hibernatetreeparent.java

eclipse的hibernate插件,支持eclipse2.*版本

/*
 * Created on 2003-4-10
 *
 */
package com.tanghan.plugin.hibernate.editor.elements;

import java.util.ArrayList;

/** 树的父节点类型
 * @author Jerry Tang
 * @version v0.1.0
 * @copyright  (C) 2003 Tanghan工作组
 *  */
public class HibernateTreeParent extends HibernateTreeObject{
	private ArrayList children;

	/**构造函数
	 * @param name 节点名称
	 * @param obj 节点对应的对象实例
	 */
	public HibernateTreeParent(String name, Object obj, int type) {
		super(name, obj,type);
		init();
	}

	/** 构造函数
	 * @param name 节点名称
	 */
	public HibernateTreeParent(String name, int type) {
		super(name,type);
		children = new ArrayList();
	}
	/**初始化*/
	private void init(){
		children = new ArrayList();
	}
	
	/**	添加字节点
	 * @param child 字节点
	 */
	public void addChild(HibernateTreeObject child) {
		children.add(child);
		child.setParent(this);
	}
	
	/**删除字节点
	 * @param child 字节点
	 */
	public void removeChild(HibernateTreeObject child) {
		children.remove(child);
		child.setParent(null);
	}
	/** 得到所有的节点列表
	 * @return 所有字节点的数组列表
	 */
	public HibernateTreeObject [] getChildren() {
		return (HibernateTreeObject [])children.toArray(new HibernateTreeObject[children.size()]);
	}
	/** 查询是否有字节点
	 * @return 是否有字节点
	 */
	public boolean hasChildren() {
		return children.size()>0;
	}
	/**
	 * 去掉所有字节点
	 * */
	public void emptyChildren(){
		for(int i =0 ; i<children.size();i++){
			HibernateTreeObject child =(HibernateTreeObject)children.get(i);
			removeChild(child);
		}
	}
}