X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Fkafka%2FKafkaServicesConfiguration.java;h=5367fdf0841c873feda731b860add63fcf2b4a16;hb=e7150b6822c45c520db73a96785dc0a8a81f503b;hp=91115ea5d2e84997040b1462b7a9e83656e22349;hpb=df2360875c75f25798f2f55d1e77fc8d46cc31b0;p=demos%2Fkafka%2Fchat

diff --git a/src/test/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesConfiguration.java b/src/test/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesConfiguration.java
index 91115ea5..5367fdf0 100644
--- a/src/test/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesConfiguration.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/persistence/kafka/KafkaServicesConfiguration.java
@@ -7,15 +7,26 @@ import de.juplo.kafka.chat.backend.domain.ShardedChatHome;
 import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
 import de.juplo.kafka.chat.backend.domain.SimpleChatHome;
 import de.juplo.kafka.chat.backend.persistence.KafkaLikeShardingStrategy;
-import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
 import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatHomeService;
 import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomFactory;
+import jakarta.annotation.PreDestroy;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.Consumer;
+import org.apache.kafka.clients.producer.Producer;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+import org.springframework.util.concurrent.ListenableFuture;
 
 import java.time.Clock;
+import java.time.ZoneId;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
 
 
 @ConditionalOnProperty(
@@ -23,65 +34,118 @@ import java.time.Clock;
     name = "services",
     havingValue = "kafka")
 @Configuration
+@Slf4j
 public class KafkaServicesConfiguration implements ApplicationRunner
 {
-  @Bean
-  ChatHome kafkaChatHome(
-      ChatBackendProperties properties,
-      KafkaChatHomeService chatHomeService)
+  @Autowired
+  ThreadPoolTaskExecutor taskExecutor;
+  @Autowired
+  ConfigurableApplicationContext context;
+
+  @Autowired
+  ChatMessageChannel chatMessageChannel;
+  @Autowired
+  ChatRoomChannel chatRoomChannel;
+
+  CompletableFuture<Void> chatRoomChannelConsumerJob;
+  CompletableFuture<Void> chatMessageChannelConsumerJob;
+
+
+  @Override
+  public void run(ApplicationArguments args) throws Exception
   {
-    int numShards = properties.getInmemory().getNumShards();
-    SimpleChatHome[] chatHomes = new SimpleChatHome[numShards];
-    for (int shard = 0; shard < numShards; shard++)
-    {
-
-    }
-        .read()
-        .subscribe(chatRoom ->
+    log.info("Starting the consumer for the ChatRoomChannel");
+    chatRoomChannelConsumerJob = taskExecutor
+        .submitCompletable(chatRoomChannel)
+        .exceptionally(e ->
+        {
+          log.error("The consumer for the ChatRoomChannel exited abnormally!", e);
+          return null;
+        });
+    log.info("Starting the consumer for the ChatMessageChannel");
+    chatMessageChannelConsumerJob = taskExecutor
+        .submitCompletable(chatMessageChannel)
+        .exceptionally(e ->
         {
-          int shard = chatRoom.getShard();
-          if (chatHomes[shard] == null)
-            chatHomes[shard] = new SimpleChatHome(chatHomeService, shard);
+          log.error("The consumer for the ChatMessageChannel exited abnormally!", e);
+          return null;
         });
-    ShardingStrategy strategy = new KafkaLikeShardingStrategy(numShards);
-    return new ShardedChatHome(chatHomes, strategy);
   }
 
+  @PreDestroy
+  public void joinChatRoomChannelConsumerJob()
+  {
+    log.info("Waiting for the consumer of the ChatRoomChannel to finish its work");
+    chatRoomChannelConsumerJob.join();
+    log.info("Joined the consumer of the ChatRoomChannel");
+  }
+
+  @PreDestroy
+  public void joinChatMessageChannelConsumerJob()
+  {
+    log.info("Waiting for the consumer of the ChatMessageChannel to finish its work");
+    chatMessageChannelConsumerJob.join();
+    log.info("Joined the consumer of the ChatMessageChannel");
+  }
+
+
   @Bean
-  KafkaChatHomeService kafkaChatHomeService(ChatBackendProperties properties)
+  ChatHome kafkaChatHome(
+      ShardingStrategy shardingStrategy,
+      ChatMessageChannel chatMessageChannel)
+  {
+    return new KafkaChatHome(shardingStrategy, chatMessageChannel);
+  }
+
+  @Bean
+  KafkaChatRoomFactory chatRoomFactory(ChatRoomChannel chatRoomChannel)
   {
-    ShardingStrategyType sharding =
-        properties.getInmemory().getShardingStrategy();
-    int numShards = sharding == ShardingStrategyType.none
-        ? 1
-        : properties.getInmemory().getNumShards();
-    int[] ownedShards = sharding == ShardingStrategyType.none
-        ? new int[] { 0 }
-        : properties.getInmemory().getOwnedShards();
-    return new InMemoryChatHomeService(
-        numShards,
-        ownedShards,
-        storageStrategy.read());
+    return new KafkaChatRoomFactory(chatRoomChannel);
   }
 
   @Bean
-  InMemoryChatRoomFactory chatRoomFactory(
-      InMemoryChatHomeService service,
-      ShardingStrategy strategy,
-      Clock clock,
-      ChatBackendProperties properties)
+  ChatRoomChannel chatRoomChannel(
+      ChatBackendProperties properties,
+      Producer<Integer, ChatRoomTo> chatRoomChannelProducer,
+      Consumer<Integer, ChatRoomTo> chatRoomChannelConsumer,
+      ShardingStrategy shardingStrategy,
+      ChatMessageChannel chatMessageChannel,
+      Clock clock)
   {
-    return new InMemoryChatRoomFactory(
-        service,
-        strategy,
+    return new ChatRoomChannel(
+        properties.getKafka().getTopic(),
+        chatRoomChannelProducer,
+        chatRoomChannelConsumer,
+        shardingStrategy,
+        chatMessageChannel,
         clock,
         properties.getChatroomBufferSize());
   }
 
   @Bean
-  ShardingStrategy kafkalikeShardingStrategy(ChatBackendProperties properties)
+  ChatMessageChannel chatMessageChannel(
+      ChatBackendProperties properties,
+      Producer<String, MessageTo> chatMessageChannelProducer,
+      Consumer<String, MessageTo> chatMessageChannelConsumer,
+      ZoneId zoneId)
   {
-    return new KafkaLikeShardingStrategy(
+    return new ChatMessageChannel(
+        properties.getKafka().getTopic(),
+        chatMessageChannelProducer,
+        chatMessageChannelConsumer,
+        zoneId,
         properties.getKafka().getNumPartitions());
   }
+
+  @Bean
+  ShardingStrategy shardingStrategy(ChatBackendProperties properties)
+  {
+    return new KafkaLikeShardingStrategy(properties.getKafka().getNumPartitions());
+  }
+
+  @Bean
+  ZoneId zoneId()
+  {
+    return ZoneId.systemDefault();
+  }
 }