diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
index f556257f9..eb6863859 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -1840,4 +1840,52 @@ class ClassMetadataInfo implements ClassMetadata
     {
         $this->isReadOnly = true;
     }
+    
+    /**
+     * A numerically indexed list of field names of this persistent class.
+     * 
+     * This array includes identifier fields if present on this class.
+     * 
+     * @return array
+     */
+    public function getFieldNames()
+    {
+        return array_keys($this->fieldMappings);
+    }
+    
+    /**
+     * A numerically indexed list of association names of this persistent class.
+     * 
+     * This array includes identifier associations if present on this class.
+     * 
+     * @return array
+     */
+    public function getAssociationNames()
+    {
+        return array_keys($this->associationMappings);
+    }
+    
+    /**
+     * Returns the target class name of the given association.
+     * 
+     * @param string $assocName
+     * @return string
+     */
+    public function getAssociationTargetClass($assocName)
+    {
+        if (!isset($this->associationMappings[$assocName])) {
+            throw new \InvalidArgumentException("Association name expected, '" . $assocName ."' is not an association.");
+        }
+        return $this->associationMappings[$assocName]['targetEntity'];
+    }
+    
+    /**
+     * Get fully-qualified class name of this persistent class.
+     * 
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
 }
diff --git a/lib/vendor/doctrine-common b/lib/vendor/doctrine-common
index ba63ae0f0..ea434bbea 160000
--- a/lib/vendor/doctrine-common
+++ b/lib/vendor/doctrine-common
@@ -1 +1 @@
-Subproject commit ba63ae0f0b6b62a2a8617f01386698730ff2b713
+Subproject commit ea434bbea37e067aa52272816c6dcda5ff826154