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<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\Config\NullStorage. | |
*/ | |
namespace Drupal\Core\Config; | |
/** | |
* Defines a stub storage. | |
* | |
* This storage is always empty; the controller reads and writes nothing. | |
* | |
* The stub implementation is needed for synchronizing configuration during | |
* installation of a module, in which case all configuration being shipped with | |
* the module is known to be new. Therefore, the module installation process is | |
* able to short-circuit the full diff against the active configuration; the | |
* diff would yield all currently available configuration as items to remove, | |
* since they do not exist in the module's default configuration directory. | |
* | |
* This also can be used for testing purposes. | |
*/ | |
class NullStorage implements StorageInterface { | |
/** | |
* {@inheritdoc} | |
*/ | |
public function exists($name) { | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function read($name) { | |
return array(); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function readMultiple(array $names) { | |
return array(); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function write($name, array $data) { | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function delete($name) { | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function rename($name, $new_name) { | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function encode($data) { | |
return $data; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function decode($raw) { | |
return $raw; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function listAll($prefix = '') { | |
return array(); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function deleteAll($prefix = '') { | |
return FALSE; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function createCollection($collection) { | |
// No op. | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function getAllCollectionNames() { | |
return array(); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function getCollectionName() { | |
return ''; | |
} | |
} |