package chat.module; import chat.module.entity.ChatRoom; import chat.user.User; public class ChatroomBucket extends Bucket { private static ChatroomBucket instance; private ChatroomBucket() { } public static synchronized ChatroomBucket getInstance() { if (instance == null) { instance = new ChatroomBucket(); } return instance; } // public ChatRoom createOne(String name, User sender) { // ChatRoom chatroom = new ChatRoom(name, sender); // String key = chatroom.getId(); // // addOne(key, chatroom); // // return chatroom; // } }