ChatMessageService service = new InMemoryChatMessageService(id);
ChatRoomInfo chatRoomInfo = new ChatRoomInfo(id, name, shard);
this.chatRoomInfo.put(id, chatRoomInfo);
ChatMessageService service = new InMemoryChatMessageService(id);
ChatRoomInfo chatRoomInfo = new ChatRoomInfo(id, name, shard);
this.chatRoomInfo.put(id, chatRoomInfo);