X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FDataChannel.java;h=ae544e41ad939ec2ee7c44c81ec219ba5ee71b91;hb=8300dcd98f681893a077051560151a8f1b94e38d;hp=8dcc1bce8315323dc6e2e5f547087809351b9835;hpb=075fbbf0c290748fa8b6d684c145a2f1ab8cbe0d;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java
index 8dcc1bce..ae544e41 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java
@@ -176,12 +176,15 @@ public class DataChannel implements Channel, ConsumerRebalanceListener
     partitions.forEach(topicPartition ->
     {
       int partition = topicPartition.partition();
-      chatRoomData[partition]
-          .values()
-          .forEach(chatRoomData -> chatRoomData.close());
       isShardOwned[partition] = false;
       nextOffset[partition] = consumer.position(topicPartition);
+
       log.info("Partition revoked: {} - next={}", partition, nextOffset[partition]);
+
+      chatRoomData[partition]
+          .values()
+          .forEach(chatRoomData -> chatRoomData.deactivate());
+
       channelMediator.shardRevoked(partition);
     });
   }
@@ -216,6 +219,7 @@ public class DataChannel implements Channel, ConsumerRebalanceListener
             {
               log.info("Loading of messages completed! Pausing all owned partitions...");
               pauseAllOwnedPartions();
+              activateAllOwnedChatRooms();
               log.info("Resuming normal operations...");
               channelState = ChannelState.READY;
             }
@@ -316,6 +320,16 @@ public class DataChannel implements Channel, ConsumerRebalanceListener
         .toList());
   }
 
+  private void activateAllOwnedChatRooms()
+  {
+    IntStream
+        .range(0, numShards)
+        .filter(shard -> isShardOwned[shard])
+        .forEach(shard -> chatRoomData[shard]
+            .values()
+            .forEach(chatRoomData -> chatRoomData.activate()));
+  }
+
 
   int[] getOwnedShards()
   {
@@ -327,7 +341,10 @@ public class DataChannel implements Channel, ConsumerRebalanceListener
 
   void createChatRoomData(ChatRoomInfo chatRoomInfo)
   {
-    computeChatRoomData(chatRoomInfo.getId(), chatRoomInfo.getShard());
+    ChatRoomData chatRoomData = computeChatRoomData(
+        chatRoomInfo.getId(),
+        chatRoomInfo.getShard());
+    chatRoomData.activate();
   }
 
   Mono<ChatRoomData> getChatRoomData(int shard, UUID id)