/**
* Retrieve the ParserOutput from ParserCache.
* false if not found or outdated.
*
* @param WikiPage|Article $article
* @param ParserOptions $popts
* @param bool $useOutdated (default false)
*
* @return ParserOutput|bool False on failure
*/
public function get($article, $popts, $useOutdated = false)
{
global $wgCacheEpoch;
$canCache = $article->checkTouched();
if (!$canCache) {
// It's a redirect now
return false;
}
$touched = $article->getTouched();
$parserOutputKey = $this->getKey($article, $popts, $useOutdated);
if ($parserOutputKey === false) {
wfIncrStats('pcache.miss.absent');
return false;
}
$value = $this->mMemc->get($parserOutputKey);
if (!$value) {
wfDebug("ParserOutput cache miss.\n");
wfIncrStats("pcache.miss.absent");
return false;
}
wfDebug("ParserOutput cache found.\n");
// The edit section preference may not be the appropiate one in
// the ParserOutput, as we are not storing it in the parsercache
// key. Force it here. See bug 31445.
$value->setEditSectionTokens($popts->getEditSection());
$wikiPage = method_exists($article, 'getPage') ? $article->getPage() : $article;
if (!$useOutdated && $value->expired($touched)) {
wfIncrStats("pcache.miss.expired");
$cacheTime = $value->getCacheTime();
wfDebug("ParserOutput key expired, touched {$touched}, " . "epoch {$wgCacheEpoch}, cached {$cacheTime}\n");
$value = false;
} elseif ($value->isDifferentRevision($article->getLatest())) {
wfIncrStats("pcache.miss.revid");
$revId = $article->getLatest();
$cachedRevId = $value->getCacheRevisionId();
wfDebug("ParserOutput key is for an old revision, latest {$revId}, cached {$cachedRevId}\n");
$value = false;
} elseif (Hooks::run('RejectParserCacheValue', array($value, $wikiPage, $popts)) === false) {
wfIncrStats('pcache.miss.rejected');
wfDebug("ParserOutput key valid, but rejected by RejectParserCacheValue hook handler.\n");
$value = false;
} else {
wfIncrStats("pcache.hit");
}
return $value;
}
/**
* Retrieve the ParserOutput from ParserCache.
* false if not found or outdated.
*
* @param Article $article
* @param ParserOptions $popts
* @param bool $useOutdated (default false)
*
* @return ParserOutput|bool False on failure
*/
public function get($article, $popts, $useOutdated = false)
{
global $wgCacheEpoch;
wfProfileIn(__METHOD__);
$canCache = $article->checkTouched();
if (!$canCache) {
// It's a redirect now
wfProfileOut(__METHOD__);
return false;
}
$touched = $article->getTouched();
$parserOutputKey = $this->getKey($article, $popts, $useOutdated);
if ($parserOutputKey === false) {
wfIncrStats('pcache_miss_absent');
wfProfileOut(__METHOD__);
return false;
}
$value = $this->mMemc->get($parserOutputKey);
if (!$value) {
wfDebug("ParserOutput cache miss.\n");
wfIncrStats("pcache_miss_absent");
wfProfileOut(__METHOD__);
return false;
}
wfDebug("ParserOutput cache found.\n");
// The edit section preference may not be the appropiate one in
// the ParserOutput, as we are not storing it in the parsercache
// key. Force it here. See bug 31445.
$value->setEditSectionTokens($popts->getEditSection());
if (!$useOutdated && $value->expired($touched)) {
wfIncrStats("pcache_miss_expired");
$cacheTime = $value->getCacheTime();
wfDebug("ParserOutput key expired, touched {$touched}, " . "epoch {$wgCacheEpoch}, cached {$cacheTime}\n");
$value = false;
} elseif ($value->isDifferentRevision($article->getLatest())) {
wfIncrStats("pcache_miss_revid");
$revId = $article->getLatest();
$cachedRevId = $value->getCacheRevisionId();
wfDebug("ParserOutput key is for an old revision, latest {$revId}, cached {$cachedRevId}\n");
$value = false;
} else {
wfIncrStats("pcache_hit");
}
wfProfileOut(__METHOD__);
return $value;
}
