customercontroller.java

我做的ssd9 exercise6 的答案。分享

/**
 * UserController is used to control user's login,logout,register.
 */ 

public class CustomerController{
	private Customer customer;
	/**
	 * Class constructor.
	 * When create this object, the user to manage will be set as param.
	 * @param user  the user's object that this class will manage.
	 */
	public CustomerController(Customer customer){
		this.customer=customer;
	}
	/**
	 * This method is used to login user.
	 * <p>
	 * Algorithm:
	 * <p>
	 * This method will get access to database (user table).
	 * Then it will query whether the table has the record related to current name and pass.
	 * If the query's resultset is not null, then the user login success.
	 * Otherwise, the user cann't login. 
	 * If the user login success, this method will read his/her information in the database and set them to the user object this class control.
	 * And also, set the login attribute of the user object with true.
	 * <p>
	 * Internal data structures:
	 * <p>
	 * User user.
	 * @see User
	 * 
	 * @param name  the user's login name.
	 * @param pass  the user's login password.
	 * @return If user login success, return true. Otherwise, return false.
	 */
	public boolean login(String name,String pass){
		//body
		return true;
	}
	/**
	 * This method is used to logout user.
	 * <p>
	 * Algorithm:
	 * <p>
	 * This method just need to set the user's login attribute with false.
	 * Then everything's ok.  
	 * <p>
	 * Internal data structures:
	 * <p>
	 * User user.
	 * @see User
	 * 
	 */
	public void logout(){
		//body
	}
	/**
	 * This method is used to register user.
	 * <p>
	 * Algorithm:
	 * <p>
	 * This method just need to insert an record to the database(user table).
	 * All the information need for field in the user table contains in the param object.
	 * If the database update success return true. Otherwise, return false. 
	 * <p>
	 * Internal data structures:
	 * <p>
	 * User user.
	 * @see User
	 * @param u  a user object which contains all the information need for register.
	 * @return If the user register success, return true. Otherwise, return false.
	 */
	public boolean register(Customer customer){
		//body
		return true;
	}

}