<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Listens for changes within the Transport system.
*
* @author Chris Corbyn
*/
interface Swift_Events_TransportChangeListener extends Swift_Events_EventListener
{
/**
* Invoked just before a Transport is started.
*
* @param Swift_Events_TransportChangeEvent $evt
*/
public function beforeTransportStarted(Swift_Events_TransportChangeEvent $evt);
/**
* Invoked immediately after the Transport is started.
*
* @param Swift_Events_TransportChangeEvent $evt
*/
public function transportStarted(Swift_Events_TransportChangeEvent $evt);
/**
* Invoked just before a Transport is stopped.
*
* @param Swift_Events_TransportChangeEvent $evt
*/
public function beforeTransportStopped(Swift_Events_TransportChangeEvent $evt);
/**
* Invoked immediately after the Transport is stopped.
*
* @param Swift_Events_TransportChangeEvent $evt
*/
public function transportStopped(Swift_Events_TransportChangeEvent $evt);
}