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require 'qu'
module ActiveJob
module QueueAdapters
# == Qu adapter for Active Job
#
# Qu is a Ruby library for queuing and processing background jobs. It is
# heavily inspired by delayed_job and Resque. Qu was created to overcome
# some shortcomings in the existing queuing libraries.
# The advantages of Qu are: Multiple backends (redis, mongo), jobs are
# requeued when worker is killed, resque-like API.
#
# Read more about Qu {here}[https://github.com/bkeepers/qu].
#
# To use Qu set the queue_adapter config to +:qu+.
#
# Rails.application.config.active_job.queue_adapter = :qu
class QuAdapter
def enqueue(job, *args) #:nodoc:
qu_job = Qu::Payload.new(klass: JobWrapper, args: [job.serialize]).tap do |payload|
payload.instance_variable_set(:@queue, job.queue_name)
end.push
# qu_job can be nil depending on the configured backend
job.provider_job_id = qu_job.id unless qu_job.nil?
qu_job
end
def enqueue_at(job, timestamp, *args) #:nodoc:
raise NotImplementedError, "This queueing backend does not support scheduling jobs. To see what features are supported go to http://api.rubyonrails.org/classes/ActiveJob/QueueAdapters.html"
end
class JobWrapper < Qu::Job #:nodoc:
def initialize(job_data)
@job_data = job_data
end
def perform
Base.execute @job_data
end
end
end
end
end
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