juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/persistence/storage/mongodb/MongoDbStorageConfiguration.java

   1 package de.juplo.kafka.chat.backend.persistence.storage.mongodb;
   2
   3 import de.juplo.kafka.chat.backend.ChatBackendProperties;
   4 import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
   5 import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
   6 import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomService;
   7 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
   8 import org.springframework.context.annotation.Bean;
   9 import org.springframework.context.annotation.Configuration;
  10
  11 import java.time.Clock;
  12
  13
  14 @ConditionalOnProperty(
  15     prefix = "chat.backend.inmemory",
  16     name = "storage-strategy",
  17     havingValue = "mongodb")
  18 @Configuration
  19 public class MongoDbStorageConfiguration
  20 {
  21   @Bean
  22   public StorageStrategy storageStrategy(
  23       ChatRoomRepository chatRoomRepository,
  24       ChatBackendProperties properties,
  25       Clock clock,
  26       ShardingStrategy shardingStrategy)
  27   {
  28     return new MongoDbStorageStrategy(
  29         chatRoomRepository,
  30         clock,
  31         properties.getChatroomBufferSize(),
  32         shardingStrategy,
  33         messageFlux -> new InMemoryChatRoomService(messageFlux));
  34   }
  35 }