X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Finmemory%2FInMemoryServicesConfiguration.java;h=00e0c6fde07d96f9c721cfc2894eb4c2fc9774bd;hb=1a6e2af4b700d92efe20ce5099affc01413c6eaa;hp=1dca04023df825ae14802943e13dc1ea548330e6;hpb=7dc64266c5675ead8214edb36173b80363e08b1f;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java
index 1dca0402..00e0c6fd 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java
@@ -2,17 +2,14 @@ package de.juplo.kafka.chat.backend.persistence.inmemory;
 
 import de.juplo.kafka.chat.backend.ChatBackendProperties;
 import de.juplo.kafka.chat.backend.ChatBackendProperties.ShardingStrategyType;
-import de.juplo.kafka.chat.backend.domain.ShardedChatHome;
-import de.juplo.kafka.chat.backend.persistence.KafkaLikeShardingStrategy;
-import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
 import de.juplo.kafka.chat.backend.domain.ChatHome;
-import de.juplo.kafka.chat.backend.domain.SimpleChatHome;
 import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 import java.time.Clock;
+import java.util.stream.IntStream;
 
 
 @ConditionalOnProperty(
@@ -29,9 +26,9 @@ public class InMemoryServicesConfiguration
       name = "sharding-strategy",
       havingValue = "none",
       matchIfMissing = true)
-  ChatHome noneShardingChatHome(InMemoryChatHomeService chatHomeService)
+  ChatHome noneShardingChatHome()
   {
-    return new SimpleChatHome(chatHomeService);
+    return new SimpleChatHome();
   }
 
   @Bean
@@ -41,27 +38,20 @@ public class InMemoryServicesConfiguration
       havingValue = "kafkalike")
   ChatHome kafkalikeShardingChatHome(
       ChatBackendProperties properties,
-      InMemoryChatHomeService chatHomeService,
-      StorageStrategy storageStrategy)
+      InMemoryChatHomeService chatHomeService)
   {
     int numShards = properties.getInmemory().getNumShards();
-    ShardingStrategy shardingStrategy = new KafkaLikeShardingStrategy(numShards);
     SimpleChatHome[] chatHomes = new SimpleChatHome[numShards];
-    storageStrategy
-        .read()
-        .subscribe(chatRoom ->
-        {
-          int shard = shardingStrategy.selectShard(chatRoom.getId());
-          if (chatHomes[shard] == null)
-            chatHomes[shard] = new SimpleChatHome(chatHomeService, shard);
-        });
-    return new ShardedChatHome(chatHomes, shardingStrategy);
+    IntStream
+        .of(properties.getInmemory().getOwnedShards())
+        .forEach(shard -> chatHomes[shard] = new SimpleChatHome(chatHomeService, shard));
+    ShardingStrategy strategy = new KafkaLikeShardingStrategy(numShards);
+    return new ShardedChatHome(chatHomes, strategy);
   }
 
   @Bean
   InMemoryChatHomeService chatHomeService(
       ChatBackendProperties properties,
-      ShardingStrategy shardingStrategy,
       StorageStrategy storageStrategy)
   {
     ShardingStrategyType sharding =
@@ -73,7 +63,6 @@ public class InMemoryServicesConfiguration
         ? new int[] { 0 }
         : properties.getInmemory().getOwnedShards();
     return new InMemoryChatHomeService(
-        shardingStrategy,
         numShards,
         ownedShards,
         storageStrategy.read());
@@ -81,11 +70,13 @@ public class InMemoryServicesConfiguration
 
   @Bean
   InMemoryChatRoomFactory chatRoomFactory(
+      InMemoryChatHomeService service,
       ShardingStrategy strategy,
       Clock clock,
       ChatBackendProperties properties)
   {
     return new InMemoryChatRoomFactory(
+        service,
         strategy,
         clock,
         properties.getChatroomBufferSize());