1 files changed, 59 insertions, 0 deletions
diff --git a/includes/job/jobs/DuplicateJob.php b/includes/job/jobs/DuplicateJob.php
new file mode 100644
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+++ b/includes/job/jobs/DuplicateJob.php
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+<?php
+/**
+ * No-op job that does nothing.
+ *
+ * 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
+ * @ingroup Cache
+ */
+
+/**
+ * No-op job that does nothing. Used to represent duplicates.
+ *
+ * @ingroup JobQueue
+ */
+final class DuplicateJob extends Job {
+	/**
+	 * Callers should use DuplicateJob::newFromJob() instead
+	 *
+	 * @param $title Title
+	 * @param array $params job parameters
+	 * @param $id Integer: job id
+	 */
+	function __construct( $title, $params, $id = 0 ) {
+		parent::__construct( 'duplicate', $title, $params, $id );
+	}
+
+	/**
+	 * Get a duplicate no-op version of a job
+	 *
+	 * @param Job $job
+	 * @return Job
+	 */
+	public static function newFromJob( Job $job ) {
+		$djob = new self( $job->getTitle(), $job->getParams(), $job->id );
+		$djob->command = $job->getType();
+		$djob->params = is_array( $djob->params ) ? $djob->params : array();
+		$djob->params = array( 'isDuplicate' => true ) + $djob->params;
+		$djob->metadata = $job->metadata;
+		return $djob;
+	}
+
+	public function run() {
+		return true;
+	}
+}