X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Fkafka%2FChatMessageChannel.java;h=138d9a7b706bfab4c01f2933e9502109a1b483ef;hb=5d366ac288990782c88927a4ff967b3f28fdec19;hp=1925cc88aa24d89096f781e2a66f09396f96338a;hpb=e400c437b999e1e92f2a52e3ef72306a9107aff9;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
index 1925cc88..138d9a7b 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
@@ -60,6 +60,9 @@ public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
     this.currentOffset = new long[numShards];
     this.nextOffset = new long[numShards];
     this.chatrooms = new Map[numShards];
+    IntStream
+        .range(0, numShards)
+        .forEach(shard -> this.chatrooms[shard] = new HashMap<>());
     this.shardingStrategy = new KafkaLikeShardingStrategy(numShards);
   }
 
@@ -213,7 +216,7 @@ public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
       ChatRoom chatRoom = chatrooms[record.partition()].get(chatRoomId);
       if (chatRoom == null)
       {
-        // Alles pausieren und erst von putChatRoom wieder resumen lassen!
+        // TODO: Alles pausieren und erst von putChatRoom wieder resumen lassen!
       }
       KafkaChatRoomService kafkaChatRoomService =
           (KafkaChatRoomService) chatRoom.getChatRoomService();
@@ -227,11 +230,7 @@ public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
     return IntStream
         .range(0, numShards)
         .filter(shard -> isShardOwned[shard])
-        .mapToObj(shard -> nextOffset[shard] >= currentOffset[shard])
-        .collect(
-            () -> Boolean.TRUE, // TODO: Boolean is immutable
-            (acc, v) -> Boolean.valueOf(acc && v), // TODO: Boolean is immutable
-            (a, b) -> Boolean.valueOf(a && b)); // TODO: Boolean is immutable
+        .allMatch(shard -> nextOffset[shard] >= currentOffset[shard]);
   }
 
   void pauseAllOwnedPartions()