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<?php
namespace SMW\MediaWiki\Deferred;
use DeferrableUpdate;
use DeferredUpdates;
use Title;
use SMW\ApplicationFactory;
use SMW\MediaWiki\Jobs\UpdateJob;
use SMW\Site;
use SMW\Enum;
/**
* Run a deferred update job for a changed title instance to re-parse the content
* of those associated titles and make sure that its content (incl. any
* self-reference) is correctly represented.
*
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ChangeTitleUpdate implements DeferrableUpdate {
/**
* @var Title|null
*/
private $oldTitle;
/**
* @var Title|null
*/
private $newTitle;
/**
* @since 3.0
*
* @param Title|null $oldTitle
* @param Title|null $newTitle
*/
public function __construct( Title $oldTitle = null, Title $newTitle = null ) {
$this->oldTitle = $oldTitle;
$this->newTitle = $newTitle;
}
/**
* @since 3.0
*
* @param Title|null $oldTitle
* @param Title|null $newTitle
*/
public static function addUpdate( Title $oldTitle = null, Title $newTitle = null ) {
// Avoid deferring the update on CLI (and the DeferredUpdates::tryOpportunisticExecute)
// since we use a Job instance to carry out the change
if ( Site::isCommandLineMode() ) {
$changeTitleUpdate = new self( $oldTitle, $newTitle );
$changeTitleUpdate->doUpdate();
} else {
DeferredUpdates::addUpdate( new self( $oldTitle, $newTitle ) );
}
}
/**
* @see DeferrableUpdate::doUpdate
*
* @since 3.0
*/
public function doUpdate() {
$applicationFactory = ApplicationFactory::getInstance();
$jobFactory = $applicationFactory->newJobFactory();
$parameters = [
UpdateJob::FORCED_UPDATE => true,
// Run purge job after the change has happened since no post-edit event
// will be triggered on a changed/redirect title
Enum::PURGE_ASSOC_PARSERCACHE => true,
'origin' => 'ChangeTitleUpdate'
];
if ( $this->oldTitle !== null ) {
$jobFactory->newUpdateJob( $this->oldTitle, $parameters )->run();
}
if ( $this->newTitle !== null ) {
$jobFactory->newUpdateJob( $this->newTitle, $parameters )->run();
}
}
}
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