From 511a66ab66a1fce9d60b22d5e589608ed93799aa Mon Sep 17 00:00:00 2001
From: Paul de Raaij <paul@paulderaaij.nl>
Date: Wed, 29 Jul 2026 10:42:06 -0400
Subject: [PATCH] feat: add no-op when method to Entity base class for event
 handling

---
 domain/framework/entity.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/domain/framework/entity.py b/domain/framework/entity.py
index 99f0ad9..9dc8850 100644
--- a/domain/framework/entity.py
+++ b/domain/framework/entity.py
@@ -17,5 +17,8 @@ class Entity(ABC):
     def _ensure_valid_state(self):
         pass
 
+    def when(self, event: DomainEvent) -> Self:
+        return self
+
     def clear_changes(self) -> Self:
         return replace(self, _changes=())