Provides a base class for key/value storage implementations.
Expanded class hierarchy of StorageBase
abstract class StorageBase implements KeyValueStoreInterface {
/**
* The name of the collection holding key and value pairs.
*
* @var string
*/
protected $collection;
/**
* Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::__construct().
*/
public function __construct($collection) {
$this->collection = $collection;
}
/**
* Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::getCollectionName().
*/
public function getCollectionName() {
return $this->collection;
}
/**
* Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::get().
*/
public function get($key) {
$values = $this
->getMultiple(array(
$key,
));
return isset($values[$key]) ? $values[$key] : NULL;
}
/**
* Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::setMultiple().
*/
public function setMultiple(array $data) {
foreach ($data as $key => $value) {
$this
->set($key, $value);
}
}
/**
* Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::delete().
*/
public function delete($key) {
$this
->deleteMultiple(array(
$key,
));
}
}