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Diffstat (limited to 'activejob/lib/active_job/callbacks.rb')
| -rw-r--r-- | activejob/lib/active_job/callbacks.rb | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/activejob/lib/active_job/callbacks.rb b/activejob/lib/active_job/callbacks.rb new file mode 100644 index 0000000000..2b6149e84e --- /dev/null +++ b/activejob/lib/active_job/callbacks.rb @@ -0,0 +1,146 @@ +require 'active_support/callbacks' + +module ActiveJob + # = Active Job Callbacks + # + # Active Job provides hooks during the life cycle of a job. Callbacks allow you + # to trigger logic during the life cycle 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 |