<?php
/**
- * File for BacklinkCache class
+ * Class for fetching backlink lists, approximate backlink counts and
+ * partitions.
+ *
+ * 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
+ * @author Tim Starling
+ * @copyright © 2009, Tim Starling, Domas Mituzas
+ * @copyright © 2010, Max Sem
+ * @copyright © 2011, Antoine Musso
*/
/**
* Introduced by r47317
*
* @internal documentation reviewed on 18 Mar 2011 by hashar
- *
- * @author Tim Starling
- * @copyright © 2009, Tim Starling, Domas Mituzas
- * @copyright © 2010, Max Sem
- * @copyright © 2011, Ashar Voultoiz
*/
class BacklinkCache {
* Serialization handler, diasallows to serialize the database to prevent
* failures after this class is deserialized from cache with dead DB
* connection.
+ *
+ * @return array
*/
function __sleep() {
return array( 'partitionCache', 'fullResultCache', 'title' );
/**
* Get the slave connection to the database
* When non existing, will initialize the connection.
- * @return Database object
+ * @return DatabaseBase object
*/
protected function getDB() {
if ( !isset( $this->db ) ) {
return $ta;
}
- /**
- * Get the distant backtemplatelinks for the table globaltemplatelinks. Cached in process memory only.
- * @return ResultWrapper list of distant pages that use the local title
- */
- public function getDistantTemplateLinks( ) {
- global $wgGlobalDatabase, $wgLocalInterwiki;
-
- $dbr = $dbr = wfGetDB( DB_SLAVE, array(), $wgGlobalDatabase );
- $res = $dbr->select(
- array( 'globaltemplatelinks', 'globalinterwiki' ),
- array( 'gtl_from_wiki', 'gtl_from_page', 'gtl_from_title', 'giw_prefix' ),
- array( 'gtl_to_prefix' => $wgLocalInterwiki, 'gtl_to_title' => $this->title->getDBkey( ) ),
- __METHOD__,
- null,
- array( 'gtl_from_wiki = giw_wikiid' )
- );
- return $res;
- }
-
/**
* Get the field name prefix for a given table
* @param $table String
+ * @return null|string
*/
protected function getPrefix( $table ) {
static $prefixes = array(
'categorylinks' => 'cl',
'templatelinks' => 'tl',
'redirect' => 'rd',
- 'globaltemplatelinks' => 'gtl',
);
if ( isset( $prefixes[$table] ) ) {
* Get the SQL condition array for selecting backlinks, with a join
* on the page table.
* @param $table String
+ * @return array|null
*/
protected function getConditions( $table ) {
$prefix = $this->getPrefix( $table );