X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FKafkaServicesConfiguration.java;h=c3027fa973a668c68573a0f4fb5a3c56a0abdd8d;hb=d53ef6cdaa5480e2f6a01499603dcb9f32350c1b;hp=7bb1ab972ba8c3715abdc0359385be61f1377048;hpb=2adb71f86149f3b7da0ecd5b5eba5ba8341ad503;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/KafkaServicesConfiguration.java b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/KafkaServicesConfiguration.java
index 7bb1ab97..c3027fa9 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/KafkaServicesConfiguration.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/KafkaServicesConfiguration.java
@@ -2,6 +2,7 @@ package de.juplo.kafka.chat.backend.implementation.kafka;
 
 import de.juplo.kafka.chat.backend.ChatBackendProperties;
 import de.juplo.kafka.chat.backend.domain.ChatHomeService;
+import de.juplo.kafka.chat.backend.domain.ShardingPublisherStrategy;
 import de.juplo.kafka.chat.backend.implementation.kafka.messages.AbstractMessageTo;
 import de.juplo.kafka.chat.backend.implementation.kafka.messages.data.EventChatMessageReceivedTo;
 import de.juplo.kafka.chat.backend.implementation.kafka.messages.info.EventChatRoomCreated;
@@ -20,6 +21,7 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.kafka.support.serializer.JsonDeserializer;
 import org.springframework.kafka.support.serializer.JsonSerializer;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+import reactor.core.publisher.Mono;
 
 import java.time.Clock;
 import java.time.ZoneId;
@@ -137,7 +139,8 @@ public class KafkaServicesConfiguration
       Consumer<String, AbstractMessageTo> dataChannelConsumer,
       ZoneId zoneId,
       Clock clock,
-      InfoChannel infoChannel)
+      InfoChannel infoChannel,
+      ShardingPublisherStrategy shardingPublisherStrategy)
   {
     return new DataChannel(
         properties.getInstanceId(),
@@ -148,7 +151,8 @@ public class KafkaServicesConfiguration
         properties.getKafka().getNumPartitions(),
         properties.getChatroomBufferSize(),
         clock,
-        infoChannel);
+        infoChannel,
+        shardingPublisherStrategy);
   }
 
   @Bean
@@ -280,6 +284,18 @@ public class KafkaServicesConfiguration
     return properties;
   }
 
+  @Bean
+  ShardingPublisherStrategy shardingPublisherStrategy()
+  {
+    return new ShardingPublisherStrategy() {
+      @Override
+      public Mono<String> publishOwnership(int shard)
+      {
+        return Mono.just(Integer.toString(shard));
+      }
+    };
+  }
+
   @Bean
   ZoneId zoneId()
   {