DoctrineUtils::getClassMetadata return null if metadata not exists (instead exception)

Author: blacklizer

Doctrine/DoctrineUtils.php

@@ -44,13 +44,14 @@ public function getRealClass($target)
      *
      * @param object|string $entity Entity object or FQCN
      *
-     * @return ClassMetadata
+     * @return ClassMetadata|null
      */
     public function getClassMetadata($entity)
     {
         $fqcn = $this->getRealClass($entity);
+
         if (null === $entityManager = $this->doctrine->getManagerForClass($fqcn)) {
-            throw DoctrineUtilsException::unsupportedClass($fqcn);
+            return null;
         }
 
         return $entityManager->getClassMetadata($fqcn);
@@ -125,4 +126,4 @@ public function dump($entity): array
 
         return $dump;
     }
-}
+}

Exception/DoctrineUtilsException.php

@@ -6,18 +6,6 @@
 
 class DoctrineUtilsException extends RuntimeException implements SymfonyCommonExceptionInterface
 {
-    /**
-     * Unsupported class exception
-     *
-     * @param string $fqcn FQCN
-     *
-     * @return $this
-     */
-    public static function unsupportedClass($fqcn)
-    {
-        return new self("Unsupported class '$fqcn'.");
-    }
-
     /**
      * Unsupported entity primary key
      *
@@ -29,4 +17,4 @@ public static function unsupportedPrimaryKey($fqcn)
     {
         return new self("Unsupported '$fqcn' primary key, supports only entities with single field primary key.");
     }
-}
+}