Current File : /home/lightco1/upgrade.lightco.com.au/libraries/fof30/Event/Observer.php
<?php
/**
* @package FOF
* @copyright 2010-2017 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU GPL version 2 or later
*/
namespace FOF30\Event;
defined('_JEXEC') or die;
class Observer
{
/** @var Observable The object to observe */
protected $subject = null;
protected $events = null;
/**
* Creates the observer and attaches it to the observable subject object
*
* @param Observable $subject The observable object to attach the observer to
*/
function __construct(Observable &$subject)
{
// Attach this observer to the subject
$subject->attach($this);
// Store a reference to the subject object
$this->subject = $subject;
}
/**
* Returns the list of events observable by this observer. Set the $this->events array manually for faster
* processing, or let this method use reflection to return a list of all public methods.
*
* @return array
*/
public function getObservableEvents()
{
if (is_null($this->events))
{
// Assign an empty array to protect us from behaviours without any valid method
$this->events = array();
$reflection = new \ReflectionObject($this);
$methods = $reflection->getMethods(\ReflectionMethod::IS_PUBLIC);
foreach ($methods as $m)
{
if ($m->name == 'getObservableEvents')
{
continue;
}
if ($m->name == '__construct')
{
continue;
}
$this->events[] = $m->name;
}
}
return $this->events;
}
}
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