/**
* Loads the routes into a collection.
*
* Loads the resources from cache if the cache is still valid, or re-loads
* and re-creates the cache if neccessary.
*
* @return RouteCollectionInterface
*/
public function load(RouteLoaderInterface $loader, $forceValidate = false)
{
if (!$this->isValid($forceValidate)) {
$loader->addListener($this);
$this->doLoadResources($loader, $forceValidate);
$loader->removeListener($this);
}
return $this->storage->read();
}
