Merge "Localise some special pages into Korean (ko)"
[lhc/web/wiklou.git] / includes / jobqueue / Job.php
index bbd0ddb..703e485 100644 (file)
@@ -69,12 +69,22 @@ abstract class Job implements IJobSpecification {
                global $wgJobClasses;
 
                if ( isset( $wgJobClasses[$command] ) ) {
-                       $class = $wgJobClasses[$command];
-
-                       $job = new $class( $title, $params );
-                       $job->command = $command;
+                       $handler = $wgJobClasses[$command];
+
+                       if ( is_callable( $handler ) ) {
+                               $job = call_user_func( $handler, $title, $params );
+                       } elseif ( class_exists( $handler ) ) {
+                               $job = new $handler( $title, $params );
+                       } else {
+                               $job = null;
+                       }
 
-                       return $job;
+                       if ( $job instanceof Job ) {
+                               $job->command = $command;
+                               return $job;
+                       } else {
+                               throw new InvalidArgumentException( "Cannot instantiate job '$command': bad spec!" );
+                       }
                }
 
                throw new InvalidArgumentException( "Invalid job command '{$command}'" );
@@ -301,7 +311,9 @@ abstract class Job implements IJobSpecification {
        }
 
        /**
-        * @param callable $callback
+        * @param callable $callback A function with one parameter, the success status, which will be
+        *   false if the job failed or it succeeded but the DB changes could not be committed or
+        *   any deferred updates threw an exception. (This parameter was added in 1.28.)
         * @since 1.27
         */
        protected function addTeardownCallback( $callback ) {
@@ -310,12 +322,12 @@ abstract class Job implements IJobSpecification {
 
        /**
         * Do any final cleanup after run(), deferred updates, and all DB commits happen
-        *
+        * @param bool $status Whether the job, its deferred updates, and DB commit all succeeded
         * @since 1.27
         */
-       public function teardown() {
+       public function teardown( $status ) {
                foreach ( $this->teardownCallbacks as $callback ) {
-                       call_user_func( $callback );
+                       call_user_func( $callback, $status );
                }
        }