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Contents
# 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 Filters
# Expirer for removing too old messages.
# It never moves offsets in any way and does not impact the processing flow. It always
# runs `:skip` action.
class Expirer < Base
# @param ttl [Integer] maximum age of a message (in ms)
def initialize(ttl)
super()
@ttl = ttl
end
# Removes too old messages
#
# @param messages [Array<Karafka::Messages::Message>]
def apply!(messages)
@applied = false
# Time on message is in seconds with ms precision, so we need to convert the ttl that
# is in ms to this format
border = ::Time.now.utc - @ttl / 1_000.to_f
messages.delete_if do |message|
too_old = message.timestamp < border
@applied = true if too_old
too_old
end
end
end
end
end
end
end
Version data entries
60 entries across 60 versions & 1 rubygems