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