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<?php
/*
* This file is part of SwiftMailer.
* (c) 2009 Fabien Potencier <fabien.potencier@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface for spools.
*
* @author Fabien Potencier
*/
interface Swift_Spool
{
/**
* Starts this Spool mechanism.
*/
public function start();
/**
* Stops this Spool mechanism.
*/
public function stop();
/**
* Tests if this Spool mechanism has started.
*
* @return bool
*/
public function isStarted();
/**
* Queues a message.
*
* @param Swift_Mime_SimpleMessage $message The message to store
*
* @return bool Whether the operation has succeeded
*/
public function queueMessage(Swift_Mime_SimpleMessage $message);
/**
* Sends messages using the given transport instance.
*
* @param Swift_Transport $transport A transport instance
* @param string[] $failedRecipients An array of failures by-reference
*
* @return int The number of sent emails
*/
public function flushQueue(Swift_Transport $transport, &$failedRecipients = null);
}
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