/** * Copyright (c) 2018 人人开源 All rights reserved. * * https://www.renren.io * * 版权所有,侵权必究! */ package com.example.client.entity; import java.io.Serializable; import java.util.List; /** * 树节点,所有需要实现树节点的,都需要继承该类 * * @author hehz * @since 1.0.0 */ public interface TreeNode extends Serializable { Long getId(); void setId(Long id); Long getPid(); void setPid(Long pid); List getChildren(); }