juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/domain/ChatHome.java

   1 package de.juplo.kafka.chat.backend.domain;
   2
   3 import lombok.RequiredArgsConstructor;
   4
   5 import java.util.*;
   6
   7
   8 @RequiredArgsConstructor
   9 public class ChatHome
  10 {
  11   private final Map<UUID, Chatroom> chatrooms = new HashMap<>();
  12   private final ChatroomFactory factory;
  13
  14
  15   public Chatroom createChatroom(String name)
  16   {
  17     Chatroom chatroom = factory.createChatroom(UUID.randomUUID(), name);
  18     chatrooms.put(chatroom.getId(), chatroom);
  19     return chatroom;
  20   }
  21
  22   public Optional<Chatroom> getChatroom(UUID id)
  23   {
  24     return Optional.ofNullable(chatrooms.get(id));
  25   }
  26
  27   public Collection<Chatroom> list()
  28   {
  29     return chatrooms.values();
  30   }
  31 }