www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/memcache/src/MemcacheBackendFactory.php

   1 <?php
   2
   3 namespace Drupal\memcache;
   4
   5 use Drupal\Core\Cache\CacheFactoryInterface;
   6 use Drupal\Core\Cache\CacheTagsChecksumInterface;
   7 use Drupal\memcache\Driver\MemcacheDriverFactory;
   8 use Drupal\memcache\Invalidator\TimestampInvalidatorInterface;
   9
  10 /**
  11  * Class MemcacheBackendFactory.
  12  */
  13 class MemcacheBackendFactory implements CacheFactoryInterface {
  14
  15   /**
  16    * The memcache factory object.
  17    *
  18    * @var \Drupal\memcache\Driver\MemcacheDriverFactory
  19    */
  20   protected $memcacheFactory;
  21
  22   /**
  23    * The cache tags checksum provider.
  24    *
  25    * @var \Drupal\Core\Cache\CacheTagsChecksumInterface
  26    */
  27   protected $checksumProvider;
  28
  29   /**
  30    * The timestamp invalidation provider.
  31    *
  32    * @var \Drupal\memcache\Invalidator\TimestampInvalidatorInterface
  33    */
  34   protected $timestampInvalidator;
  35
  36   /**
  37    * Constructs the MemcacheBackendFactory object.
  38    *
  39    * @param \Drupal\memcache\Driver\MemcacheDriverFactory $memcache_factory
  40    *   The memcache factory object.
  41    * @param \Drupal\Core\Cache\CacheTagsChecksumInterface $checksum_provider
  42    *   The cache tags checksum provider.
  43    * @param \Drupal\memcache\Invalidator\TimestampInvalidatorInterface $timestamp_invalidator
  44    *   The timestamp invalidation provider.
  45    */
  46   public function __construct(MemcacheDriverFactory $memcache_factory, CacheTagsChecksumInterface $checksum_provider, TimestampInvalidatorInterface $timestamp_invalidator) {
  47     $this->memcacheFactory = $memcache_factory;
  48     $this->checksumProvider = $checksum_provider;
  49     $this->timestampInvalidator = $timestamp_invalidator;
  50   }
  51
  52   /**
  53    * Gets MemcacheBackend for the specified cache bin.
  54    *
  55    * @param string $bin
  56    *   The cache bin for which the object is created.
  57    *
  58    * @return \Drupal\memcache\MemcacheBackend
  59    *   The cache backend object for the specified cache bin.
  60    */
  61   public function get($bin) {
  62     return new MemcacheBackend(
  63       $bin,
  64       $this->memcacheFactory->get($bin),
  65       $this->checksumProvider,
  66       $this->timestampInvalidator
  67     );
  68   }
  69
  70 }