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

   1 package de.juplo.kafka.chat.backend.persistence.storage.files;
   2
   3 import com.fasterxml.jackson.databind.ObjectMapper;
   4 import de.juplo.kafka.chat.backend.ChatBackendProperties;
   5 import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
   6 import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
   7 import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomService;
   8 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
   9 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  10 import org.springframework.boot.autoconfigure.data.mongo.MongoRepositoriesAutoConfiguration;
  11 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
  12 import org.springframework.context.annotation.Bean;
  13 import org.springframework.context.annotation.Configuration;
  14
  15 import java.nio.file.Paths;
  16 import java.time.Clock;
  17
  18
  19 @ConditionalOnProperty(
  20     prefix = "chat.backend.inmemory",
  21     name = "storage-strategy",
  22     havingValue = "files",
  23     matchIfMissing = true)
  24 @Configuration
  25 @EnableAutoConfiguration(
  26     exclude = {
  27         MongoRepositoriesAutoConfiguration.class,
  28         MongoAutoConfiguration.class })
  29 public class FilesStorageConfiguration
  30 {
  31   @Bean
  32   public StorageStrategy storageStrategy(
  33       ChatBackendProperties properties,
  34       Clock clock,
  35       ShardingStrategy shardingStrategy,
  36       ObjectMapper mapper)
  37   {
  38     return new FilesStorageStrategy(
  39         Paths.get(properties.getInmemory().getStorageDirectory()),
  40         clock,
  41         properties.getChatroomBufferSize(),
  42         shardingStrategy,
  43         messageFlux -> new InMemoryChatRoomService(messageFlux),
  44         mapper);
  45   }
  46 }