productsbean.java

来自「网络商店源代码用NetBeans6.1Beta开发」· Java 代码 · 共 39 行

package model;

import java.util.*;

public class ProductsBean {

    private List<Product> list = null;
    private boolean listCurrent = false;

    public List<Product> findAll() throws Exception {
        System.out.println("getList");
        if (list == null || !listCurrent) {
            list = Products.findAll();
            listCurrent = true;
        }
        return list;
    }

    public void createTable() throws Exception {
        Products.createTable();
        listCurrent = false;
    }

    public void create(Product p) throws Exception {
        Products.create(p);
        listCurrent = false;
    }

    public Product find(int id) throws Exception {
        System.out.println("getBook");
        return Products.find(id);
    }

    public void updateRecord(int id, String price) throws Exception {
        Products.updateRecord(id, price);
        listCurrent = false;
    }
}