lib/karafka/pro/processing/strategies/lrj/ftr.rb
# frozen_string_literal: true
# This Karafka component is a Pro component under a commercial license.
# This Karafka component is NOT licensed under LGPL.
#
# All of the commercial components are present in the lib/karafka/pro directory of this
# repository and their usage requires commercial license agreement.
#
# Karafka has also commercial-friendly license, commercial support and commercial components.
#
# By sending a pull request to the pro components, you are agreeing to transfer the copyright of
# your code to Maciej Mensfeld.
module Karafka
module Pro
module Processing
module Strategies
module Lrj
# Filtering enabled
# Long-Running Job enabled
#
# In general aside from throttling this one will behave the same way as the Lrj
module Ftr
include Strategies::Ftr::Default
include Strategies::Lrj::Default
# Features for this strategy
FEATURES = %i[
filtering
long_running_job
].freeze
# LRJ standard flow after consumption with potential throttling on success
def handle_after_consume
coordinator.on_finished do |last_group_message|
if coordinator.success?
coordinator.pause_tracker.reset
# Manual pausing has the highest priority
return if coordinator.manual_pause?
# It's not a MoM, so for successful we need to mark as consumed
mark_as_consumed(last_group_message) unless revoked?
# If still not revoked and was throttled, we need to apply throttling logic
if coordinator.filtered? && !revoked?
handle_post_filtering
elsif !revoked? && !coordinator.manual_seek?
# If not revoked and not throttled, we move to where we were suppose to and
# resume
seek(coordinator.seek_offset, false)
resume
else
resume
end
else
# If processing failed, we need to pause
# For long running job this will overwrite the default never-ending pause and
# will cause the processing to keep going after the error backoff
retry_after_pause
end
end
end
end
end
end
end
end
end