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<?php
 /*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * 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 <[email protected]>
 * @author Jonathan Wage <[email protected]>
 * @author Roman Borschel <[email protected]>
 * @author Bernhard Schussek <[email protected]>
 */
 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;
 }
 }
 
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