Merge branch 'archwiki'

Conflicts:
	extensions/FluxBBAuthPlugin.php
	extensions/SyntaxHighlight_GeSHi/README
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
	extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
	extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
	extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
	extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php

1 files changed, 162 insertions, 288 deletions

diff --git a/includes/job/Job.php b/includes/job/Job.php
index d777a5d4..ab7df5d2 100644
--- a/includes/job/Job.php
+++ b/includes/job/Job.php
@@ -23,11 +23,11 @@
 
 /**
  * Class to both describe a background job and handle jobs.
+ * The queue aspects of this class are now deprecated.
  *
  * @ingroup JobQueue
  */
 abstract class Job {
-
 	/**
 	 * @var Title
 	 */
@@ -39,6 +39,9 @@ abstract class Job {
 		$removeDuplicates,
 		$error;
 
+	/** @var Array Additional queue metadata */
+	public $metadata = array();
+
 	/*-------------------------------------------------------------------------
 	 * Abstract functions
 	 *------------------------------------------------------------------------*/
@@ -47,178 +50,25 @@ abstract class Job {
 	 * Run the job
 	 * @return boolean success
 	 */
-	abstract function run();
+	abstract public function run();
 
 	/*-------------------------------------------------------------------------
 	 * Static functions
 	 *------------------------------------------------------------------------*/
 
 	/**
-	 * Pop a job of a certain type.  This tries less hard than pop() to
-	 * actually find a job; it may be adversely affected by concurrent job
-	 * runners.
-	 *
-	 * @param $type string
-	 *
-	 * @return Job
-	 */
-	static function pop_type( $type ) {
-		wfProfilein( __METHOD__ );
-
-		$dbw = wfGetDB( DB_MASTER );
-
-		$dbw->begin( __METHOD__ );
-
-		$row = $dbw->selectRow(
-			'job',
-			'*',
-			array( 'job_cmd' => $type ),
-			__METHOD__,
-			array( 'LIMIT' => 1, 'FOR UPDATE' )
-		);
-
-		if ( $row === false ) {
-			$dbw->commit( __METHOD__ );
-			wfProfileOut( __METHOD__ );
-			return false;
-		}
-
-		/* Ensure we "own" this row */
-		$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
-		$affected = $dbw->affectedRows();
-		$dbw->commit( __METHOD__ );
-
-		if ( $affected == 0 ) {
-			wfProfileOut( __METHOD__ );
-			return false;
-		}
-
-		wfIncrStats( 'job-pop' );
-		$namespace = $row->job_namespace;
-		$dbkey = $row->job_title;
-		$title = Title::makeTitleSafe( $namespace, $dbkey );
-		$job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ),
-			$row->job_id );
-
-		$job->removeDuplicates();
-
-		wfProfileOut( __METHOD__ );
-		return $job;
-	}
-
-	/**
-	 * Pop a job off the front of the queue
-	 *
-	 * @param $offset Integer: Number of jobs to skip
-	 * @return Job or false if there's no jobs
-	 */
-	static function pop( $offset = 0 ) {
-		wfProfileIn( __METHOD__ );
-
-		$dbr = wfGetDB( DB_SLAVE );
-
-		/* Get a job from the slave, start with an offset,
-			scan full set afterwards, avoid hitting purged rows
-
-			NB: If random fetch previously was used, offset
-				will always be ahead of few entries
-		*/
-
-		$conditions = self::defaultQueueConditions();
-
-		$offset = intval( $offset );
-		$options = array( 'ORDER BY' => 'job_id', 'USE INDEX' => 'PRIMARY' );
-
-		$row = $dbr->selectRow( 'job', '*',
-			array_merge( $conditions, array( "job_id >= $offset" ) ),
-			__METHOD__,
-			$options
-		);
-
-		// Refetching without offset is needed as some of job IDs could have had delayed commits
-		// and have lower IDs than jobs already executed, blame concurrency :)
-		//
-		if ( $row === false ) {
-			if ( $offset != 0 ) {
-				$row = $dbr->selectRow( 'job', '*', $conditions, __METHOD__, $options );
-			}
-
-			if ( $row === false ) {
-				wfProfileOut( __METHOD__ );
-				return false;
-			}
-		}
-
-		// Try to delete it from the master
-		$dbw = wfGetDB( DB_MASTER );
-		$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
-		$affected = $dbw->affectedRows();
-
-		if ( !$affected ) {
-			// Failed, someone else beat us to it
-			// Try getting a random row
-			$row = $dbw->selectRow( 'job', array( 'minjob' => 'MIN(job_id)',
-				'maxjob' => 'MAX(job_id)' ), '1=1', __METHOD__ );
-			if ( $row === false || is_null( $row->minjob ) || is_null( $row->maxjob ) ) {
-				// No jobs to get
-				wfProfileOut( __METHOD__ );
-				return false;
-			}
-			// Get the random row
-			$row = $dbw->selectRow( 'job', '*',
-				'job_id >= ' . mt_rand( $row->minjob, $row->maxjob ), __METHOD__ );
-			if ( $row === false ) {
-				// Random job gone before we got the chance to select it
-				// Give up
-				wfProfileOut( __METHOD__ );
-				return false;
-			}
-			// Delete the random row
-			$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
-			$affected = $dbw->affectedRows();
-
-			if ( !$affected ) {
-				// Random job gone before we exclusively deleted it
-				// Give up
-				wfProfileOut( __METHOD__ );
-				return false;
-			}
-		}
-
-		// If execution got to here, there's a row in $row that has been deleted from the database
-		// by this thread. Hence the concurrent pop was successful.
-		wfIncrStats( 'job-pop' );
-		$namespace = $row->job_namespace;
-		$dbkey = $row->job_title;
-		$title = Title::makeTitleSafe( $namespace, $dbkey );
-
-		if ( is_null( $title ) ) {
-			wfProfileOut( __METHOD__ );
-			return false;
-		}
-
-		$job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ), $row->job_id );
-
-		// Remove any duplicates it may have later in the queue
-		$job->removeDuplicates();
-
-		wfProfileOut( __METHOD__ );
-		return $job;
-	}
-
-	/**
 	 * Create the appropriate object to handle a specific job
 	 *
-	 * @param $command String: Job command
+	 * @param string $command Job command
 	 * @param $title Title: Associated title
-	 * @param $params Array|bool: Job parameters
-	 * @param $id Int: Job identifier
+	 * @param array|bool $params Job parameters
+	 * @param int $id Job identifier
 	 * @throws MWException
 	 * @return Job
 	 */
-	static function factory( $command, Title $title, $params = false, $id = 0 ) {
+	public static function factory( $command, Title $title, $params = false, $id = 0 ) {
 		global $wgJobClasses;
-		if( isset( $wgJobClasses[$command] ) ) {
+		if ( isset( $wgJobClasses[$command] ) ) {
 			$class = $wgJobClasses[$command];
 			return new $class( $title, $params, $id );
 		}
@@ -226,64 +76,18 @@ abstract class Job {
 	}
 
 	/**
-	 * @param $params
-	 * @return string
-	 */
-	static function makeBlob( $params ) {
-		if ( $params !== false ) {
-			return serialize( $params );
-		} else {
-			return '';
-		}
-	}
-
-	/**
-	 * @param $blob
-	 * @return bool|mixed
-	 */
-	static function extractBlob( $blob ) {
-		if ( (string)$blob !== '' ) {
-			return unserialize( $blob );
-		} else {
-			return false;
-		}
-	}
-
-	/**
 	 * Batch-insert a group of jobs into the queue.
 	 * This will be wrapped in a transaction with a forced commit.
 	 *
 	 * This may add duplicate at insert time, but they will be
 	 * removed later on, when the first one is popped.
 	 *
-	 * @param $jobs array of Job objects
+	 * @param array $jobs of Job objects
+	 * @return bool
+	 * @deprecated since 1.21
 	 */
-	static function batchInsert( $jobs ) {
-		if ( !count( $jobs ) ) {
-			return;
-		}
-		$dbw = wfGetDB( DB_MASTER );
-		$rows = array();
-
-		/**
-		 * @var $job Job
-		 */
-		foreach ( $jobs as $job ) {
-			$rows[] = $job->insertFields();
-			if ( count( $rows ) >= 50 ) {
-				# Do a small transaction to avoid slave lag
-				$dbw->begin( __METHOD__ );
-				$dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
-				$dbw->commit( __METHOD__ );
-				$rows = array();
-			}
-		}
-		if ( $rows ) { // last chunk
-			$dbw->begin( __METHOD__ );
-			$dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
-			$dbw->commit( __METHOD__ );
-		}
-		wfIncrStats( 'job-insert', count( $jobs ) );
+	public static function batchInsert( $jobs ) {
+		return JobQueueGroup::singleton()->push( $jobs );
 	}
 
 	/**
@@ -293,46 +97,36 @@ abstract class Job {
 	 * be rolled-back as part of a larger transaction. However,
 	 * large batches of jobs can cause slave lag.
 	 *
-	 * @param $jobs array of Job objects
+	 * @param array $jobs of Job objects
+	 * @return bool
+	 * @deprecated since 1.21
 	 */
-	static function safeBatchInsert( $jobs ) {
-		if ( !count( $jobs ) ) {
-			return;
-		}
-		$dbw = wfGetDB( DB_MASTER );
-		$rows = array();
-		foreach ( $jobs as $job ) {
-			$rows[] = $job->insertFields();
-			if ( count( $rows ) >= 500 ) {
-				$dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
-				$rows = array();
-			}
-		}
-		if ( $rows ) { // last chunk
-			$dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
-		}
-		wfIncrStats( 'job-insert', count( $jobs ) );
+	public static function safeBatchInsert( $jobs ) {
+		return JobQueueGroup::singleton()->push( $jobs, JobQueue::QOS_ATOMIC );
 	}
 
-
 	/**
-	 * SQL conditions to apply on most JobQueue queries
+	 * Pop a job of a certain type.  This tries less hard than pop() to
+	 * actually find a job; it may be adversely affected by concurrent job
+	 * runners.
 	 *
-	 * Whenever we exclude jobs types from the default queue, we want to make
-	 * sure that queries to the job queue actually ignore them.
+	 * @param $type string
+	 * @return Job|bool Returns false if there are no jobs
+	 * @deprecated since 1.21
+	 */
+	public static function pop_type( $type ) {
+		return JobQueueGroup::singleton()->get( $type )->pop();
+	}
+
+	/**
+	 * Pop a job off the front of the queue.
+	 * This is subject to $wgJobTypesExcludedFromDefaultQueue.
 	 *
-	 * @return array SQL conditions suitable for Database:: methods
+	 * @return Job or false if there's no jobs
+	 * @deprecated since 1.21
 	 */
-	static function defaultQueueConditions( ) {
-		global $wgJobTypesExcludedFromDefaultQueue;
-		$conditions = array();
-		if ( count( $wgJobTypesExcludedFromDefaultQueue ) > 0 ) {
-			$dbr = wfGetDB( DB_SLAVE );
-			foreach ( $wgJobTypesExcludedFromDefaultQueue as $cmdType ) {
-				$conditions[] = "job_cmd != " . $dbr->addQuotes( $cmdType );
-			}
-		}
-		return $conditions;
+	public static function pop() {
+		return JobQueueGroup::singleton()->pop();
 	}
 
 	/*-------------------------------------------------------------------------
@@ -345,83 +139,163 @@ abstract class Job {
 	 * @param $params array|bool
 	 * @param $id int
 	 */
-	function __construct( $command, $title, $params = false, $id = 0 ) {
+	public function __construct( $command, $title, $params = false, $id = 0 ) {
 		$this->command = $command;
 		$this->title = $title;
 		$this->params = $params;
 		$this->id = $id;
 
-		// A bit of premature generalisation
-		// Oh well, the whole class is premature generalisation really
-		$this->removeDuplicates = true;
+		$this->removeDuplicates = false; // expensive jobs may set this to true
 	}
 
 	/**
-	 * Insert a single job into the queue.
-	 * @return bool true on success
+	 * @return integer May be 0 for jobs stored outside the DB
+	 * @deprecated since 1.22
 	 */
-	function insert() {
-		$fields = $this->insertFields();
+	public function getId() {
+		return $this->id;
+	}
 
-		$dbw = wfGetDB( DB_MASTER );
+	/**
+	 * @return string
+	 */
+	public function getType() {
+		return $this->command;
+	}
 
-		if ( $this->removeDuplicates ) {
-			$res = $dbw->select( 'job', array( '1' ), $fields, __METHOD__ );
-			if ( $dbw->numRows( $res ) ) {
-				return true;
-			}
-		}
-		wfIncrStats( 'job-insert' );
-		return $dbw->insert( 'job', $fields, __METHOD__ );
+	/**
+	 * @return Title
+	 */
+	public function getTitle() {
+		return $this->title;
 	}
 
 	/**
 	 * @return array
 	 */
-	protected function insertFields() {
-		$dbw = wfGetDB( DB_MASTER );
+	public function getParams() {
+		return $this->params;
+	}
+
+	/**
+	 * @return integer|null UNIX timestamp to delay running this job until, otherwise null
+	 * @since 1.22
+	 */
+	public function getReleaseTimestamp() {
+		return isset( $this->params['jobReleaseTimestamp'] )
+			? wfTimestampOrNull( TS_UNIX, $this->params['jobReleaseTimestamp'] )
+			: null;
+	}
+
+	/**
+	 * @return bool Whether only one of each identical set of jobs should be run
+	 */
+	public function ignoreDuplicates() {
+		return $this->removeDuplicates;
+	}
+
+	/**
+	 * @return bool Whether this job can be retried on failure by job runners
+	 * @since 1.21
+	 */
+	public function allowRetries() {
+		return true;
+	}
+
+	/**
+	 * Subclasses may need to override this to make duplication detection work.
+	 * The resulting map conveys everything that makes the job unique. This is
+	 * only checked if ignoreDuplicates() returns true, meaning that duplicate
+	 * jobs are supposed to be ignored.
+	 *
+	 * @return Array Map of key/values
+	 * @since 1.21
+	 */
+	public function getDeduplicationInfo() {
+		$info = array(
+			'type' => $this->getType(),
+			'namespace' => $this->getTitle()->getNamespace(),
+			'title' => $this->getTitle()->getDBkey(),
+			'params' => $this->getParams()
+		);
+		if ( is_array( $info['params'] ) ) {
+			// Identical jobs with different "root" jobs should count as duplicates
+			unset( $info['params']['rootJobSignature'] );
+			unset( $info['params']['rootJobTimestamp'] );
+			// Likewise for jobs with different delay times
+			unset( $info['params']['jobReleaseTimestamp'] );
+		}
+		return $info;
+	}
+
+	/**
+	 * @see JobQueue::deduplicateRootJob()
+	 * @param string $key A key that identifies the task
+	 * @return Array
+	 * @since 1.21
+	 */
+	public static function newRootJobParams( $key ) {
 		return array(
-			'job_id' => $dbw->nextSequenceValue( 'job_job_id_seq' ),
-			'job_cmd' => $this->command,
-			'job_namespace' => $this->title->getNamespace(),
-			'job_title' => $this->title->getDBkey(),
-			'job_timestamp' => $dbw->timestamp(),
-			'job_params' => Job::makeBlob( $this->params )
+			'rootJobSignature' => sha1( $key ),
+			'rootJobTimestamp' => wfTimestampNow()
 		);
 	}
 
 	/**
-	 * Remove jobs in the job queue which are duplicates of this job.
-	 * This is deadlock-prone and so starts its own transaction.
+	 * @see JobQueue::deduplicateRootJob()
+	 * @return Array
+	 * @since 1.21
 	 */
-	function removeDuplicates() {
-		if ( !$this->removeDuplicates ) {
-			return;
-		}
+	public function getRootJobParams() {
+		return array(
+			'rootJobSignature' => isset( $this->params['rootJobSignature'] )
+				? $this->params['rootJobSignature']
+				: null,
+			'rootJobTimestamp' => isset( $this->params['rootJobTimestamp'] )
+				? $this->params['rootJobTimestamp']
+				: null
+		);
+	}
 
-		$fields = $this->insertFields();
-		unset( $fields['job_id'] );
-		unset( $fields['job_timestamp'] );
-		$dbw = wfGetDB( DB_MASTER );
-		$dbw->begin( __METHOD__ );
-		$dbw->delete( 'job', $fields, __METHOD__ );
-		$affected = $dbw->affectedRows();
-		$dbw->commit( __METHOD__ );
-		if ( $affected ) {
-			wfIncrStats( 'job-dup-delete', $affected );
-		}
+	/**
+	 * @see JobQueue::deduplicateRootJob()
+	 * @return bool
+	 * @since 1.22
+	 */
+	public function hasRootJobParams() {
+		return isset( $this->params['rootJobSignature'] )
+			&& isset( $this->params['rootJobTimestamp'] );
+	}
+
+	/**
+	 * Insert a single job into the queue.
+	 * @return bool true on success
+	 * @deprecated since 1.21
+	 */
+	public function insert() {
+		return JobQueueGroup::singleton()->push( $this );
 	}
 
 	/**
 	 * @return string
 	 */
-	function toString() {
+	public function toString() {
 		$paramString = '';
 		if ( $this->params ) {
 			foreach ( $this->params as $key => $value ) {
 				if ( $paramString != '' ) {
 					$paramString .= ' ';
 				}
+				if ( is_array( $value ) ) {
+					$value = "array(" . count( $value ) . ")";
+				} elseif ( is_object( $value ) && !method_exists( $value, '__toString' ) ) {
+					$value = "object(" . get_class( $value ) . ")";
+				}
+				$value = (string)$value;
+				if ( mb_strlen( $value ) > 1024 ) {
+					$value = "string(" . mb_strlen( $value ) . ")";
+				}
+
 				$paramString .= "$key=$value";
 			}
 		}
@@ -441,7 +315,7 @@ abstract class Job {
 		$this->error = $error;
 	}
 
-	function getLastError() {
+	public function getLastError() {
 		return $this->error;
 	}
 }