blog document,
then serialization occurs, but not with #MongoDB\EmbedMany(targetDocument="Tag") set.
Do I need to specify some of the JMSSerializer annotated attributes allow embedded document to also be serialized?

Answer 1

You have to configure the expected type for JMSSerializer
Annotation :
/**
* #MongoDB\EmbedMany(targetDocument="Tag")
* #Type(ArrayCollection<App\DocumentBundle\Document\Tag>)
*/
private $tags;
Yaml :
tags:
expose: true
type: ArrayCollection<App\DocumentBundle\Document\Tag>