package src.com.laoer.bbscs.dao;

import java.util.*;

import src.com.laoer.bbscs.bean.*;
/**
 * <p>Title: TianYi BBS</p>
 * <p>Description: TianYi BBS System</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: LAOER.COM/TIANYISOFT.NET</p>
 * @author laoer
 * @version 6.0
 */

public interface IUserInfoDAO {

  /**
   * Save a UserInfo Object
   * @param userinfo UserInfo
   * @return UserInfo
   */
  public UserInfo saveUserInfo(UserInfo userinfo);

  /**
   * Find a UserInfo object by id
   * @param id Long
   * @return UserInfo
   */
  public UserInfo findUserInfoById(Long id);

  /**
   * Find a UserInfo Object by Username
   * @param username String
   * @return UserInfo
   */
  public UserInfo findUserInfoByUserName(String username);

  /**
   * Find a UserInfo Object by email
   * @param email String
   * @return UserInfo
   */
  public UserInfo findUserInfoByEmail(String email);

  /**
   * Find a UserInfo object by username and password
   * @param username String
   * @param passwd String
   * @return UserInfo
   */
  public UserInfo findUserInfoByPasswd(String username, String passwd);

  public List findUserInfoList(String orderby, String ascordesc,
                                   int firstResult, int maxResults);

  /**
   * Get all user count
   * @return int
   */
  public int getAllUserNum();

}