Class to handle enqueueing of background jobs. More...

Collaboration diagram for JobQueueGroup:

[legend]

Public Member Functions
	__construct ( $domain, ConfiguredReadOnlyMode $readOnlyMode, bool $invalidDomain, array $jobClasses, array $jobTypeConfiguration, array $jobTypesExcludedFromDefaultQueue, IBufferingStatsdDataFactory $statsdDataFactory, WANObjectCache $wanCache, GlobalIdGenerator $globalIdGenerator)

	ack (RunnableJob $job)
	Acknowledge that a job was completed. More...

	deduplicateRootJob (RunnableJob $job)
	Register the "root job" of a given job into the queue for de-duplication. More...

	get ( $type)
	Get the job queue object for a given queue type. More...

	getDefaultQueueTypes ()
	Get the list of default queue types. More...

	getQueueSizes ()
	Get the size of the queues for a list of job types. More...

	getQueuesWithJobs ()
	Get the list of job types that have non-empty queues. More...

	getQueueTypes ()
	Get the list of queue types. More...

	lazyPush ( $jobs)
	Buffer jobs for insertion via push() or call it now if in CLI mode. More...

	pop ( $qtype=self::TYPE_DEFAULT, $flags=0, array $ignored=[])
	Pop a job off one of the job queues. More...

	push ( $jobs)
	Insert jobs into the respective queues of which they belong. More...

	queuesHaveJobs ( $type=self::TYPE_ANY)
	Check if there are any queues with jobs (this is cached) More...

	waitForBackups ()
	Wait for any replica DBs or backup queue servers to catch up. More...

Public Attributes
const	TYPE_DEFAULT = 1

const	USE_CACHE = 1

Protected Member Functions
	getCoalescedQueues ()

Protected Attributes
MapCacheLRU	$cache

array	$coalescedQueues
	Map of (bucket => (queue => JobQueue, types => list of types) More...

string	$domain
	Wiki domain ID. More...

bool	$invalidDomain = false
	Whether the wiki is not recognized in configuration. More...

ConfiguredReadOnlyMode	$readOnlyMode
	Read only mode. More...

Detailed Description

Class to handle enqueueing of background jobs.

Since: 1.21

Definition at line 32 of file JobQueueGroup.php.

Constructor & Destructor Documentation

◆ __construct()

JobQueueGroup::__construct	(		$domain,
		ConfiguredReadOnlyMode	$readOnlyMode,
		bool	$invalidDomain,
		array	$jobClasses,
		array	$jobTypeConfiguration,
		array	$jobTypesExcludedFromDefaultQueue,
		IBufferingStatsdDataFactory	$statsdDataFactory,
		WANObjectCache	$wanCache,
		GlobalIdGenerator	$globalIdGenerator
	)

Access: internal: Use MediaWikiServices::getJobQueueGroupFactory

Parameters

string	$domain	Wiki domain ID
ConfiguredReadOnlyMode	$readOnlyMode	Read-only mode
bool	$invalidDomain	Whether the wiki is not recognized in configuration
array	$jobClasses
array	$jobTypeConfiguration
array	$jobTypesExcludedFromDefaultQueue
IBufferingStatsdDataFactory	$statsdDataFactory
WANObjectCache	$wanCache
GlobalIdGenerator	$globalIdGenerator

Definition at line 80 of file JobQueueGroup.php.

References $domain, $invalidDomain, and $readOnlyMode.

Member Function Documentation

◆ ack()

JobQueueGroup::ack ( RunnableJob $job )

Acknowledge that a job was completed.

Parameters

RunnableJob $job

Returns: void

Definition at line 279 of file JobQueueGroup.php.

References $job, and IJobSpecification\getType().

◆ deduplicateRootJob()

JobQueueGroup::deduplicateRootJob ( RunnableJob $job )

Register the "root job" of a given job into the queue for de-duplication.

This should only be called right after all the new jobs have been inserted.

Parameters

RunnableJob $job

Returns: bool

Definition at line 290 of file JobQueueGroup.php.

References $job, and IJobSpecification\getType().

◆ get()

JobQueueGroup::get ( $type )

Get the job queue object for a given queue type.

Parameters

string $type

Returns: JobQueue

Definition at line 109 of file JobQueueGroup.php.

References $domain, $type, and JobQueue\factory().

◆ getCoalescedQueues()

JobQueueGroup::getCoalescedQueues ( )

protected

Returns: array[]

Definition at line 402 of file JobQueueGroup.php.

References $coalescedQueues, $domain, $queue, $type, JobQueue\factory(), and getQueueTypes().

Referenced by getQueueSizes(), and getQueuesWithJobs().

◆ getDefaultQueueTypes()

JobQueueGroup::getDefaultQueueTypes ( )

Get the list of default queue types.

Returns: string[]

Definition at line 322 of file JobQueueGroup.php.

References getQueueTypes().

Referenced by pop(), and queuesHaveJobs().

◆ getQueueSizes()

JobQueueGroup::getQueueSizes ( )

Get the size of the queues for a list of job types.

Returns: int[] Map of (job type => size)

Definition at line 380 of file JobQueueGroup.php.

References $queue, $type, getCoalescedQueues(), and getQueueTypes().

◆ getQueuesWithJobs()

JobQueueGroup::getQueuesWithJobs ( )

Get the list of job types that have non-empty queues.

Returns: string[] List of job types that have non-empty queues

Definition at line 355 of file JobQueueGroup.php.

References $queue, $type, getCoalescedQueues(), and getQueueTypes().

Referenced by pop(), and queuesHaveJobs().

◆ getQueueTypes()

JobQueueGroup::getQueueTypes ( )

Get the list of queue types.

Returns: string[]

Definition at line 313 of file JobQueueGroup.php.

Referenced by getCoalescedQueues(), getDefaultQueueTypes(), getQueueSizes(), and getQueuesWithJobs().

◆ lazyPush()

JobQueueGroup::lazyPush ( $jobs )

Buffer jobs for insertion via push() or call it now if in CLI mode.

Parameters

IJobSpecification | IJobSpecification[] $jobs A single Job or a list of Jobs

Returns: void

Since: 1.26

Definition at line 198 of file JobQueueGroup.php.

References DeferredUpdates\addUpdate(), and push().

◆ pop()

JobQueueGroup::pop	(		$qtype = `self::TYPE_DEFAULT`,
			$flags = `0`,
		array	$ignored = `[]`
	)

Pop a job off one of the job queues.

This pops a job off a queue as specified by $wgJobTypeConf and updates the aggregate job queue information cache as needed.

Parameters

int \| string	$qtype	JobQueueGroup::TYPE_* constant or job type string
int	$flags	Bitfield of JobQueueGroup::USE_* constants
array	$ignored	List of job types to ignore

Returns: RunnableJob|false Returns false on failure

Definition at line 228 of file JobQueueGroup.php.

References $job, $type, getDefaultQueueTypes(), getQueuesWithJobs(), and WikiMap\isCurrentWikiDbDomain().

◆ push()

JobQueueGroup::push ( $jobs )

Insert jobs into the respective queues of which they belong.

This inserts the jobs into the queue specified by $wgJobTypeConf and updates the aggregate job queue information cache as needed.

Parameters

IJobSpecification | IJobSpecification[] $jobs A single Job or a list of Jobs

Exceptions

InvalidArgumentException

Returns: void

Definition at line 133 of file JobQueueGroup.php.

References $cache, $job, $type, ObjectCache\getLocalClusterInstance(), MWExceptionHandler\logException(), and MapCacheLRU\set().

Referenced by lazyPush().

◆ queuesHaveJobs()

JobQueueGroup::queuesHaveJobs ( $type = self::TYPE_ANY )

Check if there are any queues with jobs (this is cached)

Parameters

int $type JobQueueGroup::TYPE_* constant

Returns: bool

Since: 1.23

Definition at line 333 of file JobQueueGroup.php.

References $cache, $type, MapCacheLRU\get(), getDefaultQueueTypes(), ObjectCache\getLocalClusterInstance(), and getQueuesWithJobs().

◆ waitForBackups()

JobQueueGroup::waitForBackups ( )

Wait for any replica DBs or backup queue servers to catch up.

This does nothing for certain queue classes.

Returns: void

Definition at line 301 of file JobQueueGroup.php.

References $type.

Member Data Documentation

◆ $cache

MapCacheLRU JobQueueGroup::$cache

protected

Definition at line 34 of file JobQueueGroup.php.

Referenced by push(), and queuesHaveJobs().

◆ $coalescedQueues

array JobQueueGroup::$coalescedQueues

protected

Map of (bucket => (queue => JobQueue, types => list of types)

Definition at line 56 of file JobQueueGroup.php.

Referenced by getCoalescedQueues().

◆ $domain

string JobQueueGroup::$domain

protected

Wiki domain ID.

Definition at line 37 of file JobQueueGroup.php.

Referenced by __construct(), get(), and getCoalescedQueues().

◆ $invalidDomain

bool JobQueueGroup::$invalidDomain = false

protected

Whether the wiki is not recognized in configuration.

Definition at line 41 of file JobQueueGroup.php.

Referenced by __construct().

◆ $readOnlyMode

ConfiguredReadOnlyMode JobQueueGroup::$readOnlyMode

protected

Read only mode.

Definition at line 39 of file JobQueueGroup.php.

Referenced by __construct().

◆ TYPE_DEFAULT

const JobQueueGroup::TYPE_DEFAULT = 1

Definition at line 58 of file JobQueueGroup.php.

Referenced by JobRunner\run().

◆ USE_CACHE

const JobQueueGroup::USE_CACHE = 1

Definition at line 61 of file JobQueueGroup.php.

Referenced by JobRunner\run().

The documentation for this class was generated from the following file:

includes/jobqueue/JobQueueGroup.php

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ ack()

◆ deduplicateRootJob()

◆ get()

◆ getCoalescedQueues()

◆ getDefaultQueueTypes()

◆ getQueueSizes()

◆ getQueuesWithJobs()

◆ getQueueTypes()

◆ lazyPush()

◆ pop()

◆ push()

◆ queuesHaveJobs()

◆ waitForBackups()

Member Data Documentation

◆ $cache

◆ $coalescedQueues

◆ $domain

◆ $invalidDomain

◆ $readOnlyMode

◆ TYPE_DEFAULT

◆ USE_CACHE