DocumentManager.php

<?php

namespace Stubs;

use Doctrine\ODM\MongoDB\DocumentManager as BaseDocumentManager;
use Doctrine\ODM\MongoDB\Mapping\ClassMetadata;
use Doctrine\Common\EventManager;

/**
 * @author Bulat Shakirzyanov <bulat@theopenskyproject.com>
 */
class DocumentManager extends BaseDocumentManager
{

    protected $classMetadatas = array();

    private $_eventManager;

    public function __construct()
    {
        $this->_eventManager = new EventManager();
    }

    public function getEventManager()
    {
        return $this->_eventManager;
    }

    public function setClassMetadata($className, ClassMetadata $class)
    {
        $this->classMetadatas[$className] = $class;
    }

    public function getClassMetadata($className)
    {
        if ( ! isset($this->classMetadatas[$className])) {
            throw new \InvalidArgumentException('Metadata for class ' . $className . ' doesn\'t exist, try calling ->setClassMetadata() first');
        }
        return $this->classMetadatas[$className];
    }

}