/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.tutorial.configuration.bean;

import javax.ejb.Stateless;

import org.jboss.annotation.ejb.AspectDomain;

public abstract class CalculatorBean implements CalculatorRemote
{
   protected int memory;
   
   public int add(int x, int y)
   {
      return x + y;
   }

   public int subtract(int x, int y)
   {
      return x - y;
   }
   
   public void save(int x)
   {
	   memory = x;
   }
   
   public int recall()
   {
	  try
	  {
		 // delay to test Pool configuration
	     Thread.sleep(500);
	  } catch (Exception e){}
	  return memory;
   }
}