From a537c1add54f06c658e6396c1ac3fae3ec1144b2 Mon Sep 17 00:00:00 2001
From: Krystian Szymukowicz <k.szymukowicz@gmail.com>
Date: Sat, 21 Sep 2024 14:46:35 +0200
Subject: [PATCH] [BUGFIX] Fix problem of concurrent API calls in development
 mode break due to meta-data writing/loading is not "thread safe" (#103)

---
 Classes/Service/SerializerMetadataService.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Classes/Service/SerializerMetadataService.php b/Classes/Service/SerializerMetadataService.php
index 0d76565..4db92cc 100644
--- a/Classes/Service/SerializerMetadataService.php
+++ b/Classes/Service/SerializerMetadataService.php
@@ -46,10 +46,12 @@ public static function generateAutoloadForClass(string $class): void
                 self::getMetadataFromMetadataDirs($reflectionClass->getName())
             );
 
+            $tmpFile = $generatedMetadataFile . '.' . uniqid('', true);
             file_put_contents(
-                $generatedMetadataFile,
+                $tmpFile,
                 Yaml::dump([$reflectionClass->getName() => $classMergedMetadata], 99)
             );
+            rename($tmpFile, $generatedMetadataFile);
 
             self::$runtimeGeneratedCache[] = $reflectionClass->getName();
         }