class ContextCacheKeys
A value object to store generated cache keys with its cacheability metadata.
Hierarchy
- class \Drupal\Core\Cache\CacheableMetadata implements \Drupal\Core\Cache\RefinableCacheableDependencyInterface uses \Drupal\Core\Cache\RefinableCacheableDependencyTrait- class \Drupal\Core\Cache\Context\ContextCacheKeys extends \Drupal\Core\Cache\CacheableMetadata
 
Expanded class hierarchy of ContextCacheKeys
2 files declare their use of ContextCacheKeys
- RendererTestBase.php in core/tests/ Drupal/ Tests/ Core/ Render/ RendererTestBase.php 
- VariationCacheTest.php in core/tests/ Drupal/ Tests/ Core/ Cache/ VariationCacheTest.php 
File
- 
              core/lib/ Drupal/ Core/ Cache/ Context/ ContextCacheKeys.php, line 10 
Namespace
Drupal\Core\Cache\ContextView source
class ContextCacheKeys extends CacheableMetadata {
  
  /**
   * The generated cache keys.
   *
   * @var string[]
   */
  protected $keys;
  
  /**
   * Constructs a ContextCacheKeys object.
   *
   * @param string[] $keys
   *   The cache context keys.
   */
  public function __construct(array $keys) {
    // Domain invariant: cache keys must be always sorted.
    // Sorting keys warrants that different combination of the same keys
    // generates the same cache cid.
    // @see \Drupal\Core\Render\RenderCache::createCacheID()
    sort($keys);
    $this->keys = $keys;
  }
  
  /**
   * Gets the generated cache keys.
   *
   * @return string[]
   *   The cache keys.
   */
  public function getKeys() {
    return $this->keys;
  }
}Members
| Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides | 
|---|---|---|---|---|---|
| CacheableDependencyTrait::$cacheContexts | protected | property | Cache contexts. | ||
| CacheableDependencyTrait::$cacheMaxAge | protected | property | Cache max-age. | ||
| CacheableDependencyTrait::$cacheTags | protected | property | Cache tags. | ||
| CacheableDependencyTrait::setCacheability | protected | function | Sets cacheability; useful for value object constructors. | ||
| CacheableMetadata::applyTo | public | function | Applies the values of this CacheableMetadata object to a render array. | 1 | |
| CacheableMetadata::createFromObject | public static | function | Creates a CacheableMetadata object from a depended object. | 1 | |
| CacheableMetadata::createFromRenderArray | public static | function | Creates a CacheableMetadata object with values taken from a render array. | 1 | |
| CacheableMetadata::getCacheContexts | public | function | The cache contexts associated with this object. | Overrides CacheableDependencyTrait::getCacheContexts | |
| CacheableMetadata::getCacheMaxAge | public | function | The maximum age for which this object may be cached. | Overrides CacheableDependencyTrait::getCacheMaxAge | |
| CacheableMetadata::getCacheTags | public | function | The cache tags associated with this object. | Overrides CacheableDependencyTrait::getCacheTags | |
| CacheableMetadata::merge | public | function | Merges the values of another CacheableMetadata object with this one. | 1 | |
| CacheableMetadata::setCacheContexts | public | function | Sets cache contexts. | ||
| CacheableMetadata::setCacheMaxAge | public | function | Sets the maximum age (in seconds). | ||
| CacheableMetadata::setCacheTags | public | function | Sets cache tags. | ||
| ContextCacheKeys::$keys | protected | property | The generated cache keys. | ||
| ContextCacheKeys::getKeys | public | function | Gets the generated cache keys. | ||
| ContextCacheKeys::__construct | public | function | Constructs a ContextCacheKeys object. | ||
| RefinableCacheableDependencyTrait::addCacheableDependency | public | function | 1 | ||
| RefinableCacheableDependencyTrait::addCacheContexts | public | function | |||
| RefinableCacheableDependencyTrait::addCacheTags | public | function | |||
| RefinableCacheableDependencyTrait::mergeCacheMaxAge | public | function | 
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
