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These methods will be included into any Active Job object, adding callbacks for perform and enqueue methods.

Methods
A
B
Instance Public methods
after_enqueue(*filters, &blk)

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
# File activejob/lib/active_job/callbacks.rb, line 128
def after_enqueue(*filters, &blk)
  set_callback(:enqueue, :after, *filters, &blk)
end
after_perform(*filters, &blk)

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
# File activejob/lib/active_job/callbacks.rb, line 70
def after_perform(*filters, &blk)
  set_callback(:perform, :after, *filters, &blk)
end
around_enqueue(*filters, &blk)

Defines a callback that will get called around the enqueueing of the job.

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
# File activejob/lib/active_job/callbacks.rb, line 149
def around_enqueue(*filters, &blk)
  set_callback(:enqueue, :around, *filters, &blk)
end
around_perform(*filters, &blk)

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
# File activejob/lib/active_job/callbacks.rb, line 90
def around_perform(*filters, &blk)
  set_callback(:perform, :around, *filters, &blk)
end
before_enqueue(*filters, &blk)

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
# File activejob/lib/active_job/callbacks.rb, line 109
def before_enqueue(*filters, &blk)
  set_callback(:enqueue, :before, *filters, &blk)
end
before_perform(*filters, &blk)

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
# File activejob/lib/active_job/callbacks.rb, line 51
def before_perform(*filters, &blk)
  set_callback(:perform, :before, *filters, &blk)
end