public function AliasWhitelist::resolveCacheMiss

public AliasWhitelist::resolveCacheMiss($root)

Resolves a cache miss.

When an offset is not found in the object, this is treated as a cache miss. This method allows classes using this implementation to look up the actual value and allow it to be cached.

Parameters

string $key: The offset that was requested.

Return value

mixed The value of the offset, or NULL if no value was found.

Overrides CacheCollector::resolveCacheMiss

File

core/lib/Drupal/Core/Path/AliasWhitelist.php, line 103

Class

AliasWhitelist

Extends CacheCollector to build the path alias whitelist over time.

Namespace

Drupal\Core\Path

Code

public function resolveCacheMiss($root) {
  $exists = $this->aliasStorage->pathHasMatchingAlias('/' . $root);
  $this->storage[$root] = $exists;
  $this->persist($root);
  if ($exists) {
    return TRUE;
  }
}