DatabaseBackendFactory.php
Same filename in other branches
Namespace
Drupal\Core\CacheFile
-
core/
lib/ Drupal/ Core/ Cache/ DatabaseBackendFactory.php
View source
<?php
namespace Drupal\Core\Cache;
use Drupal\Component\Datetime\TimeInterface;
use Drupal\Component\Serialization\ObjectAwareSerializationInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Site\Settings;
class DatabaseBackendFactory implements CacheFactoryInterface {
/**
* The database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* The cache tags checksum provider.
*
* @var \Drupal\Core\Cache\CacheTagsChecksumInterface
*/
protected $checksumProvider;
/**
* Constructs the DatabaseBackendFactory object.
*
* @param \Drupal\Core\Database\Connection $connection
* Database connection
* @param \Drupal\Core\Cache\CacheTagsChecksumInterface $checksum_provider
* The cache tags checksum provider.
* @param \Drupal\Core\Site\Settings $settings
* (optional) The site settings.
* @param \Drupal\Component\Serialization\ObjectAwareSerializationInterface|null $serializer
* (optional) The serializer to use.
* @param \Drupal\Component\Datetime\TimeInterface|null $time
* The time service.
*
* @throws \BadMethodCallException
*/
public function __construct(Connection $connection, CacheTagsChecksumInterface $checksum_provider, Settings $settings, ObjectAwareSerializationInterface $serializer, TimeInterface $time) {
$this->connection = $connection;
$this->checksumProvider = $checksum_provider;
}
/**
* Gets DatabaseBackend for the specified cache bin.
*
* @param $bin
* The cache bin for which the object is created.
*
* @return \Drupal\Core\Cache\DatabaseBackend
* The cache backend object for the specified cache bin.
*/
public function get($bin) {
$max_rows = $this->getMaxRowsForBin($bin);
return new DatabaseBackend($this->connection, $this->checksumProvider, $bin, $this->serializer, $this->time, $max_rows);
}
/**
* Gets the max rows for the specified cache bin.
*
* @param string $bin
* The cache bin for which the object is created.
*
* @return int
* The maximum number of rows for the given bin. Defaults to
* DatabaseBackend::DEFAULT_MAX_ROWS.
*/
protected function getMaxRowsForBin($bin) {
$max_rows_settings = $this->settings
->get('database_cache_max_rows');
// First, look for a cache bin specific setting.
if (isset($max_rows_settings['bins'][$bin])) {
$max_rows = $max_rows_settings['bins'][$bin];
}
elseif (isset($max_rows_settings['default'])) {
$max_rows = $max_rows_settings['default'];
}
else {
// Fall back to the default max rows if nothing else is configured.
$max_rows = DatabaseBackend::DEFAULT_MAX_ROWS;
}
return $max_rows;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
DatabaseBackendFactory |
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.