1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

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

     8  * with this package in the file LICENSE.txt.

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

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

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

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

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

    14  *

    15  * @category   Zend

    16  * @package    Zend_Search_Lucene

    17  * @subpackage Index

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

    20  * @version    $Id: TermsPriorityQueue.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /** Zend_Search_Lucene_PriorityQueue */

    24 require_once 'Zend/Search/Lucene/PriorityQueue.php';

    25 

    26 /**

    27  * @category   Zend

    28  * @package    Zend_Search_Lucene

    29  * @subpackage Index

    30  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

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

    32  */

    33 class Zend_Search_Lucene_Index_TermsPriorityQueue extends Zend_Search_Lucene_PriorityQueue

    34 {

    35     /**

    36      * Compare elements

    37      *

    38      * Returns true, if $termsStream1 is "less" than $termsStream2; else otherwise

    39      *

    40      * @param mixed $termsStream1

    41      * @param mixed $termsStream2

    42      * @return boolean

    43      */

    44     protected function _less($termsStream1, $termsStream2)

    45     {

    46         return strcmp($termsStream1->currentTerm()->key(), $termsStream2->currentTerm()->key()) < 0;

    47     }

    48 

    49 }