/*
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.aop.patterns.observable;
/**
* An Observer. Implement this interface to register
* for subject changes.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 22230 $
*/
public interface Observer
{
/**
* Notification that a subject has changed
*
* @param subject the subject
*/
void fireChange(Subject subject);
}