public function end(LogOperation $log)
{
$duration = $log->getStopTime() - $log->getStartTime();
if (!is_null($log->getError())) {
echo "\tError: " . $log->getError() . PHP_EOL;
}
echo "(" . $log->getDomain() . ") -- End Operation Type: " . $log->getOperation()->getName() . " -- ({$duration} seconds)" . PHP_EOL;
}