X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Finmemory%2FShardedChatHome.java;h=b8bc4b8ec9d598e790dd594edf58498ad470b567;hb=e723d6502cc39eb13a734160aded9faa58ddb2cf;hp=4fa4d9bdd7d6abb41f79af4f90bdffbdb255bbda;hpb=d7689f059964f8c6105b65bb3ee5a097fd106cb7;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/ShardedChatHome.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/ShardedChatHome.java
index 4fa4d9bd..b8bc4b8e 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/ShardedChatHome.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/ShardedChatHome.java
@@ -3,6 +3,7 @@ package de.juplo.kafka.chat.backend.persistence.inmemory;
 import de.juplo.kafka.chat.backend.domain.ChatHome;
 import de.juplo.kafka.chat.backend.domain.ChatRoom;
 import de.juplo.kafka.chat.backend.domain.ShardNotOwnedException;
+import de.juplo.kafka.chat.backend.domain.UnknownChatroomException;
 import lombok.extern.slf4j.Slf4j;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
@@ -44,9 +45,16 @@ public class ShardedChatHome implements ChatHome
   public Mono<ChatRoom> getChatRoom(UUID id)
   {
     int shard = selectShard(id);
-    if (chatHomes[shard] == null)
-      throw new ShardNotOwnedException(shard);
-    return chatHomes[shard].getChatRoom(id);
+    return chatHomes[shard] == null
+        ? Mono.error(new ShardNotOwnedException(shard))
+        : chatHomes[shard]
+            .getChatRoom(id)
+            .onErrorMap(throwable -> throwable instanceof UnknownChatroomException
+            ? new UnknownChatroomException(
+                id,
+                shard,
+                ownedShards.stream().mapToInt(i -> i.intValue()).toArray())
+            : throwable);
   }
 
   @Override