X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Fkafka%2FKafkaChatHome.java;h=ab72269de546d9b674a00a1e6d4962a2290c09b5;hb=5d6fc3eee1a20ea5c8a808320ef12b51b84f54be;hp=67990409e9b559e712b150a41d28365e8403b92d;hpb=2ccf8e29b0ffb2366a717392fa996707fde1821d;p=demos%2Fkafka%2Fchat

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 67990409..ab72269d 100644
--- 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
@@ -2,6 +2,7 @@ package de.juplo.kafka.chat.backend.persistence.kafka;
 
 import de.juplo.kafka.chat.backend.domain.ChatHome;
 import de.juplo.kafka.chat.backend.domain.ChatRoom;
+import de.juplo.kafka.chat.backend.domain.UnknownChatroomException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.common.utils.Utils;
@@ -23,7 +24,9 @@ public class KafkaChatHome implements ChatHome
   public Mono<ChatRoom> getChatRoom(UUID id)
   {
     int shard = selectShard(id);
-    return chatRoomChannel.getChatRoom(shard, id);
+    return chatRoomChannel
+        .getChatRoom(shard, id)
+        .switchIfEmpty(Mono.error(() -> new UnknownChatroomException(id)));
   }
 
   int selectShard(UUID chatRoomId)