X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Finmemory%2FInMemoryServicesConfiguration.java;h=ee41c4f39d0e61f80d52e2b3876a4168e16b6cfa;hb=c5976140f6ad8c5a09753c528f0f01a69716dd6b;hp=e40d950f576cd1d8bd6705d043ac222c65d3e1ea;hpb=3526be7c01fa286f4253c96fd7f6c35abf3694ef;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 e40d950f..ee41c4f3 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
@@ -1,8 +1,6 @@
 package de.juplo.kafka.chat.backend.persistence.inmemory;
 
 import de.juplo.kafka.chat.backend.ChatBackendProperties;
-import de.juplo.kafka.chat.backend.api.KafkaLikeShardingStrategy;
-import de.juplo.kafka.chat.backend.api.ShardingStrategy;
 import de.juplo.kafka.chat.backend.domain.ChatHome;
 import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
@@ -10,6 +8,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 import java.time.Clock;
+import java.util.stream.IntStream;
 
 
 @ConditionalOnProperty(
@@ -21,32 +20,32 @@ import java.time.Clock;
 public class InMemoryServicesConfiguration
 {
   @Bean
-  ChatHome[] chatHomes(
-      ChatBackendProperties properties,
-      InMemoryChatHomeService chatHomeService,
-      StorageStrategy storageStrategy)
+  @ConditionalOnProperty(
+      prefix = "chat.backend.inmemory",
+      name = "sharding-strategy",
+      havingValue = "none",
+      matchIfMissing = true)
+  ChatHome noneShardingChatHome(StorageStrategy storageStrategy)
   {
-    ChatHome[] chatHomes = new ChatHome[properties.getInmemory().getNumShards()];
-    storageStrategy
-        .read()
-        .subscribe(chatRoom ->
-        {
-          int shard = chatRoom.getShard();
-          if (chatHomes[shard] == null)
-            chatHomes[shard] = new ChatHome(chatHomeService, shard);
-        });
-    return chatHomes;
+    return new SimpleChatHome(storageStrategy.read());
   }
 
   @Bean
-  InMemoryChatHomeService chatHomeService(
+  @ConditionalOnProperty(
+      prefix = "chat.backend.inmemory",
+      name = "sharding-strategy",
+      havingValue = "kafkalike")
+  ChatHome kafkalikeShardingChatHome(
       ChatBackendProperties properties,
       StorageStrategy storageStrategy)
   {
-    return new InMemoryChatHomeService(
-        properties.getInmemory().getNumShards(),
-        properties.getInmemory().getOwnedShards(),
-        storageStrategy.read());
+    int numShards = properties.getInmemory().getNumShards();
+    SimpleChatHome[] chatHomes = new SimpleChatHome[numShards];
+    IntStream
+        .of(properties.getInmemory().getOwnedShards())
+        .forEach(shard -> chatHomes[shard] = new SimpleChatHome(shard, storageStrategy.read()));
+    ShardingStrategy strategy = new KafkaLikeShardingStrategy(numShards);
+    return new ShardedChatHome(chatHomes, strategy);
   }
 
   @Bean