Chris@14: <?php
Chris@14: 
Chris@14: namespace Drupal\Core\Cache;
Chris@14: 
Chris@14: /**
Chris@14:  * Trait for \Drupal\Core\Cache\CacheableDependencyInterface.
Chris@14:  */
Chris@14: trait CacheableDependencyTrait {
Chris@14: 
Chris@14:   /**
Chris@14:    * Cache contexts.
Chris@14:    *
Chris@14:    * @var string[]
Chris@14:    */
Chris@14:   protected $cacheContexts = [];
Chris@14: 
Chris@14:   /**
Chris@14:    * Cache tags.
Chris@14:    *
Chris@14:    * @var string[]
Chris@14:    */
Chris@14:   protected $cacheTags = [];
Chris@14: 
Chris@14:   /**
Chris@14:    * Cache max-age.
Chris@14:    *
Chris@14:    * @var int
Chris@14:    */
Chris@14:   protected $cacheMaxAge = Cache::PERMANENT;
Chris@14: 
Chris@14:   /**
Chris@14:    * Sets cacheability; useful for value object constructors.
Chris@14:    *
Chris@14:    * @param \Drupal\Core\Cache\CacheableDependencyInterface $cacheability
Chris@14:    *   The cacheability to set.
Chris@14:    *
Chris@14:    * @return $this
Chris@14:    */
Chris@14:   protected function setCacheability(CacheableDependencyInterface $cacheability) {
Chris@14:     $this->cacheContexts = $cacheability->getCacheContexts();
Chris@14:     $this->cacheTags = $cacheability->getCacheTags();
Chris@14:     $this->cacheMaxAge = $cacheability->getCacheMaxAge();
Chris@14:     return $this;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public function getCacheTags() {
Chris@14:     return $this->cacheTags;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public function getCacheContexts() {
Chris@14:     return $this->cacheContexts;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public function getCacheMaxAge() {
Chris@14:     return $this->cacheMaxAge;
Chris@14:   }
Chris@14: 
Chris@14: }