wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Lib\Changes;

/**
 * Interface for objects representing changes.
 *
 * @license GPL-2.0-or-later
 * @author Jeroen De Dauw < jeroendedauw@gmail.com >
 */
interface Change {

    /**
     * @return int Seconds
     */
    public function getAge();

    /**
     * Returns the type of change.
     *
     * @return string
     */
    public function getType();

    /**
     * Returns the time on which the change was made as a timestamp in TS_MW format.
     *
     * @return string TS_MW
     */
    public function getTime();

    /**
     * Original (repository) user id, or 0 for logged out users.
     *
     * @return int
     */
    public function getUserId();

    /**
     * @return int|null Number to be used as an identifier when persisting the change.
     */
    public function getId();

    /**
     * Returns the id of the affected object (ie item or property).
     *
     * @return string
     */
    public function getObjectId();

}