customerservice1impl.java

来自「开发的一个java web的任务管理系统。」· Java 代码 · 共 51 行

/**
 * 
 */
package unicom.service;

import java.util.List;

import unicom.bean.Customer;
import unicom.dao.ICustomerDao;
import unicom.factory.*;

/**
 * @author 陈才旭
 * 功能：实现接口ICustomerService,封装业务逻辑
 * 优点：降低耦合，容易控制
 * 缺点：....
 * 建议：此处与DAO层不一定是一对一的关系，而应该是多对多的关系，本系统中比较特殊，需要注意
 */
public class CustomerService1Impl implements ICustomerService {

	private static ICustomerDao customerDao;
	
	//当类加载时为customerDao赋予初始值
	static{
		AbstractFactory factory = MakeFactory.makeFactory();
		customerDao = factory.createCustomerDao();
	}
	
	//增加客户
	public boolean addCustomer(Customer c) {
		return customerDao.addCustomer(c);
	}

	//判断该客户是否合法
	public boolean checkCustomer(String number) {
		return customerDao.checkCustomerByNumber(number);
	}

	//根据number返回实体客户相关信息
	public Customer returnCustomerByNumber(String number) {
		return customerDao.returnCustomerByNumber(number);
	}

	//以List形式返回所有实体客户的id
	public List returnAllCustomer() {
		return customerDao.returnAllCustomer();
	}
	

}