<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_EventManager

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

require_once 'Zend/EventManager/EventManager.php';

require_once 'Zend/EventManager/SharedEventManager.php';

require_once 'Zend/Stdlib/CallbackHandler.php';

/**

 * Static version of EventManager

 *

 * @category   Zend

 * @package    Zend_EventManager

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_EventManager_StaticEventManager extends Zend_EventManager_SharedEventManager

{

    /**

     * @var Zend_EventManager_StaticEventManager

     */

    protected static $instance;

    /**

     * Singleton

     * 

     * @return void

     */

    protected function __construct()

    {

    }

    /**

     * Singleton

     *

     * @return void

     */

    private function __clone()

    {

    }

    /**

     * Retrieve instance

     * 

     * @return Zend_EventManager_StaticEventManager

     */

    public static function getInstance()

    {

        if (null === self::$instance) {

            self::$instance = new self();

        }

        return self::$instance;

    }

    /**

     * Reset the singleton instance

     * 

     * @return void

     */

    public static function resetInstance()

    {

        self::$instance = null;

    }

}