/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.mx.remoting.tracker;

import java.io.Serializable;

import javax.management.Notification;

import org.jboss.mx.remoting.MBeanLocator;

/**
 * MBeanTrackerAction
 *
 * @author <a href="mailto:jhaynie@vocalocity.net">Jeff Haynie</a>
 * @version $Revision$
 */
public interface MBeanTrackerAction extends Serializable
{
    /**
     * called when an MBean is registered with the MBeanServer
     *
     * @param locator
     */
    public void mbeanRegistered (MBeanLocator locator);

    /**
     * called when an MBean is unregistered with the MBeanServer
     *
     * @param locator
     */
    public void mbeanUnregistered (MBeanLocator locator);

    /**
     * called when a mbean notification is fired
     *
     * @param locator
     * @param notification
     * @param handback
     */
    public void mbeanNotification (MBeanLocator locator, Notification notification, Object handback);

    /**
     * called when the mbean state changes.  Note: this method will only be called on MBeans that have a
     * <tt>State</tt> attribute and where state change attribute notifications are fired
     *
     * @param locator
     * @param oldState
     * @param newState
     */
    public void mbeanStateChanged (MBeanLocator locator, int oldState, int newState);
}
