/**
* Invoked immediately after the Message is sent.
*
* @param Swift_Events_SendEvent $evt
*/
public function sendPerformed(Swift_Events_SendEvent $evt)
{
++$this->_counter;
if ($this->_counter >= $this->_threshold) {
$transport = $evt->getTransport();
$transport->stop();
if ($this->_sleep) {
$this->sleep($this->_sleep);
}
$transport->start();
$this->_counter = 0;
}
}