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Account.javaAPI DocJBoss 4.2.11944Fri Jul 13 21:02:22 BST 2007test.patterns.readwritelock

Account.java

/*
 * 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 test.patterns.readwritelock;
/**
 * @version <tt>$Revision: 57186 $</tt>
 * @author  <a href="mailto:chussenet@yahoo.com">{Claude Hussenet Independent Consultant}</a>.
 */
public class Account
{

  private float balance;

   public Account(float balance)
   {
	this.balance=balance;
   }

   public void debit(float amount)
   {
	   float currentBalance = balance;
	   process(amount);
       this.balance = currentBalance-amount;
   }

   public void credit(float amount)
   {
	   float currentBalance = balance;
	   process(amount);
       this.balance = currentBalance+amount;
   }

   public String toString()
   {
	 return new StringBuffer("Balance: $").append(this.balance).toString();
   }
   public float getBalance()
   {
	return balance;
   }

   public void process(float ll)
   {
	  try {

		  Thread.sleep((long)ll);
	  }
	  catch (Exception e)
	  {
		  System.out.println(e);
	  }
   }
}