| Server IP : 134.29.175.74 / Your IP : 216.73.216.160 Web Server : nginx/1.10.2 System : Windows NT CST-WEBSERVER 10.0 build 19045 (Windows 10) i586 User : Administrator ( 0) PHP Version : 7.1.0 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : C:/nginx/html/Student/JimMartinson/Lab12/drupal/core/lib/Drupal/Core/Cache/ |
Upload File : |
<?php
namespace Drupal\Core\Cache;
/**
* Defines the cache backend factory.
*/
use Drupal\Core\Site\Settings;
use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\DependencyInjection\ContainerAwareTrait;
class CacheFactory implements CacheFactoryInterface, ContainerAwareInterface {
use ContainerAwareTrait;
/**
* The settings array.
*
* @var \Drupal\Core\Site\Settings
*/
protected $settings;
/**
* A map of cache bin to default cache backend service name.
*
* All mappings in $settings takes precedence over this, but this can be used
* to optimize cache storage for a Drupal installation without cache
* customizations in settings.php. For example, this can be used to map the
* 'bootstrap' bin to 'cache.backend.chainedfast', while allowing other bins
* to fall back to the global default of 'cache.backend.database'.
*
* @var array
*/
protected $defaultBinBackends;
/**
* Constructs CacheFactory object.
*
* @param \Drupal\Core\Site\Settings $settings
* The settings array.
* @param array $default_bin_backends
* (optional) A mapping of bin to backend service name. Mappings in
* $settings take precedence over this.
*/
public function __construct(Settings $settings, array $default_bin_backends = []) {
$this->settings = $settings;
$this->defaultBinBackends = $default_bin_backends;
}
/**
* Instantiates a cache backend class for a given cache bin.
*
* By default, this returns an instance of the
* Drupal\Core\Cache\DatabaseBackend class.
*
* Classes implementing Drupal\Core\Cache\CacheBackendInterface can register
* themselves both as a default implementation and for specific bins.
*
* @param string $bin
* The cache bin for which a cache backend object should be returned.
*
* @return \Drupal\Core\Cache\CacheBackendInterface
* The cache backend object associated with the specified bin.
*/
public function get($bin) {
$cache_settings = $this->settings->get('cache');
// First, look for a cache bin specific setting.
if (isset($cache_settings['bins'][$bin])) {
$service_name = $cache_settings['bins'][$bin];
}
// Second, use the default backend specified by the cache bin.
elseif (isset($this->defaultBinBackends[$bin])) {
$service_name = $this->defaultBinBackends[$bin];
}
// Third, use configured default backend.
elseif (isset($cache_settings['default'])) {
$service_name = $cache_settings['default'];
}
else {
// Fall back to the database backend if nothing else is configured.
$service_name = 'cache.backend.database';
}
return $this->container->get($service_name)->get($bin);
}
}