From aee9efaa860d23f051a41c725e3dfaa918f828b3 Mon Sep 17 00:00:00 2001
From: Benjamin Eberlei <kontakt@beberlei.de>
Date: Mon, 7 Dec 2020 23:00:12 +0100
Subject: [PATCH] [GH-6855] Prevent unsupported lifecycle callback mapping on
 embedded classes.

---
 lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php | 4 ++++
 lib/Doctrine/ORM/Mapping/MappingException.php  | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
index 9890c5956ee..46359f9d66c 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -2748,6 +2748,10 @@ public function getLifecycleCallbacks($event)
      */
     public function addLifecycleCallback($callback, $event)
     {
+        if ($this->isEmbeddedClass) {
+            throw MappingException::embeddedClassesDontSupportLifecycleCallbacks($this->name);
+        }
+
         if (isset($this->lifecycleCallbacks[$event]) && in_array($callback, $this->lifecycleCallbacks[$event])) {
             return;
         }
diff --git a/lib/Doctrine/ORM/Mapping/MappingException.php b/lib/Doctrine/ORM/Mapping/MappingException.php
index 7044e964626..d3a041bdaf0 100644
--- a/lib/Doctrine/ORM/Mapping/MappingException.php
+++ b/lib/Doctrine/ORM/Mapping/MappingException.php
@@ -834,4 +834,12 @@ public static function illegalOverrideOfInheritedProperty($className, $propertyN
             )
         );
     }
+
+    public static function embeddedClassesDontSupportLifecycleCallbacks(string $className): MappingException
+    {
+        return new self(sprintf(
+            "Lifecycle callback methods are not supported on embedded class '%s'.",
+            $className
+        ));
+    }
 }