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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Net_FTP observer.
*
* This class implements the Observer part of a Subject-Observer
* design pattern. It listens to the events sent by a Net_FTP instance.
* This module had many influences from the Log_observer code.
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category Networking
* @package FTP
* @author Tobias Schlitt <toby@php.net>
* @author Laurent Laville <pear@laurent-laville.org>
* @author Chuck Hagenbuch <chuck@horde.org>
* @copyright 1997-2008 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id: Observer.php,v 1.4.2.1 2008/01/07 14:21:22 jschippers Exp $
* @link http://pear.php.net/package/Net_FTP
* @since File available since Release 0.0.1
*/
/**
* This class implements the Observer part of a Subject-Observer
* design pattern. It listens to the events sent by a Net_FTP instance.
* This module had many influences from the Log_observer code.
*
* @category Networking
* @package FTP
* @author Laurent Laville <pear@laurent-laville.org>
* @author Chuck Hagenbuch <chuck@horde.org>
* @author Tobias Schlitt <toby@php.net>
* @copyright 1997-2008 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: 1.3.7
* @link http://pear.php.net/package/Net_FTP
* @since 1.3.0.0
* @access public
*
* @example observer_upload.php An example of Net_FTP_Observer implementation.
*/
class Net_FTP_Observer
{
/**
* Instance-specific unique identification number.
*
* @var integer
* @since 1.3.0
* @access private
*/
var $_id;
/**
* Creates a new basic Net_FTP_Observer instance.
*
* @since 1.3.0
* @access public
*/
function Net_FTP_Observer()
{
$this->_id = md5(microtime());
}
/**
* Returns the listener's identifier
*
* @return string The listener's identifier
* @since 1.3.0
* @access public
*/
function getId()
{
return $this->_id;
}
/**
* This is a stub method to make sure that Net_FTP_Observer classes do
* something when they are notified of a message. The default behavior
* is to just do nothing.
* You should override this method.
*
* @param mixed $event A hash describing the net event.
*
* @since 1.3.0
* @access public
* @return void
*/
function notify($event)
{
return;
}
}
?>
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