package com.bebig.service;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;

import com.bebig.dao.UserDAO;
import com.bebig.model.User;

//相当于在XML中配置了scope
@Scope("singleton")
@Service("userService")
public class UserService {
    private UserDAO userDAO;

    public void add(User u) {
        userDAO.save(u);

    }

    @Resource(name = "u")
    public void setUserDAO(UserDAO userDAO) {
        this.userDAO = userDAO;
    }

    public UserDAO getUserDAO() {
        return userDAO;
    }

    // 相当于在XML中配置了init-method
    @PostConstruct
    public void init() {
        System.out.println("init.");
    }

    // 相当于在XML中配置了destroy-method
    @PreDestroy
    public void destory() {
        System.out.println("destory.");
    }
}
 

  @PostConstruct = init-method; @PreDestroy = destroy-method;