productservice.java

来自「java学习的必要的资料,servlet的说明很好」· Java 代码 · 共 58 行

package com.estore.struts.service;

import java.util.Collection;

import com.estore.struts.Globals;
import com.estore.struts.dao.ProductDao;
import com.estore.struts.entity.Catalog;
import com.estore.struts.entity.Product;
import com.estore.struts.utils.DaoFactory;

public class ProductService {
	
	public Collection<Product> getProducts(){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.findProducts();
	}
	
	public Product getProductById(Integer id){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.getProductByID(id);
	}
	
	public Collection<Product> getProductsByPages(Integer page){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.getProductsByPages(page);
	}
	
	public int getProudctCount(){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.getProudctCount();
	}
	
	public Collection<Product> searchProduct(String text,String rule){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.searchProduct(text,rule);
	}
	public Catalog getCatalog(int id){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		return productDao.getCatalog(id);
	}
	
	public void addProduct(Product product){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		productDao.addProduct(product);
	}
	
	public void removeProduct(int productId){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		Product product=getProductById(productId);
		productDao.deleteProduct(product);
	}
	
	public void modifyProduct(Product product){
		ProductDao productDao=(ProductDao) DaoFactory.getInstance().getDao(Globals.PRODUCT_DAO);
		productDao.updateProduct(product);
	}
}