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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\EventDispatcher;
/**
* Event is the base class for classes containing event data.
*
* This class contains no event data. It is used by events that do not pass
* state information to an event handler when an event is raised.
*
* You can call the method stopPropagation() to abort the execution of
* further listeners in your event listener.
*
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class Event
{
/**
* @var bool Whether no further event listeners should be triggered
*/
private $propagationStopped = false;
/**
* Returns whether further event listeners should be triggered.
*
* @see Event::stopPropagation()
*
* @return bool Whether propagation was already stopped for this event
*/
public function isPropagationStopped()
{
return $this->propagationStopped;
}
/**
* Stops the propagation of the event to further event listeners.
*
* If multiple event listeners are connected to the same event, no
* further event listener will be triggered once any trigger calls
* stopPropagation().
*/
public function stopPropagation()
{
$this->propagationStopped = true;
}
}