Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / lib / Drupal / Core / Cache / CacheableDependencyTrait.php

diff --git a/web/core/lib/Drupal/Core/Cache/CacheableDependencyTrait.php b/web/core/lib/Drupal/Core/Cache/CacheableDependencyTrait.php
new file mode 100644 (file)
index 0000000..19cb0f2
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Cache/CacheableDependencyTrait.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace Drupal\Core\Cache;
+
+/**
+ * Trait for \Drupal\Core\Cache\CacheableDependencyInterface.
+ */
+trait CacheableDependencyTrait {
+
+  /**
+   * Cache contexts.
+   *
+   * @var string[]
+   */
+  protected $cacheContexts = [];
+
+  /**
+   * Cache tags.
+   *
+   * @var string[]
+   */
+  protected $cacheTags = [];
+
+  /**
+   * Cache max-age.
+   *
+   * @var int
+   */
+  protected $cacheMaxAge = Cache::PERMANENT;
+
+  /**
+   * Sets cacheability; useful for value object constructors.
+   *
+   * @param \Drupal\Core\Cache\CacheableDependencyInterface $cacheability
+   *   The cacheability to set.
+   *
+   * @return $this
+   */
+  protected function setCacheability(CacheableDependencyInterface $cacheability) {
+    $this->cacheContexts = $cacheability->getCacheContexts();
+    $this->cacheTags = $cacheability->getCacheTags();
+    $this->cacheMaxAge = $cacheability->getCacheMaxAge();
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheTags() {
+    return $this->cacheTags;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheContexts() {
+    return $this->cacheContexts;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    return $this->cacheMaxAge;
+  }
+
+}