X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FDataChannel.java;h=2fa4998e72c406afad6705192ef2c535bcd483ac;hb=bab48fac3824b1dbf660881e5c517dc98ab9cc8f;hp=9cafbaaad2b6afd93f3ec6bc02cbdc6d7956a156;hpb=ec456b2c00027e54a49f3d916e89c831b2589186;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 9cafbaaa..2fa4998e 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
@@ -38,6 +38,7 @@ public class DataChannel implements Runnable, ConsumerRebalanceListener
   private final long[] nextOffset;
   private final Map<UUID, ChatRoomData>[] chatRoomData;
   private final InfoChannel infoChannel;
+  private final ShardingPublisherStrategy shardingPublisherStrategy;
 
   private boolean running;
   @Getter
@@ -53,7 +54,8 @@ public class DataChannel implements Runnable, ConsumerRebalanceListener
     int numShards,
     int bufferSize,
     Clock clock,
-    InfoChannel infoChannel)
+    InfoChannel infoChannel,
+    ShardingPublisherStrategy shardingPublisherStrategy)
   {
     log.debug(
         "{}: Creating DataChannel for topic {} with {} partitions",
@@ -76,6 +78,7 @@ public class DataChannel implements Runnable, ConsumerRebalanceListener
         .range(0, numShards)
         .forEach(shard -> this.chatRoomData[shard] = new HashMap<>());
     this.infoChannel = infoChannel;
+    this.shardingPublisherStrategy = shardingPublisherStrategy;
   }
 
 
@@ -142,6 +145,13 @@ public class DataChannel implements Runnable, ConsumerRebalanceListener
 
       consumer.seek(topicPartition, nextOffset[partition]);
       infoChannel.sendShardAssignedEvent(partition);
+      shardingPublisherStrategy
+          .publishOwnership(partition)
+          .doOnNext(instanceId -> log.info(
+              "Instance {} was published as owner of shard {}",
+              instanceId,
+              partition))
+          .subscribe();
     });
 
     consumer.resume(partitions);