package com.opentravelsoft.service;
import java.util.List;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import com.opentravelsoft.entity.Member;
import com.opentravelsoft.providers.MemberDao;
/**
* Business Service Interface to handle communication between web and
* persistence layer.
*
*/
public interface UserManager extends GenericManager<Member, Long> {
/**
* Convenience method for testing - allows you to mock the DAO and set it on an interface.
* @param userDao the UserDao implementation to use
*/
void setUserDao(MemberDao userDao);
/**
* Retrieves a user by userId. An exception is thrown if user not found
*
* @param userId the identifier for the user
* @return User
*/
Member getUser(String userId);
/**
* Finds a user by their username.
* @param username the user's username used to login
* @return User a populated user object
* @throws org.springframework.security.userdetails.UsernameNotFoundException
* exception thrown when user not found
*/
Member getUserByUsername(String username) throws UsernameNotFoundException;
/**
* Retrieves a list of all users.
* @return List
*/
List getUsers();
/**
* Saves a user's information.
*
* @param user the user's information
* @throws UserExistsException thrown when user already exists
* @return user the updated user object
*/
Member saveUser(Member user) throws UserExistsException;
/**
* Removes a user from the database by their userId
*
* @param userId the user's id
*/
void removeUser(String userId);
}