http://www.oracle-base.com/articles/11g/database-resident-connection-pool-11gr1.php
* Add a new parameter $patrolFooterShown to hook ArticleViewFooter so the hook
handlers can take further action based on the status of the patrol footer
+* LinkCache singleton can now be altered or cleared, letting one to specify
+ another instance that does not rely on a database backend.
=== Bug fixes in 1.22 ===
* Disable Special:PasswordReset when $wgEnableEmail is false. Previously one
private $mForUpdate = false;
/**
- * Get an instance of this class
+ * @var LinkCache
+ */
+ protected static $instance;
+
+ /**
+ * Get an instance of this class.
*
* @return LinkCache
*/
static function &singleton() {
- static $instance;
- if ( !isset( $instance ) ) {
- $instance = new LinkCache;
+ if ( self::$instance ) {
+ return self::$instance;
}
- return $instance;
+ self::$instance = new LinkCache;
+ return self::$instance;
+ }
+
+ /**
+ * Destroy the singleton instance, a new one will be created next time
+ * singleton() is called.
+ * @since 1.22
+ */
+ static function destroySingleton() {
+ self::$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
+ */
+ static function setSingleton( LinkCache $instance ) {
+ self::$instance = $instance;
}
/**