Use the EntityManager interface ObjectManager

Its possible to decorate the EntityManager which will
result in all sorts of errors. Using the ObjectManager
interface allows for decorated EntityManagers

Author: gnat42

Entity/AuthCodeManager.php

@@ -11,7 +11,7 @@
 
 namespace FOS\OAuthServerBundle\Entity;
 
-use Doctrine\ORM\EntityManager;
+use Doctrine\Common\Persistence\ObjectManager;
 use FOS\OAuthServerBundle\Model\AuthCodeInterface;
 use FOS\OAuthServerBundle\Model\AuthCodeManager as BaseAuthCodeManager;
 
@@ -36,7 +36,7 @@ class AuthCodeManager extends BaseAuthCodeManager
      * @param \Doctrine\ORM\EntityManager $em
      * @param string                      $class
      */
-    public function __construct(EntityManager $em, $class)
+    public function __construct(ObjectManager $em, $class)
     {
         $this->em = $em;
         $this->repository = $em->getRepository($class);

Entity/ClientManager.php

@@ -11,7 +11,7 @@
 
 namespace FOS\OAuthServerBundle\Entity;
 
-use Doctrine\ORM\EntityManager;
+use Doctrine\Common\Persistence\ObjectManager;
 use FOS\OAuthServerBundle\Model\ClientInterface;
 use FOS\OAuthServerBundle\Model\ClientManager as BaseClientManager;
 
@@ -32,7 +32,7 @@ class ClientManager extends BaseClientManager
      */
     protected $class;
 
-    public function __construct(EntityManager $em, $class)
+    public function __construct(ObjectManager $em, $class)
     {
         $this->em = $em;
         $this->repository = $em->getRepository($class);

Entity/TokenManager.php

@@ -11,7 +11,7 @@
 
 namespace FOS\OAuthServerBundle\Entity;
 
-use Doctrine\ORM\EntityManager;
+use Doctrine\Common\Persistence\ObjectManager;
 use FOS\OAuthServerBundle\Model\TokenInterface;
 use FOS\OAuthServerBundle\Model\TokenManager as BaseTokenManager;
 
@@ -32,7 +32,7 @@ class TokenManager extends BaseTokenManager
      */
     protected $class;
 
-    public function __construct(EntityManager $em, $class)
+    public function __construct(ObjectManager $em, $class)
     {
         $this->em = $em;
         $this->repository = $em->getRepository($class);