MediaWiki  1.23.2
BacklinkJobUtils.php
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1 <?php
67  public static function partitionBacklinkJob( Job $job, $bSize, $cSize, $opts = array() ) {
68  $class = get_class( $job );
69  $title = $job->getTitle();
70  $params = $job->getParams();
71 
72  if ( isset( $params['pages'] ) || empty( $params['recursive'] ) ) {
73  $ranges = array(); // sanity; this is a leaf node
74  wfWarn( __METHOD__ . " called on {$job->getType()} leaf job (explosive recursion)." );
75  } elseif ( isset( $params['range'] ) ) {
76  // This is a range job to trigger the insertion of partitioned/title jobs...
77  $ranges = $params['range']['subranges'];
78  $realBSize = $params['range']['batchSize'];
79  } else {
80  // This is a base job to trigger the insertion of partitioned jobs...
81  $ranges = $title->getBacklinkCache()->partition( $params['table'], $bSize );
82  $realBSize = $bSize;
83  }
84 
85  $extraParams = isset( $opts['params'] ) ? $opts['params'] : array();
86 
87  $jobs = array();
88  // Combine the first range (of size $bSize) backlinks into leaf jobs
89  if ( isset( $ranges[0] ) ) {
90  list( $start, $end ) = $ranges[0];
91  $titles = $title->getBacklinkCache()->getLinks( $params['table'], $start, $end );
92  foreach ( array_chunk( iterator_to_array( $titles ), $cSize ) as $titleBatch ) {
93  $pages = array();
94  foreach ( $titleBatch as $tl ) {
95  $pages[$tl->getArticleId()] = array( $tl->getNamespace(), $tl->getDBKey() );
96  }
97  $jobs[] = new $class(
98  $title, // maintain parent job title
99  array( 'pages' => $pages ) + $extraParams
100  );
101  }
102  }
103  // Take all of the remaining ranges and build a partition job from it
104  if ( isset( $ranges[1] ) ) {
105  $jobs[] = new $class(
106  $title, // maintain parent job title
107  array(
108  'recursive' => true,
109  'table' => $params['table'],
110  'range' => array(
111  'start' => $ranges[1][0],
112  'end' => $ranges[count( $ranges ) - 1][1],
113  'batchSize' => $realBSize,
114  'subranges' => array_slice( $ranges, 1 )
115  ),
116  ) + $extraParams
117  );
118  }
119 
120  return $jobs;
121  }
122 }
php
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Definition: skin.txt:62
$params
$params
Definition: styleTest.css.php:40
BacklinkJobUtils\partitionBacklinkJob
static partitionBacklinkJob(Job $job, $bSize, $cSize, $opts=array())
Break down $job into approximately ($bSize/$cSize) leaf jobs and a single partition job that covers t...
Definition: BacklinkJobUtils.php:67
Job
Class to both describe a background job and handle jobs.
Definition: Job.php:31
$titles
linkcache txt The LinkCache class maintains a list of article titles and the information about whether or not the article exists in the database This is used to mark up links when displaying a page If the same link appears more than once on any page then it only has to be looked up once In most cases link lookups are done in batches with the LinkBatch class or the equivalent in so the link cache is mostly useful for short snippets of parsed and for links in the navigation areas of the skin The link cache was formerly used to track links used in a document for the purposes of updating the link tables This application is now deprecated To create a you can use the following $titles
Definition: linkcache.txt:17
array
the array() calling protocol came about after MediaWiki 1.4rc1.
List of Api Query prop modules.
list
deferred txt A few of the database updates required by various functions here can be deferred until after the result page is displayed to the user For updating the view updating the linked to tables after a etc PHP does not yet have any way to tell the server to actually return and disconnect while still running these but it might have such a feature in the future We handle these by creating a deferred update object and putting those objects on a global list
Definition: deferred.txt:11
$title
presenting them properly to the user as errors is done by the caller $title
Definition: hooks.txt:1324
BacklinkJobUtils
Class with Backlink related Job helper methods.
Definition: BacklinkJobUtils.php:31
$job
if(count( $args)< 1) $job
Definition: recompressTracked.php:42
as
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
wfWarn
wfWarn( $msg, $callerOffset=1, $level=E_USER_NOTICE)
Send a warning either to the debug log or in a PHP error depending on $wgDevelopmentWarnings.
Definition: GlobalFunctions.php:1141