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Contents

# frozen_string_literal: true

module Karafka
  module Connection
    # Abstraction layer around listeners batch.
    class ListenersBatch
      include Enumerable

      # @param jobs_queue [JobsQueue]
      # @return [ListenersBatch]
      def initialize(jobs_queue)
        @batch = App.subscription_groups.flat_map do |_consumer_group, subscription_groups|
          consumer_group_status = Connection::ConsumerGroupStatus.new(
            subscription_groups.size
          )

          subscription_groups.map do |subscription_group|
            Connection::Listener.new(
              consumer_group_status,
              subscription_group,
              jobs_queue
            )
          end
        end
      end

      # Iterates over available listeners and yields each listener
      # @param block [Proc] block we want to run
      def each(&block)
        @batch.each(&block)
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version Path
karafka-2.0.18 lib/karafka/connection/listeners_batch.rb