juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/SimpleChatHome.java

   1 package de.juplo.kafka.chat.backend.domain;
   2
   3 import lombok.extern.slf4j.Slf4j;
   4 import reactor.core.publisher.Flux;
   5 import reactor.core.publisher.Mono;
   6
   7 import java.util.*;
   8
   9
  10 @Slf4j
  11 public class SimpleChatHome implements ChatHome
  12 {
  13   private final ChatHomeService service;
  14   private final int shard;
  15
  16
  17   public SimpleChatHome(ChatHomeService service, int shard)
  18   {
  19     log.info("Created SimpleChatHome for shard {}", shard);
  20     this.service = service;
  21     this.shard = shard;
  22   }
  23
  24   public SimpleChatHome(ChatHomeService service)
  25   {
  26     this(service, 0);
  27   }
  28
  29
  30   @Override
  31   public Mono<ChatRoom> getChatRoom(UUID id)
  32   {
  33     return service
  34         .getChatRoom(shard, id)
  35         .switchIfEmpty(Mono.error(() -> new UnknownChatroomException(id)));
  36   }
  37
  38   @Override
  39   public Flux<ChatRoom> getChatRooms()
  40   {
  41     return service.getChatRooms(shard);
  42   }
  43 }