/*

 *

 * Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.

 * 

 * This software is the proprietary information of Sun Microsystems, Inc.  

 * Use is subject to license terms.

 * 

 */



import java.util.*;

import javax.ejb.*;

import javax.naming.*;



public class CheckerEJB implements SessionBean {



   String customerName;



   public void ejbCreate(String person) {



      customerName = person;

   }



   public double applyDiscount(double amount) {



      try {



         double discount;

   

         Context initial = new InitialContext();

         Context environment = (Context)initial.lookup("java:comp/env");

   

         Double discountLevel = (Double)environment.lookup("Discount Level");

         Double discountPercent = (Double)environment.lookup("Discount Percent");

   

         if (amount >= discountLevel.doubleValue()) {

            discount = discountPercent.doubleValue();

         }

         else {

            discount = 0.00;

         }

    

         return amount * (1.00 - discount);



      } catch (NamingException ex) {

           throw new EJBException("NamingException: " + ex.getMessage());

      }

   }



   public CheckerEJB() {}

   public void ejbRemove()  {}

   public void ejbActivate() {}

   public void ejbPassivate() {}

   public void setSessionContext(SessionContext sc) {}

}