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# 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
# Uses the jobs queue API to lock (pause) and unlock (resume) operations of a given
# subscription group. It is abstracted away from jobs queue on this layer because we do
# not want to introduce jobs queue as a concept to the consumers layer
class SubscriptionGroupsCoordinator
include Singleton
# @param subscription_group [Karafka::Routing::SubscriptionGroup] subscription group we
# want to pause
# @param lock_id [Object] key we want to use if we want to set multiple locks on the same
# subscription group
# @param kwargs [Object] Any keyword arguments accepted by the jobs queue lock.
def pause(subscription_group, lock_id = nil, **kwargs)
jobs_queue.lock_async(
subscription_group.id,
lock_id,
**kwargs
)
end
# @param subscription_group [Karafka::Routing::SubscriptionGroup] subscription group we
# want to resume
# @param lock_id [Object] lock id (if it was used to pause)
def resume(subscription_group, lock_id = nil)
jobs_queue.unlock_async(subscription_group.id, lock_id)
end
private
# @return [Karafka::Pro::Processing::JobsQueue]
def jobs_queue
@jobs_queue ||= Karafka::Server.jobs_queue
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems