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require 'active_support/callbacks'
module ActiveJob
# = Active Job Callbacks
#
# Active Job provides hooks during the lifecycle of a job. Callbacks allow you
# to trigger logic during the lifecycle of a job. Available callbacks are:
#
# * <tt>before_enqueue</tt>
# * <tt>around_enqueue</tt>
# * <tt>after_enqueue</tt>
# * <tt>before_perform</tt>
# * <tt>around_perform</tt>
# * <tt>after_perform</tt>
#
module Callbacks
extend ActiveSupport::Concern
include ActiveSupport::Callbacks
included do
define_callbacks :perform
define_callbacks :enqueue
end
# These methods will be included into any Active Job object, adding
# callbacks for +perform+ and +enqueue+ methods.
module ClassMethods
# Defines a callback that will get called right before the
# job's perform method is executed.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# before_perform do |job|
# UserMailer.notify_video_started_processing(job.arguments.first)
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def before_perform(*filters, &blk)
set_callback(:perform, :before, *filters, &blk)
end
# Defines a callback that will get called right after the
# job's perform method has finished.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# after_perform do |job|
# UserMailer.notify_video_processed(job.arguments.first)
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def after_perform(*filters, &blk)
set_callback(:perform, :after, *filters, &blk)
end
# Defines a callback that will get called around the job's perform method.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# around_perform do |job, block|
# UserMailer.notify_video_started_processing(job.arguments.first)
# block.call
# UserMailer.notify_video_processed(job.arguments.first)
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def around_perform(*filters, &blk)
set_callback(:perform, :around, *filters, &blk)
end
# Defines a callback that will get called right before the
# job is enqueued.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# before_enqueue do |job|
# $statsd.increment "enqueue-video-job.try"
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def before_enqueue(*filters, &blk)
set_callback(:enqueue, :before, *filters, &blk)
end
# Defines a callback that will get called right after the
# job is enqueued.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# after_enqueue do |job|
# $statsd.increment "enqueue-video-job.success"
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def after_enqueue(*filters, &blk)
set_callback(:enqueue, :after, *filters, &blk)
end
# Defines a callback that will get called before and after the
# job is enqueued.
#
# class VideoProcessJob < ActiveJob::Base
# queue_as :default
#
# around_enqueue do |job, block|
# $statsd.time "video-job.process" do
# block.call
# end
# end
#
# def perform(video_id)
# Video.find(video_id).process
# end
# end
#
def around_enqueue(*filters, &blk)
set_callback(:enqueue, :around, *filters, &blk)
end
end
end
end
|
