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 @Configuration
  24 @EnableAutoConfiguration(
  25     exclude = {
  26         MongoRepositoriesAutoConfiguration.class,
  27         MongoAutoConfiguration.class })
  28 public class FilesStorageConfiguration
  29 {
  30   @Bean
  31   public StorageStrategy storageStrategy(
  32       ChatBackendProperties properties,
  33       Clock clock,
  34       ShardingStrategy shardingStrategy,
  35       ObjectMapper mapper)
  36   {
  37     return new FilesStorageStrategy(
  38         Paths.get(properties.getInmemory().getStorageDirectory()),
  39         clock,
  40         properties.getChatroomBufferSize(),
  41         shardingStrategy,
  42         messageFlux -> new InMemoryChatRoomService(messageFlux),
  43         mapper);
  44   }
  45 }