<?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_Ldap
* @subpackage Filter
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Not.php 24594 2012-01-05 21:27:01Z matthew $
*/
/**
* @see Zend_Ldap_Filter_Abstract
*/
require_once 'Zend/Ldap/Filter/Abstract.php';
/**
* Zend_Ldap_Filter_Not provides a negation filter.
*
* @category Zend
* @package Zend_Ldap
* @subpackage Filter
* @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_Ldap_Filter_Not extends Zend_Ldap_Filter_Abstract
{
/**
* The underlying filter.
*
* @var Zend_Ldap_Filter_Abstract
*/
private $_filter;
/**
* Creates a Zend_Ldap_Filter_Not.
*
* @param Zend_Ldap_Filter_Abstract $filter
*/
public function __construct(Zend_Ldap_Filter_Abstract $filter)
{
$this->_filter = $filter;
}
/**
* Negates the filter.
*
* @return Zend_Ldap_Filter_Abstract
*/
public function negate()
{
return $this->_filter;
}
/**
* Returns a string representation of the filter.
*
* @return string
*/
public function toString()
{
return '(!' . $this->_filter->toString() . ')';
}
}