/**
* {@inheritdoc}
*/
public function rebuild()
{
if ($this->building) {
throw new \RuntimeException('Recursive router rebuild detected.');
}
if (!$this->lock->acquire('router_rebuild')) {
// Wait for another request that is already doing this work.
// We choose to block here since otherwise the routes might not be
// available, resulting in a 404.
$this->lock->wait('router_rebuild');
return FALSE;
}
$this->building = TRUE;
$collection = new RouteCollection();
foreach ($this->getRouteDefinitions() as $routes) {
// The top-level 'routes_callback' is a list of methods in controller
// syntax, see \Drupal\Core\Controller\ControllerResolver. These methods
// should return a set of \Symfony\Component\Routing\Route objects, either
// in an associative array keyed by the route name, which will be iterated
// over and added to the collection for this provider, or as a new
// \Symfony\Component\Routing\RouteCollection object, which will be added
// to the collection.
if (isset($routes['route_callbacks'])) {
foreach ($routes['route_callbacks'] as $route_callback) {
$callback = $this->controllerResolver->getControllerFromDefinition($route_callback);
if ($callback_routes = call_user_func($callback)) {
// If a RouteCollection is returned, add the whole collection.
if ($callback_routes instanceof RouteCollection) {
$collection->addCollection($callback_routes);
} else {
foreach ($callback_routes as $name => $callback_route) {
$collection->add($name, $callback_route);
}
}
}
}
unset($routes['route_callbacks']);
}
foreach ($routes as $name => $route_info) {
$route_info += array('defaults' => array(), 'requirements' => array(), 'options' => array());
$route = new Route($route_info['path'], $route_info['defaults'], $route_info['requirements'], $route_info['options']);
$collection->add($name, $route);
}
}
// DYNAMIC is supposed to be used to add new routes based upon all the
// static defined ones.
$this->dispatcher->dispatch(RoutingEvents::DYNAMIC, new RouteBuildEvent($collection));
// ALTER is the final step to alter all the existing routes. We cannot stop
// people from adding new routes here, but we define two separate steps to
// make it clear.
$this->dispatcher->dispatch(RoutingEvents::ALTER, new RouteBuildEvent($collection));
$this->checkProvider->setChecks($collection);
$this->dumper->addRoutes($collection);
$this->dumper->dump();
$this->lock->release('router_rebuild');
$this->dispatcher->dispatch(RoutingEvents::FINISHED, new Event());
$this->building = FALSE;
$this->rebuildNeeded = FALSE;
return TRUE;
}
/**
* Deletes data from the store for a given key and releases the lock on it.
*
* @param string $key
* The key of the data to delete.
*/
public function delete($key)
{
if (!$this->lockBackend->acquire($key)) {
$this->lockBackend->wait($key);
if (!$this->lockBackend->acquire($key)) {
throw new TempStoreException("Couldn't acquire lock to delete item '{$key}' from {$this->storage->getCollectionName()} temporary storage.");
}
}
$this->storage->delete($key);
$this->lockBackend->release($key);
}
/**
* Deletes data from the store for a given key and releases the lock on it.
*
* @param string $key
* The key of the data to delete.
*/
public function delete($key)
{
if (!$this->lockBackend->acquire($key)) {
$this->lockBackend->wait($key);
if (!$this->lockBackend->acquire($key)) {
throw new TempStoreException(String::format("Couldn't acquire lock to delete item %key from %collection temporary storage.", array('%key' => $key, '%collection' => $this->storage->getCollectionName())));
}
}
$this->storage->delete($key);
$this->lockBackend->release($key);
}
/**
* Perform menu-specific rebuilding.
*/
protected function menuLinksRebuild()
{
if ($this->lock->acquire(__FUNCTION__)) {
$transaction = db_transaction();
try {
// Ensure the menu links are up to date.
$this->menuLinkManager->rebuild();
// Ignore any database replicas temporarily.
db_ignore_replica();
} catch (\Exception $e) {
$transaction->rollback();
watchdog_exception('menu', $e);
}
$this->lock->release(__FUNCTION__);
} else {
// Wait for another request that is already doing this work.
// We choose to block here since otherwise the router item may not
// be available during routing resulting in a 404.
$this->lock->wait(__FUNCTION__);
}
}
/**
* Deletes data from the store for a given key and releases the lock on it.
*
* @param string $key
* The key of the data to delete.
*
* @return bool
* TRUE if the object was deleted or does not exist, FALSE if it exists but
* is not owned by $this->owner.
*/
public function delete($key)
{
$key = $this->createkey($key);
if (!($object = $this->storage->get($key))) {
return TRUE;
} elseif ($object->owner != $this->getOwner()) {
return FALSE;
}
if (!$this->lockBackend->acquire($key)) {
$this->lockBackend->wait($key);
if (!$this->lockBackend->acquire($key)) {
throw new TempStoreException("Couldn't acquire lock to delete item '{$key}' from '{$this->storage->getCollectionName()}' temporary storage.");
}
}
$this->storage->delete($key);
$this->lockBackend->release($key);
return TRUE;
}
/**
* Deletes data from the store for a given key and releases the lock on it.
*
* @param string $key
* The key of the data to delete.
*
* @return bool
* TRUE if the object was deleted or does not exist, FALSE if it exists but
* is not owned by $this->owner.
*/
public function delete($key)
{
$key = $this->createkey($key);
if (!($object = $this->storage->get($key))) {
return TRUE;
} elseif ($object->owner != $this->getOwner()) {
return FALSE;
}
if (!$this->lockBackend->acquire($key)) {
$this->lockBackend->wait($key);
if (!$this->lockBackend->acquire($key)) {
throw new TempStoreException(SafeMarkup::format("Couldn't acquire lock to delete item %key from %collection temporary storage.", array('%key' => $key, '%collection' => $this->storage->getCollectionName())));
}
}
$this->storage->delete($key);
$this->lockBackend->release($key);
return TRUE;
}
/**
* Perform menu-specific rebuilding.
*/
protected function menuLinksRebuild()
{
if ($this->lock->acquire(__FUNCTION__)) {
$transaction = db_transaction();
try {
// Ensure the menu links are up to date.
menu_link_rebuild_defaults();
// Clear the menu cache.
menu_cache_clear_all();
// Track which menu items are expanded.
_menu_update_expanded_menus();
} catch (\Exception $e) {
$transaction->rollback();
watchdog_exception('menu', $e);
}
$this->lock->release(__FUNCTION__);
} else {
// Wait for another request that is already doing this work.
// We choose to block here since otherwise the router item may not
// be available during routing resulting in a 404.
$this->lock->wait(__FUNCTION__);
}
}
