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view core/lib/Drupal/Core/Cache/CacheableResponseTrait.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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<?php namespace Drupal\Core\Cache; /** * Provides an implementation of CacheableResponseInterface. * * @see \Drupal\Core\Cache\CacheableResponseInterface */ trait CacheableResponseTrait { /** * The cacheability metadata. * * @var \Drupal\Core\Cache\CacheableMetadata */ protected $cacheabilityMetadata; /** * {@inheritdoc} */ public function addCacheableDependency($dependency) { // A trait doesn't have a constructor, so initialize the cacheability // metadata if that hasn't happened yet. if (!isset($this->cacheabilityMetadata)) { $this->cacheabilityMetadata = new CacheableMetadata(); } $this->cacheabilityMetadata = $this->cacheabilityMetadata->merge(CacheableMetadata::createFromObject($dependency)); return $this; } /** * {@inheritdoc} */ public function getCacheableMetadata() { // A trait doesn't have a constructor, so initialize the cacheability // metadata if that hasn't happened yet. if (!isset($this->cacheabilityMetadata)) { $this->cacheabilityMetadata = new CacheableMetadata(); } return $this->cacheabilityMetadata; } }