crm.fsf.org/20131203/files/sites/all/modules-new/civicrm/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventSubscriberInterface.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\EventDispatcher;
  13
  14 /**
  15  * An EventSubscriber knows himself what events he is interested in.
  16  * If an EventSubscriber is added to an EventDispatcherInterface, the manager invokes
  17  * {@link getSubscribedEvents} and registers the subscriber as a listener for all
  18  * returned events.
  19  *
  20  * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  21  * @author Jonathan Wage <jonwage@gmail.com>
  22  * @author Roman Borschel <roman@code-factory.org>
  23  * @author Bernhard Schussek <bschussek@gmail.com>
  24  */
  25 interface EventSubscriberInterface
  26 {
  27     /**
  28      * Returns an array of event names this subscriber wants to listen to.
  29      *
  30      * The array keys are event names and the value can be:
  31      *
  32      *  * The method name to call (priority defaults to 0)
  33      *  * An array composed of the method name to call and the priority
  34      *  * An array of arrays composed of the method names to call and respective
  35      *    priorities, or 0 if unset
  36      *
  37      * For instance:
  38      *
  39      *  * array('eventName' => 'methodName')
  40      *  * array('eventName' => array('methodName', $priority))
  41      *  * array('eventName' => array(array('methodName1', $priority), array('methodName2')))
  42      *
  43      * @return array The event names to listen to
  44      */
  45     public static function getSubscribedEvents();
  46 }