private function createExchanges(Configuration $config)
{
foreach ($config['exchanges'] as $name => $parameters) {
$currentWithUnroutable = $config->hasUnroutableExchange();
if (isset($parameters['with_unroutable'])) {
$currentWithUnroutable = (bool) $parameters['with_unroutable'];
unset($parameters['with_unroutable']);
}
if ($currentWithUnroutable && !isset($config['arguments']['alternate-exchange'])) {
if (!isset($parameters['arguments'])) {
$parameters['arguments'] = array();
}
$parameters['arguments']['alternate-exchange'] = 'unroutable';
}
$this->createExchange($name, $parameters);
}
}
