3 * Updater for link tracking tables after a page edit.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
24 * See docs/deferred.txt
26 * @todo document (e.g. one-sentence top-level class description).
28 class LinksUpdate
extends SqlDataUpdate
implements EnqueueableDataUpdate
{
29 // @todo make members protected, but make sure extensions don't break
31 /** @var int Page ID of the article linked from */
34 /** @var Title Title object of the article linked from */
37 /** @var ParserOutput */
38 public $mParserOutput;
40 /** @var array Map of title strings to IDs for the links in the document */
43 /** @var array DB keys of the images used, in the array key only */
46 /** @var array Map of title strings to IDs for the template references, including broken ones */
49 /** @var array URLs of external links, array key only */
52 /** @var array Map of category names to sort keys */
55 /** @var array Map of language codes to titles */
58 /** @var array Map of arbitrary name to value */
61 /** @var bool Whether to queue jobs for recursive updates */
64 /** @var bool Whether this job was triggered by a recursive update job */
65 private $mTriggeredRecursive;
67 /** @var Revision Revision for which this update has been triggered */
71 * @var null|array Added links if calculated.
73 private $linkInsertions = null;
76 * @var null|array Deleted links if calculated.
78 private $linkDeletions = null;
88 * @param Title $title Title of the page we're updating
89 * @param ParserOutput $parserOutput Output from a full parse of this page
90 * @param bool $recursive Queue jobs for recursive updates?
93 function __construct( Title
$title, ParserOutput
$parserOutput, $recursive = true ) {
94 parent
::__construct( false ); // no implicit transaction
96 $this->mTitle
= $title;
97 $this->mId
= $title->getArticleID();
100 throw new InvalidArgumentException(
101 "The Title object yields no ID. Perhaps the page doesn't exist?"
105 $this->mParserOutput
= $parserOutput;
107 $this->mLinks
= $parserOutput->getLinks();
108 $this->mImages
= $parserOutput->getImages();
109 $this->mTemplates
= $parserOutput->getTemplates();
110 $this->mExternals
= $parserOutput->getExternalLinks();
111 $this->mCategories
= $parserOutput->getCategories();
112 $this->mProperties
= $parserOutput->getProperties();
113 $this->mInterwikis
= $parserOutput->getInterwikiLinks();
115 # Convert the format of the interlanguage links
116 # I didn't want to change it in the ParserOutput, because that array is passed all
117 # the way back to the skin, so either a skin API break would be required, or an
118 # inefficient back-conversion.
119 $ill = $parserOutput->getLanguageLinks();
120 $this->mInterlangs
= array();
121 foreach ( $ill as $link ) {
122 list( $key, $title ) = explode( ':', $link, 2 );
123 $this->mInterlangs
[$key] = $title;
126 foreach ( $this->mCategories
as &$sortkey ) {
127 # If the sortkey is longer then 255 bytes,
128 # it truncated by DB, and then doesn't get
129 # matched when comparing existing vs current
130 # categories, causing bug 25254.
131 # Also. substr behaves weird when given "".
132 if ( $sortkey !== '' ) {
133 $sortkey = substr( $sortkey, 0, 255 );
137 $this->mRecursive
= $recursive;
139 Hooks
::run( 'LinksUpdateConstructed', array( &$this ) );
143 * Update link tables with outgoing links from an updated article
145 public function doUpdate() {
146 Hooks
::run( 'LinksUpdate', array( &$this ) );
147 $this->doIncrementalUpdate();
148 Hooks
::run( 'LinksUpdateComplete', array( &$this ) );
151 protected function doIncrementalUpdate() {
152 global $wgRCWatchCategoryMembership;
155 $existing = $this->getExistingLinks();
156 $this->linkDeletions
= $this->getLinkDeletions( $existing );
157 $this->linkInsertions
= $this->getLinkInsertions( $existing );
158 $this->incrTableUpdate( 'pagelinks', 'pl', $this->linkDeletions
, $this->linkInsertions
);
161 $existing = $this->getExistingImages();
163 $imageDeletes = $this->getImageDeletions( $existing );
164 $this->incrTableUpdate( 'imagelinks', 'il', $imageDeletes,
165 $this->getImageInsertions( $existing ) );
167 # Invalidate all image description pages which had links added or removed
168 $imageUpdates = $imageDeletes +
array_diff_key( $this->mImages
, $existing );
169 $this->invalidateImageDescriptions( $imageUpdates );
172 $existing = $this->getExistingExternals();
173 $this->incrTableUpdate( 'externallinks', 'el', $this->getExternalDeletions( $existing ),
174 $this->getExternalInsertions( $existing ) );
177 $existing = $this->getExistingInterlangs();
178 $this->incrTableUpdate( 'langlinks', 'll', $this->getInterlangDeletions( $existing ),
179 $this->getInterlangInsertions( $existing ) );
181 # Inline interwiki links
182 $existing = $this->getExistingInterwikis();
183 $this->incrTableUpdate( 'iwlinks', 'iwl', $this->getInterwikiDeletions( $existing ),
184 $this->getInterwikiInsertions( $existing ) );
187 $existing = $this->getExistingTemplates();
188 $this->incrTableUpdate( 'templatelinks', 'tl', $this->getTemplateDeletions( $existing ),
189 $this->getTemplateInsertions( $existing ) );
192 $existing = $this->getExistingCategories();
194 $categoryDeletes = $this->getCategoryDeletions( $existing );
196 $this->incrTableUpdate( 'categorylinks', 'cl', $categoryDeletes,
197 $this->getCategoryInsertions( $existing ) );
199 # Invalidate all categories which were added, deleted or changed (set symmetric difference)
200 $categoryInserts = array_diff_assoc( $this->mCategories
, $existing );
201 $categoryUpdates = $categoryInserts +
$categoryDeletes;
202 $this->invalidateCategories( $categoryUpdates );
203 $this->updateCategoryCounts( $categoryInserts, $categoryDeletes );
205 # Category membership changes
207 $wgRCWatchCategoryMembership &&
208 !$this->mTriggeredRecursive
&& ( $categoryInserts ||
$categoryDeletes )
210 $this->triggerCategoryChanges( $categoryInserts, $categoryDeletes );
214 $existing = $this->getExistingProperties();
216 $propertiesDeletes = $this->getPropertyDeletions( $existing );
218 $this->incrTableUpdate( 'page_props', 'pp', $propertiesDeletes,
219 $this->getPropertyInsertions( $existing ) );
221 # Invalidate the necessary pages
222 $changed = $propertiesDeletes +
array_diff_assoc( $this->mProperties
, $existing );
223 $this->invalidateProperties( $changed );
225 # Update the links table freshness for this title
226 $this->updateLinksTimestamp();
228 # Refresh links of all pages including this page
229 # This will be in a separate transaction
230 if ( $this->mRecursive
) {
231 $this->queueRecursiveJobs();
236 private function triggerCategoryChanges( $categoryInserts, $categoryDeletes ) {
237 $catMembChange = new CategoryMembershipChange( $this->mTitle
, $this->mRevision
);
239 if ( $this->mRecursive
) {
240 $catMembChange->checkTemplateLinks();
243 foreach ( $categoryInserts as $categoryName => $value ) {
244 $categoryTitle = Title
::newFromText( $categoryName, NS_CATEGORY
);
245 $catMembChange->triggerCategoryAddedNotification( $categoryTitle );
248 foreach ( $categoryDeletes as $categoryName => $value ) {
249 $categoryTitle = Title
::newFromText( $categoryName, NS_CATEGORY
);
250 $catMembChange->triggerCategoryRemovedNotification( $categoryTitle );
255 * Queue recursive jobs for this page
257 * Which means do LinksUpdate on all pages that include the current page,
258 * using the job queue.
260 protected function queueRecursiveJobs() {
261 self
::queueRecursiveJobsForTable( $this->mTitle
, 'templatelinks' );
262 if ( $this->mTitle
->getNamespace() == NS_FILE
) {
263 // Process imagelinks in case the title is or was a redirect
264 self
::queueRecursiveJobsForTable( $this->mTitle
, 'imagelinks' );
267 $bc = $this->mTitle
->getBacklinkCache();
268 // Get jobs for cascade-protected backlinks for a high priority queue.
269 // If meta-templates change to using a new template, the new template
270 // should be implicitly protected as soon as possible, if applicable.
271 // These jobs duplicate a subset of the above ones, but can run sooner.
272 // Which ever runs first generally no-ops the other one.
274 foreach ( $bc->getCascadeProtectedLinks() as $title ) {
275 $jobs[] = RefreshLinksJob
::newPrioritized( $title, array() );
277 JobQueueGroup
::singleton()->push( $jobs );
281 * Queue a RefreshLinks job for any table.
283 * @param Title $title Title to do job for
284 * @param string $table Table to use (e.g. 'templatelinks')
286 public static function queueRecursiveJobsForTable( Title
$title, $table ) {
287 if ( $title->getBacklinkCache()->hasLinks( $table ) ) {
288 $job = new RefreshLinksJob(
293 ) + Job
::newRootJobParams( // "overall" refresh links job info
294 "refreshlinks:{$table}:{$title->getPrefixedText()}"
298 JobQueueGroup
::singleton()->push( $job );
305 function invalidateCategories( $cats ) {
306 $this->invalidatePages( NS_CATEGORY
, array_keys( $cats ) );
310 * Update all the appropriate counts in the category table.
311 * @param array $added Associative array of category name => sort key
312 * @param array $deleted Associative array of category name => sort key
314 function updateCategoryCounts( $added, $deleted ) {
315 $a = WikiPage
::factory( $this->mTitle
);
316 $a->updateCategoryCounts(
317 array_keys( $added ), array_keys( $deleted )
322 * @param array $images
324 function invalidateImageDescriptions( $images ) {
325 $this->invalidatePages( NS_FILE
, array_keys( $images ) );
329 * Update a table by doing a delete query then an insert query
330 * @param string $table Table name
331 * @param string $prefix Field name prefix
332 * @param array $deletions
333 * @param array $insertions Rows to insert
335 function incrTableUpdate( $table, $prefix, $deletions, $insertions ) {
336 if ( $table == 'page_props' ) {
337 $fromField = 'pp_page';
339 $fromField = "{$prefix}_from";
341 $where = array( $fromField => $this->mId
);
342 if ( $table == 'pagelinks' ||
$table == 'templatelinks' ||
$table == 'iwlinks' ) {
343 if ( $table == 'iwlinks' ) {
344 $baseKey = 'iwl_prefix';
346 $baseKey = "{$prefix}_namespace";
348 $clause = $this->mDb
->makeWhereFrom2d( $deletions, $baseKey, "{$prefix}_title" );
355 if ( $table == 'langlinks' ) {
356 $toField = 'll_lang';
357 } elseif ( $table == 'page_props' ) {
358 $toField = 'pp_propname';
360 $toField = $prefix . '_to';
362 if ( count( $deletions ) ) {
363 $where[$toField] = array_keys( $deletions );
369 $this->mDb
->delete( $table, $where, __METHOD__
);
371 if ( count( $insertions ) ) {
372 $this->mDb
->insert( $table, $insertions, __METHOD__
, 'IGNORE' );
373 Hooks
::run( 'LinksUpdateAfterInsert', array( $this, $table, $insertions ) );
378 * Get an array of pagelinks insertions for passing to the DB
379 * Skips the titles specified by the 2-D array $existing
380 * @param array $existing
383 private function getLinkInsertions( $existing = array() ) {
385 foreach ( $this->mLinks
as $ns => $dbkeys ) {
386 $diffs = isset( $existing[$ns] )
387 ?
array_diff_key( $dbkeys, $existing[$ns] )
389 foreach ( $diffs as $dbk => $id ) {
391 'pl_from' => $this->mId
,
392 'pl_from_namespace' => $this->mTitle
->getNamespace(),
393 'pl_namespace' => $ns,
403 * Get an array of template insertions. Like getLinkInsertions()
404 * @param array $existing
407 private function getTemplateInsertions( $existing = array() ) {
409 foreach ( $this->mTemplates
as $ns => $dbkeys ) {
410 $diffs = isset( $existing[$ns] ) ?
array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;
411 foreach ( $diffs as $dbk => $id ) {
413 'tl_from' => $this->mId
,
414 'tl_from_namespace' => $this->mTitle
->getNamespace(),
415 'tl_namespace' => $ns,
425 * Get an array of image insertions
426 * Skips the names specified in $existing
427 * @param array $existing
430 private function getImageInsertions( $existing = array() ) {
432 $diffs = array_diff_key( $this->mImages
, $existing );
433 foreach ( $diffs as $iname => $dummy ) {
435 'il_from' => $this->mId
,
436 'il_from_namespace' => $this->mTitle
->getNamespace(),
445 * Get an array of externallinks insertions. Skips the names specified in $existing
446 * @param array $existing
449 private function getExternalInsertions( $existing = array() ) {
451 $diffs = array_diff_key( $this->mExternals
, $existing );
452 foreach ( $diffs as $url => $dummy ) {
453 foreach ( wfMakeUrlIndexes( $url ) as $index ) {
455 'el_id' => $this->mDb
->nextSequenceValue( 'externallinks_el_id_seq' ),
456 'el_from' => $this->mId
,
458 'el_index' => $index,
467 * Get an array of category insertions
469 * @param array $existing Mapping existing category names to sort keys. If both
470 * match a link in $this, the link will be omitted from the output
474 private function getCategoryInsertions( $existing = array() ) {
475 global $wgContLang, $wgCategoryCollation;
476 $diffs = array_diff_assoc( $this->mCategories
, $existing );
478 foreach ( $diffs as $name => $prefix ) {
479 $nt = Title
::makeTitleSafe( NS_CATEGORY
, $name );
480 $wgContLang->findVariantLink( $name, $nt, true );
482 if ( $this->mTitle
->getNamespace() == NS_CATEGORY
) {
484 } elseif ( $this->mTitle
->getNamespace() == NS_FILE
) {
490 # Treat custom sortkeys as a prefix, so that if multiple
491 # things are forced to sort as '*' or something, they'll
492 # sort properly in the category rather than in page_id
494 $sortkey = Collation
::singleton()->getSortKey(
495 $this->mTitle
->getCategorySortkey( $prefix ) );
498 'cl_from' => $this->mId
,
500 'cl_sortkey' => $sortkey,
501 'cl_timestamp' => $this->mDb
->timestamp(),
502 'cl_sortkey_prefix' => $prefix,
503 'cl_collation' => $wgCategoryCollation,
512 * Get an array of interlanguage link insertions
514 * @param array $existing Mapping existing language codes to titles
518 private function getInterlangInsertions( $existing = array() ) {
519 $diffs = array_diff_assoc( $this->mInterlangs
, $existing );
521 foreach ( $diffs as $lang => $title ) {
523 'll_from' => $this->mId
,
533 * Get an array of page property insertions
534 * @param array $existing
537 function getPropertyInsertions( $existing = array() ) {
538 $diffs = array_diff_assoc( $this->mProperties
, $existing );
541 foreach ( array_keys( $diffs ) as $name ) {
542 $arr[] = $this->getPagePropRowData( $name );
549 * Returns an associative array to be used for inserting a row into
550 * the page_props table. Besides the given property name, this will
551 * include the page id from $this->mId and any property value from
552 * $this->mProperties.
554 * The array returned will include the pp_sortkey field if this
555 * is present in the database (as indicated by $wgPagePropsHaveSortkey).
556 * The sortkey value is currently determined by getPropertySortKeyValue().
558 * @note this assumes that $this->mProperties[$prop] is defined.
560 * @param string $prop The name of the property.
564 private function getPagePropRowData( $prop ) {
565 global $wgPagePropsHaveSortkey;
567 $value = $this->mProperties
[$prop];
570 'pp_page' => $this->mId
,
571 'pp_propname' => $prop,
572 'pp_value' => $value,
575 if ( $wgPagePropsHaveSortkey ) {
576 $row['pp_sortkey'] = $this->getPropertySortKeyValue( $value );
583 * Determines the sort key for the given property value.
584 * This will return $value if it is a float or int,
585 * 1 or resp. 0 if it is a bool, and null otherwise.
587 * @note In the future, we may allow the sortkey to be specified explicitly
588 * in ParserOutput::setProperty.
590 * @param mixed $value
594 private function getPropertySortKeyValue( $value ) {
595 if ( is_int( $value ) ||
is_float( $value ) ||
is_bool( $value ) ) {
596 return floatval( $value );
603 * Get an array of interwiki insertions for passing to the DB
604 * Skips the titles specified by the 2-D array $existing
605 * @param array $existing
608 private function getInterwikiInsertions( $existing = array() ) {
610 foreach ( $this->mInterwikis
as $prefix => $dbkeys ) {
611 $diffs = isset( $existing[$prefix] )
612 ?
array_diff_key( $dbkeys, $existing[$prefix] )
615 foreach ( $diffs as $dbk => $id ) {
617 'iwl_from' => $this->mId
,
618 'iwl_prefix' => $prefix,
628 * Given an array of existing links, returns those links which are not in $this
629 * and thus should be deleted.
630 * @param array $existing
633 private function getLinkDeletions( $existing ) {
635 foreach ( $existing as $ns => $dbkeys ) {
636 if ( isset( $this->mLinks
[$ns] ) ) {
637 $del[$ns] = array_diff_key( $existing[$ns], $this->mLinks
[$ns] );
639 $del[$ns] = $existing[$ns];
647 * Given an array of existing templates, returns those templates which are not in $this
648 * and thus should be deleted.
649 * @param array $existing
652 private function getTemplateDeletions( $existing ) {
654 foreach ( $existing as $ns => $dbkeys ) {
655 if ( isset( $this->mTemplates
[$ns] ) ) {
656 $del[$ns] = array_diff_key( $existing[$ns], $this->mTemplates
[$ns] );
658 $del[$ns] = $existing[$ns];
666 * Given an array of existing images, returns those images which are not in $this
667 * and thus should be deleted.
668 * @param array $existing
671 private function getImageDeletions( $existing ) {
672 return array_diff_key( $existing, $this->mImages
);
676 * Given an array of existing external links, returns those links which are not
677 * in $this and thus should be deleted.
678 * @param array $existing
681 private function getExternalDeletions( $existing ) {
682 return array_diff_key( $existing, $this->mExternals
);
686 * Given an array of existing categories, returns those categories which are not in $this
687 * and thus should be deleted.
688 * @param array $existing
691 private function getCategoryDeletions( $existing ) {
692 return array_diff_assoc( $existing, $this->mCategories
);
696 * Given an array of existing interlanguage links, returns those links which are not
697 * in $this and thus should be deleted.
698 * @param array $existing
701 private function getInterlangDeletions( $existing ) {
702 return array_diff_assoc( $existing, $this->mInterlangs
);
706 * Get array of properties which should be deleted.
707 * @param array $existing
710 function getPropertyDeletions( $existing ) {
711 return array_diff_assoc( $existing, $this->mProperties
);
715 * Given an array of existing interwiki links, returns those links which are not in $this
716 * and thus should be deleted.
717 * @param array $existing
720 private function getInterwikiDeletions( $existing ) {
722 foreach ( $existing as $prefix => $dbkeys ) {
723 if ( isset( $this->mInterwikis
[$prefix] ) ) {
724 $del[$prefix] = array_diff_key( $existing[$prefix], $this->mInterwikis
[$prefix] );
726 $del[$prefix] = $existing[$prefix];
734 * Get an array of existing links, as a 2-D array
738 private function getExistingLinks() {
739 $res = $this->mDb
->select( 'pagelinks', array( 'pl_namespace', 'pl_title' ),
740 array( 'pl_from' => $this->mId
), __METHOD__
, $this->mOptions
);
742 foreach ( $res as $row ) {
743 if ( !isset( $arr[$row->pl_namespace
] ) ) {
744 $arr[$row->pl_namespace
] = array();
746 $arr[$row->pl_namespace
][$row->pl_title
] = 1;
753 * Get an array of existing templates, as a 2-D array
757 private function getExistingTemplates() {
758 $res = $this->mDb
->select( 'templatelinks', array( 'tl_namespace', 'tl_title' ),
759 array( 'tl_from' => $this->mId
), __METHOD__
, $this->mOptions
);
761 foreach ( $res as $row ) {
762 if ( !isset( $arr[$row->tl_namespace
] ) ) {
763 $arr[$row->tl_namespace
] = array();
765 $arr[$row->tl_namespace
][$row->tl_title
] = 1;
772 * Get an array of existing images, image names in the keys
776 private function getExistingImages() {
777 $res = $this->mDb
->select( 'imagelinks', array( 'il_to' ),
778 array( 'il_from' => $this->mId
), __METHOD__
, $this->mOptions
);
780 foreach ( $res as $row ) {
781 $arr[$row->il_to
] = 1;
788 * Get an array of existing external links, URLs in the keys
792 private function getExistingExternals() {
793 $res = $this->mDb
->select( 'externallinks', array( 'el_to' ),
794 array( 'el_from' => $this->mId
), __METHOD__
, $this->mOptions
);
796 foreach ( $res as $row ) {
797 $arr[$row->el_to
] = 1;
804 * Get an array of existing categories, with the name in the key and sort key in the value.
808 private function getExistingCategories() {
809 $res = $this->mDb
->select( 'categorylinks', array( 'cl_to', 'cl_sortkey_prefix' ),
810 array( 'cl_from' => $this->mId
), __METHOD__
, $this->mOptions
);
812 foreach ( $res as $row ) {
813 $arr[$row->cl_to
] = $row->cl_sortkey_prefix
;
820 * Get an array of existing interlanguage links, with the language code in the key and the
821 * title in the value.
825 private function getExistingInterlangs() {
826 $res = $this->mDb
->select( 'langlinks', array( 'll_lang', 'll_title' ),
827 array( 'll_from' => $this->mId
), __METHOD__
, $this->mOptions
);
829 foreach ( $res as $row ) {
830 $arr[$row->ll_lang
] = $row->ll_title
;
837 * Get an array of existing inline interwiki links, as a 2-D array
838 * @return array (prefix => array(dbkey => 1))
840 protected function getExistingInterwikis() {
841 $res = $this->mDb
->select( 'iwlinks', array( 'iwl_prefix', 'iwl_title' ),
842 array( 'iwl_from' => $this->mId
), __METHOD__
, $this->mOptions
);
844 foreach ( $res as $row ) {
845 if ( !isset( $arr[$row->iwl_prefix
] ) ) {
846 $arr[$row->iwl_prefix
] = array();
848 $arr[$row->iwl_prefix
][$row->iwl_title
] = 1;
855 * Get an array of existing categories, with the name in the key and sort key in the value.
857 * @return array Array of property names and values
859 private function getExistingProperties() {
860 $res = $this->mDb
->select( 'page_props', array( 'pp_propname', 'pp_value' ),
861 array( 'pp_page' => $this->mId
), __METHOD__
, $this->mOptions
);
863 foreach ( $res as $row ) {
864 $arr[$row->pp_propname
] = $row->pp_value
;
871 * Return the title object of the page being updated
874 public function getTitle() {
875 return $this->mTitle
;
879 * Returns parser output
881 * @return ParserOutput
883 public function getParserOutput() {
884 return $this->mParserOutput
;
888 * Return the list of images used as generated by the parser
891 public function getImages() {
892 return $this->mImages
;
896 * Set this object as being triggered by a recursive LinksUpdate
900 public function setTriggeredRecursive() {
901 $this->mTriggeredRecursive
= true;
905 * Set the revision corresponding to this LinksUpdate
909 * @param Revision $revision
911 public function setRevision( Revision
$revision ) {
912 $this->mRevision
= $revision;
916 * Set the User who triggered this LinksUpdate
921 public function setTriggeringUser( User
$user ) {
929 public function getTriggeringUser() {
934 * Invalidate any necessary link lists related to page property changes
935 * @param array $changed
937 private function invalidateProperties( $changed ) {
938 global $wgPagePropLinkInvalidations;
940 foreach ( $changed as $name => $value ) {
941 if ( isset( $wgPagePropLinkInvalidations[$name] ) ) {
942 $inv = $wgPagePropLinkInvalidations[$name];
943 if ( !is_array( $inv ) ) {
944 $inv = array( $inv );
946 foreach ( $inv as $table ) {
947 $update = new HTMLCacheUpdate( $this->mTitle
, $table );
955 * Fetch page links added by this LinksUpdate. Only available after the update is complete.
957 * @return null|array Array of Titles
959 public function getAddedLinks() {
960 if ( $this->linkInsertions
=== null ) {
964 foreach ( $this->linkInsertions
as $insertion ) {
965 $result[] = Title
::makeTitle( $insertion['pl_namespace'], $insertion['pl_title'] );
972 * Fetch page links removed by this LinksUpdate. Only available after the update is complete.
974 * @return null|array Array of Titles
976 public function getRemovedLinks() {
977 if ( $this->linkDeletions
=== null ) {
981 foreach ( $this->linkDeletions
as $ns => $titles ) {
982 foreach ( $titles as $title => $unused ) {
983 $result[] = Title
::makeTitle( $ns, $title );
991 * Update links table freshness
993 protected function updateLinksTimestamp() {
995 // The link updates made here only reflect the freshness of the parser output
996 $timestamp = $this->mParserOutput
->getCacheTime();
997 $this->mDb
->update( 'page',
998 array( 'page_links_updated' => $this->mDb
->timestamp( $timestamp ) ),
999 array( 'page_id' => $this->mId
),
1005 public function getAsJobSpecification() {
1006 if ( $this->user
) {
1008 'userId' => $this->user
->getId(),
1009 'userName' => $this->user
->getName(),
1015 if ( $this->mRevision
) {
1016 $triggeringRevisionId = $this->mRevision
->getId();
1018 $triggeringRevisionId = false;
1022 'wiki' => $this->mDb
->getWikiID(),
1023 'job' => new JobSpecification(
1024 'refreshLinksPrioritized',
1026 // Reuse the parser cache if it was saved
1027 'rootJobTimestamp' => $this->mParserOutput
->getCacheTime(),
1028 'useRecursiveLinksUpdate' => $this->mRecursive
,
1029 'triggeringUser' => $userInfo,
1030 'triggeringRevisionId' => $triggeringRevisionId,
1032 array( 'removeDuplicates' => true ),