feat: `UnknownChatroomException` records shard and owned shards

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / persistence / kafka / KafkaChatHome.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaChatHome.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaChatHome.java
index ab72269..07fb885 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaChatHome.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaChatHome.java
@@ -26,7 +26,10 @@ public class KafkaChatHome implements ChatHome
     int shard = selectShard(id);
     return chatRoomChannel
         .getChatRoom(shard, id)
-        .switchIfEmpty(Mono.error(() -> new UnknownChatroomException(id)));
+        .switchIfEmpty(Mono.error(() -> new UnknownChatroomException(
+            id,
+            shard,
+            chatRoomChannel.getOwnedShards())));
   }
 
   int selectShard(UUID chatRoomId)