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PoolWorkArticleViewOld.php
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PoolWorkArticleViewOld.php
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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\PoolCounter;
use MediaWiki\Logger\Spi as LoggerSpi;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Parser\ParserOptions;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\Parser\RevisionOutputCache;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\RevisionRenderer;
use MediaWiki\Status\Status;
/**
* PoolWorkArticleView for an old revision of a page, using a simple cache.
*
* @internal
*/
class PoolWorkArticleViewOld extends PoolWorkArticleView {
/** @var RevisionOutputCache */
private $cache;
/**
* @param string $workKey PoolCounter key.
* @param RevisionOutputCache $cache The cache to store ParserOutput in.
* @param RevisionRecord $revision Revision to render
* @param ParserOptions $parserOptions ParserOptions to use for the parse
* @param RevisionRenderer $revisionRenderer
* @param LoggerSpi $loggerSpi
*/
public function __construct(
string $workKey,
RevisionOutputCache $cache,
RevisionRecord $revision,
ParserOptions $parserOptions,
RevisionRenderer $revisionRenderer,
LoggerSpi $loggerSpi
) {
parent::__construct( $workKey, $revision, $parserOptions, $revisionRenderer, $loggerSpi );
$this->cache = $cache;
$this->cacheable = true;
}
/**
* @return Status
*/
public function doWork() {
// T371713: Temporary statistics collection code to determine
// feasibility of Parsoid selective update
$sampleRate = MediaWikiServices::getInstance()->getMainConfig()->get(
MainConfigNames::ParsoidSelectiveUpdateSampleRate
);
$doSample = ( $sampleRate && mt_rand( 1, $sampleRate ) === 1 );
// Reduce effects of race conditions for slow parses (T48014)
$cacheTime = wfTimestampNow();
$status = $this->renderRevision(
null, /* don't attempt Parsoid selective updates on this path */
$doSample, 'PoolWorkArticleViewOld'
);
/** @var ParserOutput|null $output */
$output = $status->getValue();
if ( $output && $output->isCacheable() ) {
$this->cache->save( $output, $this->revision, $this->parserOptions, $cacheTime );
}
return $status;
}
/**
* @return Status|false
*/
public function getCachedWork() {
$parserOutput = $this->cache->get( $this->revision, $this->parserOptions );
return $parserOutput ? Status::newGood( $parserOutput ) : false;
}
}
/** @deprecated class alias since 1.42 */
class_alias( PoolWorkArticleViewOld::class, 'PoolWorkArticleViewOld' );

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text/x-php
Expires
Sat, May 16, 13:14 (1 d, 15 h)
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07/ed/c72b2845855da32a78437459821a
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PoolWorkArticleViewOld.php (3 KB)

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