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

   1 package de.juplo.kafka.chat.backend.persistence.inmemory;
   2
   3 import de.juplo.kafka.chat.backend.domain.*;
   4 import lombok.RequiredArgsConstructor;
   5 import lombok.extern.slf4j.Slf4j;
   6 import reactor.core.publisher.Flux;
   7 import reactor.core.publisher.Mono;
   8
   9 import java.time.Clock;
  10 import java.util.UUID;
  11
  12
  13 @RequiredArgsConstructor
  14 @Slf4j
  15 public class InMemoryChatRoomFactory implements ChatRoomFactory
  16 {
  17   private final InMemoryChatHomeService chatHomeService;
  18   private final ShardingStrategy shardingStrategy;
  19   private final Clock clock;
  20   private final int bufferSize;
  21
  22
  23   @Override
  24   public Mono<ChatRoomInfo> createChatRoom(UUID id, String name)
  25   {
  26     log.info("Creating ChatRoom with buffer-size {}", bufferSize);
  27     int shard = shardingStrategy.selectShard(id);
  28     ChatRoomService service = new InMemoryChatRoomService(Flux.empty());
  29     ChatRoom chatRoom = new ChatRoom(id, name, shard, clock, service, bufferSize);
  30     chatHomeService.putChatRoom(chatRoom);
  31     return Mono.just(chatRoom);
  32   }
  33 }