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Package wq-redis
Short Description A Redis module for mle86/wq using the phpredis extension
License MIT
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Informations about the package wq-redis
WQ-Redis (mle86/wq-redis)
This package contains the PHP class
mle86\WQ\WorkServerAdapter\RedisWorkServer.
It supplements the
mle86/wq package
by implementing its WorkServerAdapter interface.
It connects to a Redis server using the phpredis extension.
Version and Compatibility
This is
version 1.0.2
of mle86/wq-redis.
It was developed for
version 1.0.0
of mle86/wq
and should be compatible
with all of its future 1.x versions as well.
Installation and Dependencies
It depends on PHP 7.1, mle86/wq, and the phpredis extension.
Class reference
(class mle86\WQ\WorkServerAdapter\RedisWorkServer implements WorkServerAdapter)
It connects to a Redis server.
Because Redis does not have delayed entries, reserved entries, or buried entries, this class uses several custom workarounds to emulate those features.
For every $workQueue used,
this class will create multiple Redis keys:
_wq.$workQueue(ready jobs – List)_wq_delay.$workQueue(delayed jobs – Ordered Set)_wq_buried.$workQueue(buried jobs – List)
The delaying mechanism was inspired by this StackOverflow response.
public function __construct (\Redis $serverConnection)
Takes an already-configuredRedisinstance to work with. Does not attempt to establish a connection itself – use theconnect()factory method for that instead or do it withRedis::connect()prior to using this constructor.public function connect ($host = "localhost", $port = 6379, $timeout = 0.0, $retry_interval = 0)
Factory method. This will create a newRedisinstance by itself.
SeeRedis::connect()for the parameter descriptions.
Interface methods
which are documented in the WorkServerAdapter interface:
public function storeJob (string $workQueue, Job $job, int $delay = 0)public function getNextQueueEntry ($workQueue, int $timeout = DEFAULT_TIMEOUT) : ?QueueEntrypublic function buryEntry (QueueEntry $entry)public function requeueEntry (QueueEntry $entry, int $delay, string $workQueue = null)public function deleteEntry (QueueEntry $entry)
Usage example
This executes all jobs available in the local Redis server's “webhook” queue, forever.
It will however abort if one of the jobs throws an exception –
you might want to add a logging try-catch block around the processNextJob() call
as shown in WQ's “Quick Start” example.
