X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fdomain%2FChatHome.java;h=2b5152c9a5beed3f38c1a9067c7ccd2aba9b0e1d;hb=9e3e6397414722ad6f9a43381b4501edf4f56134;hp=a75a9a1312a00b4981acfab4b0194a3803b4bb13;hpb=8e11510f956a4370044ef5819a53664df6ad1dcd;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
index a75a9a13..2b5152c9 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java
@@ -8,7 +8,7 @@ import java.util.*;
 @RequiredArgsConstructor
 public class ChatHome
 {
-  private final Map<UUID, Chatroom> chatrooms = new HashMap<>();
+  private final Map<UUID, Chatroom> chatrooms;
   private final ChatroomFactory factory;
 
 
@@ -19,9 +19,9 @@ public class ChatHome
     return chatroom;
   }
 
-  public Chatroom getChatroom(UUID id)
+  public Optional<Chatroom> getChatroom(UUID id)
   {
-    return chatrooms.get(id);
+    return Optional.ofNullable(chatrooms.get(id));
   }
 
   public Collection<Chatroom> list()