includes/search/SqlSearchResultSet.php

   1 <?php
   2 /**
   3  * This class is used for different SQL-based search engines shipped with MediaWiki
   4  * @ingroup Search
   5  */
   6 class SqlSearchResultSet extends SearchResultSet {
   7         protected $resultSet;
   8         protected $terms;
   9         protected $totalHits;
  10
  11         function __construct( ResultWrapper $resultSet, $terms, $total = null ) {
  12                 $this->resultSet = $resultSet;
  13                 $this->terms = $terms;
  14                 $this->totalHits = $total;
  15         }
  16
  17         function termMatches() {
  18                 return $this->terms;
  19         }
  20
  21         function numRows() {
  22                 if ( $this->resultSet === false ) {
  23                         return false;
  24                 }
  25
  26                 return $this->resultSet->numRows();
  27         }
  28
  29         function next() {
  30                 if ( $this->resultSet === false ) {
  31                         return false;
  32                 }
  33
  34                 $row = $this->resultSet->fetchObject();
  35                 if ( $row === false ) {
  36                         return false;
  37                 }
  38
  39                 return SearchResult::newFromTitle(
  40                         Title::makeTitle( $row->page_namespace, $row->page_title )
  41                 );
  42         }
  43
  44         function rewind() {
  45                 if ( $this->resultSet ) {
  46                         $this->resultSet->rewind();
  47                 }
  48         }
  49
  50         function free() {
  51                 if ( $this->resultSet === false ) {
  52                         return false;
  53                 }
  54
  55                 $this->resultSet->free();
  56         }
  57
  58         function getTotalHits() {
  59                 if ( !is_null( $this->totalHits ) ) {
  60                         return $this->totalHits;
  61                 } else {
  62                         // Special:Search expects a number here.
  63                         return $this->numRows();
  64                 }
  65         }
  66 }