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<?php
namespace Drupal\Core\Updater;
/**
* Defines an interface for a class which can update a Drupal project.
*
* An Updater currently serves the following purposes:
* - It can take a given directory, and determine if it can operate on it.
* - It can move the contents of that directory into the appropriate place
* on the system using FileTransfer classes.
* - It can return a list of "next steps" after an update or install.
* - In the future, it will most likely perform some of those steps as well.
*/
interface UpdaterInterface {
/**
* Checks if the project is installed.
*
* @return bool
*/
public function isInstalled();
/**
* Returns the system name of the project.
*
* @param string $directory
* A directory containing a project.
*/
public static function getProjectName($directory);
/**
* Returns the path to the default install location for the current project.
*
* @return string
* An absolute path to the default install location.
*/
public function getInstallDirectory();
/**
* Returns the name of the root directory under which projects will be copied.
*
* @return string
* A relative path to the root directory.
*/
public static function getRootDirectoryRelativePath();
/**
* Determines if the Updater can handle the project provided in $directory.
*
* @param string $directory
*
* @return bool
* TRUE if the project is installed, FALSE if not.
*/
public static function canUpdateDirectory($directory);
/**
* Actions to run after an install has occurred.
*/
public function postInstall();
/**
* Actions to run after an update has occurred.
*/
public function postUpdate();
}