annotate core/tests/Drupal/Tests/Component/FileCache/StaticFileCacheBackend.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\Tests\Component\FileCache;
Chris@0 4
Chris@0 5 use Drupal\Component\FileCache\FileCacheBackendInterface;
Chris@0 6
Chris@0 7 /**
Chris@0 8 * Allows to cache data based on file modification dates in a static cache.
Chris@0 9 */
Chris@0 10 class StaticFileCacheBackend implements FileCacheBackendInterface {
Chris@0 11
Chris@0 12 /**
Chris@0 13 * Internal static cache.
Chris@0 14 *
Chris@0 15 * @var array
Chris@0 16 */
Chris@0 17 protected static $cache = [];
Chris@0 18
Chris@0 19 /**
Chris@0 20 * Bin used for storing the data in the static cache.
Chris@0 21 *
Chris@0 22 * @var string
Chris@0 23 */
Chris@0 24 protected $bin;
Chris@0 25
Chris@0 26 /**
Chris@0 27 * Constructs a PHP Storage FileCache backend.
Chris@0 28 *
Chris@0 29 * @param array $configuration
Chris@0 30 * (optional) Configuration used to configure this object.
Chris@0 31 */
Chris@0 32 public function __construct($configuration) {
Chris@0 33 $this->bin = isset($configuration['bin']) ? $configuration['bin'] : 'file_cache';
Chris@0 34 }
Chris@0 35
Chris@0 36 /**
Chris@0 37 * {@inheritdoc}
Chris@0 38 */
Chris@0 39 public function fetch(array $cids) {
Chris@0 40 $result = [];
Chris@0 41 foreach ($cids as $cid) {
Chris@0 42 if (isset(static::$cache[$this->bin][$cid])) {
Chris@0 43 $result[$cid] = static::$cache[$this->bin][$cid];
Chris@0 44 }
Chris@0 45 }
Chris@0 46
Chris@0 47 return $result;
Chris@0 48 }
Chris@0 49
Chris@0 50 /**
Chris@0 51 * {@inheritdoc}
Chris@0 52 */
Chris@0 53 public function store($cid, $data) {
Chris@0 54 static::$cache[$this->bin][$cid] = $data;
Chris@0 55 }
Chris@0 56
Chris@0 57 /**
Chris@0 58 * {@inheritdoc}
Chris@0 59 */
Chris@0 60 public function delete($cid) {
Chris@0 61 unset(static::$cache[$this->bin][$cid]);
Chris@0 62 }
Chris@0 63
Chris@0 64 /**
Chris@0 65 * Allows tests to reset the static cache to avoid side effects.
Chris@0 66 */
Chris@0 67 public static function reset() {
Chris@0 68 static::$cache = [];
Chris@0 69 }
Chris@0 70
Chris@0 71 }