package com.laoer.bbscs.dao;

import com.laoer.bbscs.bean.*;
import java.util.*;

/**
 * <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 IBlackUserDAO {

  /**
   *
   * @param bu BlackUser
   * @return BlackUser
   */
  public BlackUser saveBlackUser(BlackUser bu);

  /**
   *
   * @param id long
   * @return BlackUser
   */
  public BlackUser getBlackUser(long id);

  /**
   *
   * @param atSite short
   * @param atBoard long
   * @param atBoards long
   * @return List
   */
  public List findBlackUserList(short atSite, long atBoard, long atBoards);

  /**
   *
   * @param atSite short
   * @param atBoard long
   * @param atBoards long
   * @return int
   */
  public int getBlackUserNum(short atSite, long atBoard, long atBoards);

  /**
   *
   * @param atSite short
   * @param atBoard long
   * @param atBoards long
   * @param pages Pages
   * @return PageList
   */
  public List findBlackUserList(short atSite, long atBoard, long atBoards,
                                    int firstResult, int maxResults);

  /**
   *
   * @param userName String
   * @param atSite short
   * @param atBoard long
   * @param atBoards long
   * @return BlackUser
   */
  public BlackUser findBlackUserByUserName(String userName, short atSite,
                                           long atBoard, long atBoards);

  /**
   *
   * @param bu BlackUser
   */
  public void removeBlackUser(BlackUser bu);

}