* @author Tim Starling
* @copyright © 2009, Tim Starling, Domas Mituzas
* @copyright © 2010, Max Sem
- * @copyright © 2011, Ashar Voultoiz
+ * @copyright © 2011, Antoine Musso
*/
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 = 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 );
*/
public function partition( $table, $batchSize ) {
- // 1) try partition cache ...
+ // 1) try partition cache ...
if ( isset( $this->partitionCache[$table][$batchSize] ) ) {
wfDebug( __METHOD__ . ": got from partition cache\n" );
* Partition a DB result with backlinks in it into batches
* @param $res ResultWrapper database result
* @param $batchSize integer
- * @return array @see
+ * @return array @see
*/
protected function partitionResult( $res, $batchSize ) {
$batches = array();