class CacheCollectorHelper in Drupal 8

Helper class to test the cache collector.

Hierarchy

• class \Drupal\Core\Cache\CacheCollector implements CacheCollectorInterface, DestructableInterface
  • class \Drupal\Tests\Core\Cache\CacheCollectorHelper

1 file declares its use of CacheCollectorHelper

CacheCollectorTest.php in core/tests/Drupal/KernelTests/Core/Cache/CacheCollectorTest.php

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorHelper.php, line 10

Namespace

Drupal\Tests\Core\Cache

class CacheCollectorHelper extends CacheCollector {

  /**
   * Contains data to return on a cache miss.
   * @var array
   */
  protected $cacheMissData = [];

  /**
   * Number of calls to \Drupal\Core\Cache\CacheCollector::resolveCacheMiss().
   *
   * @var int
   */
  protected $cacheMisses = 0;

  /**
   * {@inheritdoc}
   */
  public function set($key, $value) {
    parent::set($key, $value);
    $this
      ->persist($key);
  }

  /**
   * {@inheritdoc}
   */
  public function resolveCacheMiss($key) {
    $this->cacheMisses++;
    if (isset($this->cacheMissData[$key])) {
      $this->storage[$key] = $this->cacheMissData[$key];
      $this
        ->persist($key);
      return $this->cacheMissData[$key];
    }
  }

  /**
   * Sets data to return from a cache miss resolve.
   *
   * @param string $key
   *   The key being looked for.
   * @param mixed $value
   *   The value to return.
   */
  public function setCacheMissData($key, $value) {
    $this->cacheMissData[$key] = $value;
  }

  /**
   * Returns the number of cache misses.
   *
   * @return int
   *   Number of calls to the resolve cache miss method.
   */
  public function getCacheMisses() {
    return $this->cacheMisses;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CacheCollector::$cache	protected	property	The cache backend that should be used.	1
CacheCollector::$cacheCreated	protected	property	Stores the cache creation time.
CacheCollector::$cacheInvalidated	protected	property	Flag that indicates of the cache has been invalidated.
CacheCollector::$cacheLoaded	protected	property	Indicates if the collected cache was already loaded.
CacheCollector::$cid	protected	property	The cache id that is used for the cache entry.
CacheCollector::$keysToPersist	protected	property	An array of keys to add to the cache on service termination.
CacheCollector::$keysToRemove	protected	property	An array of keys to remove from the cache on service termination.
CacheCollector::$lock	protected	property	The lock backend that should be used.	1
CacheCollector::$storage	protected	property	Storage for the data itself.
CacheCollector::$tags	protected	property	A list of tags that are used for the cache entry.
CacheCollector::clear	public	function	Clears the collected cache entry. Overrides CacheCollectorInterface::clear	1
CacheCollector::delete	public	function	Deletes the element. Overrides CacheCollectorInterface::delete
CacheCollector::destruct	public	function	Performs destruct operations. Overrides DestructableInterface::destruct
CacheCollector::get	public	function	Gets value from the cache. Overrides CacheCollectorInterface::get	2
CacheCollector::getCid	protected	function	Gets the cache ID.	3
CacheCollector::has	public	function	Returns whether data exists for this key. Overrides CacheCollectorInterface::has	1
CacheCollector::invalidateCache	protected	function	Invalidate the cache.
CacheCollector::lazyLoadCache	protected	function	Loads the cache if not already done.	1
CacheCollector::normalizeLockName	protected	function	Normalizes a cache ID in order to comply with database limitations.
CacheCollector::persist	protected	function	Flags an offset value to be written to the persistent cache.
CacheCollector::reset	public	function	Resets the local cache. Overrides CacheCollectorInterface::reset	1
CacheCollector::updateCache	protected	function	Writes a value to the persistent cache immediately.	1
CacheCollector::__construct	public	function	Constructs a CacheCollector object.	6
CacheCollectorHelper::$cacheMissData	protected	property	Contains data to return on a cache miss.
CacheCollectorHelper::$cacheMisses	protected	property	Number of calls to \Drupal\Core\Cache\CacheCollector::resolveCacheMiss().
CacheCollectorHelper::getCacheMisses	public	function	Returns the number of cache misses.
CacheCollectorHelper::resolveCacheMiss	public	function	Resolves a cache miss. Overrides CacheCollector::resolveCacheMiss
CacheCollectorHelper::set	public	function	Implements \Drupal\Core\Cache\CacheCollectorInterface::set(). Overrides CacheCollector::set
CacheCollectorHelper::setCacheMissData	public	function	Sets data to return from a cache miss resolve.