package cn.javass.bookmgr.salebook.business.factory;

import cn.javass.bookmgr.salebook.business.ebi.SaleBookEbi;
import cn.javass.bookmgr.salebook.business.ebo.SaleBookEbo;
/**
 * 獲取銷售模塊邏輯層接口的工廠類
 *
 * <p>Title: Java私塾第一個Java項目——圖書進銷存系統（單機版）</p>
 * <p>Description: 網址:<a href="http://www.javass.cn">http://www.javass.cn</a>
 * 新電話:010-86835215   新地址:北京市海淀區廠洼路5號院深博達商務樓5層</p>
 * <p>Copyright: Copyright (c) 2008</p>
 * <p>Company: Java私塾</p>
 * @author Java私塾
 * @version 1.0
 */
public class SaleBookFactory {
  private static SaleBookFactory uf = null;
  private SaleBookFactory() {
  }
  /**
   * 獲取銷售模塊邏輯層接口的工廠實例，單例模式的方法。
   * @return 銷售模塊邏輯層接口的工廠實例
   */
  public static  SaleBookFactory getInstance(){
    if(uf==null){
      uf = new SaleBookFactory();
    }
    return uf;
  }
  /**
   * 獲取銷售模塊邏輯層接口
   * @return 銷售模塊邏輯層接口
   */
  public SaleBookEbi createSaleBookEbi(){
   return new SaleBookEbo();
  }
}