fix: GREEN - Correct handling of unknown chat-rooms in the Kafka-version

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

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
index 7f93ad8..7659d1e 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
@@ -360,6 +360,14 @@ public class ChatRoomChannel implements Runnable, ConsumerRebalanceListener
     }
   }
 
+  int[] getOwnedShards()
+  {
+    return IntStream
+        .range(0, numShards)
+        .filter(shard -> isShardOwned[shard])
+        .toArray();
+  }
+
   Mono<ChatRoom> getChatRoom(int shard, UUID id)
   {
     if (loadInProgress)