* @file
* @ingroup Cache
*/
+use MediaWiki\Linker\LinkTarget;
+use MediaWiki\MediaWikiServices;
/**
* Cache for article titles (prefixed DB keys) and ids linked from one source
private $mForUpdate = false;
/**
- * How many Titles to store. There are two caches, so the amount actually
- * stored in memory can be up to twice this.
+ * @var TitleFormatter
*/
- const MAX_SIZE = 10000;
+ private $titleFormatter;
/**
- * @var LinkCache
+ * How many Titles to store. There are two caches, so the amount actually
+ * stored in memory can be up to twice this.
*/
- protected static $instance;
+ const MAX_SIZE = 10000;
- public function __construct() {
+ public function __construct( TitleFormatter $titleFormatter ) {
$this->mGoodLinks = new HashBagOStuff( [ 'maxKeys' => self::MAX_SIZE ] );
$this->mBadLinks = new HashBagOStuff( [ 'maxKeys' => self::MAX_SIZE ] );
+ $this->titleFormatter = $titleFormatter;
}
/**
* Get an instance of this class.
*
* @return LinkCache
+ * @deprecated since 1.28, use MediaWikiServices instead
*/
- public static function &singleton() {
- if ( !self::$instance ) {
- self::$instance = new LinkCache;
- }
-
- return self::$instance;
- }
-
- /**
- * Destroy the singleton instance
- *
- * A new one will be created next time singleton() is called.
- *
- * @since 1.22
- */
- public static function destroySingleton() {
- self::$instance = null;
- }
-
- /**
- * Set the singleton instance to a given object.
- *
- * Since we do not have an interface for LinkCache, you have to be sure the
- * given object implements all the LinkCache public methods.
- *
- * @param LinkCache $instance
- * @since 1.22
- */
- public static function setSingleton( LinkCache $instance ) {
- self::$instance = $instance;
+ public static function singleton() {
+ return MediaWikiServices::getInstance()->getLinkCache();
}
/**
}
/**
- * @param string $title
+ * @param string $title Prefixed DB key
* @return int Page ID or zero
*/
public function getGoodLinkID( $title ) {
/**
* Get a field of a title object from cache.
* If this link is not a cached good title, it will return NULL.
- * @param Title $title
+ * @param LinkTarget $target
* @param string $field ('length','redirect','revision','model')
* @return string|int|null
*/
- public function getGoodLinkFieldObj( $title, $field ) {
- $dbkey = $title->getPrefixedDBkey();
+ public function getGoodLinkFieldObj( LinkTarget $target, $field ) {
+ $dbkey = $this->titleFormatter->getPrefixedDBkey( $target );
$info = $this->mGoodLinks->get( $dbkey );
if ( !$info ) {
return null;
}
/**
- * @param string $title
+ * @param string $title Prefixed DB key
* @return bool
*/
public function isBadLink( $title ) {
* Add a link for the title to the link cache
*
* @param int $id Page's ID
- * @param Title $title
+ * @param LinkTarget $target
* @param int $len Text's length
* @param int $redir Whether the page is a redirect
* @param int $revision Latest revision's ID
* @param string|null $model Latest revision's content model ID
* @param string|null $lang Language code of the page, if not the content language
*/
- public function addGoodLinkObj( $id, Title $title, $len = -1, $redir = null,
+ public function addGoodLinkObj( $id, LinkTarget $target, $len = -1, $redir = null,
$revision = 0, $model = null, $lang = null
) {
- $dbkey = $title->getPrefixedDBkey();
+ $dbkey = $this->titleFormatter->getPrefixedDBkey( $target );
$this->mGoodLinks->set( $dbkey, [
'id' => (int)$id,
'length' => (int)$len,
/**
* Same as above with better interface.
* @since 1.19
- * @param Title $title
+ * @param LinkTarget $target
* @param stdClass $row Object which has the fields page_id, page_is_redirect,
* page_latest and page_content_model
*/
- public function addGoodLinkObjFromRow( Title $title, $row ) {
- $dbkey = $title->getPrefixedDBkey();
+ public function addGoodLinkObjFromRow( LinkTarget $target, $row ) {
+ $dbkey = $this->titleFormatter->getPrefixedDBkey( $target );
$this->mGoodLinks->set( $dbkey, [
'id' => intval( $row->page_id ),
'length' => intval( $row->page_len ),
}
/**
- * @param Title $title
+ * @param LinkTarget $target
*/
- public function addBadLinkObj( Title $title ) {
- $dbkey = $title->getPrefixedDBkey();
+ public function addBadLinkObj( LinkTarget $target ) {
+ $dbkey = $this->titleFormatter->getPrefixedDBkey( $target );
if ( !$this->isBadLink( $dbkey ) ) {
$this->mBadLinks->set( $dbkey, 1 );
}
}
+ /**
+ * @param string $title Prefixed DB key
+ */
public function clearBadLink( $title ) {
- $this->mBadLinks->clear( [ $title ] );
+ $this->mBadLinks->delete( $title );
}
/**
- * @param Title $title
+ * @param LinkTarget $target
*/
- public function clearLink( $title ) {
- $dbkey = $title->getPrefixedDBkey();
+ public function clearLink( LinkTarget $target ) {
+ $dbkey = $this->titleFormatter->getPrefixedDBkey( $target );
$this->mBadLinks->delete( $dbkey );
$this->mGoodLinks->delete( $dbkey );
}
/**
* Add a title to the link cache, return the page_id or zero if non-existent
*
- * @param string $title Title to add
+ * @deprecated since 1.27, unused
+ * @param string $title Prefixed DB key
* @return int Page ID or zero
*/
public function addLink( $title ) {
}
/**
- * Add a title to the link cache, return the page_id or zero if non-existent
+ * Fields that LinkCache needs to select
*
- * @param Title $nt Title object to add
- * @return int Page ID or zero
+ * @since 1.28
+ * @return array
*/
- public function addLinkObj( Title $nt ) {
+ public static function getSelectFields() {
global $wgContentHandlerUseDB, $wgPageLanguageUseDB;
- $key = $nt->getPrefixedDBkey();
- if ( $this->isBadLink( $key ) || $nt->isExternal() ) {
+ $fields = [ 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ];
+ if ( $wgContentHandlerUseDB ) {
+ $fields[] = 'page_content_model';
+ }
+ if ( $wgPageLanguageUseDB ) {
+ $fields[] = 'page_lang';
+ }
+
+ return $fields;
+ }
+
+ /**
+ * Add a title to the link cache, return the page_id or zero if non-existent
+ *
+ * @param LinkTarget $nt LinkTarget object to add
+ * @return int Page ID or zero
+ */
+ public function addLinkObj( LinkTarget $nt ) {
+ $key = $this->titleFormatter->getPrefixedDBkey( $nt );
+ if ( $this->isBadLink( $key ) || $nt->isExternal()
+ || $nt->inNamespace( NS_SPECIAL )
+ ) {
return 0;
}
$id = $this->getGoodLinkID( $key );
}
// Some fields heavily used for linking...
- $db = $this->mForUpdate ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE );
-
- $fields = [ 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ];
- if ( $wgContentHandlerUseDB ) {
- $fields[] = 'page_content_model';
- }
- if ( $wgPageLanguageUseDB ) {
- $fields[] = 'page_lang';
- }
+ $db = $this->mForUpdate ? wfGetDB( DB_MASTER ) : wfGetDB( DB_REPLICA );
- $row = $db->selectRow( 'page', $fields,
+ $row = $db->selectRow( 'page', self::getSelectFields(),
[ 'page_namespace' => $nt->getNamespace(), 'page_title' => $nt->getDBkey() ],
__METHOD__
);
dépôts / lhc / web / wiklou.git / blobdiff