From 28791620157c413e9dce23663a064eeb012061e3 Mon Sep 17 00:00:00 2001
From: Sander Marechal <s.marechal@jejik.com>
Date: Thu, 20 Jun 2013 14:00:58 +0200
Subject: [PATCH] No need to lookup metadata

---
 lib/Doctrine/ORM/PersistentCollection.php | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/Doctrine/ORM/PersistentCollection.php b/lib/Doctrine/ORM/PersistentCollection.php
index 4e64acb26..a50cd8343 100644
--- a/lib/Doctrine/ORM/PersistentCollection.php
+++ b/lib/Doctrine/ORM/PersistentCollection.php
@@ -521,10 +521,8 @@ final class PersistentCollection implements Collection, Selectable
             && $this->association['fetch'] === Mapping\ClassMetadataInfo::FETCH_EXTRA_LAZY
             && isset($this->association['indexBy'])
         ) {
-            $class = $this->em->getClassMetadata($this->association['targetEntity']);
-
-            if (!$class->isIdentifierComposite && $class->isIdentifier($this->association['indexBy'])) {
-                return $this->em->find($class->name, $key);
+            if (!$this->typeClass->isIdentifierComposite && $this->typeClass->isIdentifier($this->association['indexBy'])) {
+                return $this->em->find($this->typeClass->name, $key);
             }
 
             return $this->em->getUnitOfWork()->getCollectionPersister($this->association)->get($this, $key);