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<?php
declare(strict_types=1);
/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OCP\EventDispatcher;
/**
* Event dispatcher service of Nextcloud
*
* @since 17.0.0
*/
interface IEventDispatcher {
/**
* @param string $eventName preferably the fully-qualified class name of the Event sub class
* @param callable $listener the object that is invoked when a matching event is dispatched
* @param int $priority
*
* @since 17.0.0
*/
public function addListener(string $eventName, callable $listener, int $priority = 0): void;
/**
* @param string $eventName preferably the fully-qualified class name of the Event sub class to listen for
* @param string $className fully qualified class name (or ::class notation) of a \OCP\EventDispatcher\IEventListener that can be built by the DI container
* @param int $priority
*
* @since 17.0.0
*/
public function addServiceListener(string $eventName, string $className, int $priority = 0): void;
/**
* @param string $eventName
* @param Event $event
*
* @since 17.0.0
*/
public function dispatch(string $eventName, Event $event): void;
/**
* Dispatch a typed event
*
* Only use this with subclasses of ``\OCP\EventDispatcher\Event``.
* The object's class will determine the event name.
*
* @param Event $event
*
* @since 18.0.0
*/
public function dispatchTyped(Event $event): void;
}
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