class Qu::Delayed::Worker

Public Instance Methods

handle_signals() click to toggle source
# File lib/qu/delayed/worker.rb, line 15
def handle_signals
  logger.debug "Sheduler #{id} registering traps for INT and TERM signals"
  %W(INT TERM).each do |sig|
    trap(sig) do
      logger.info "Sheduler #{id} received #{sig}, shutting down"
      raise Abort
    end
  end
end
hostname() click to toggle source
# File lib/qu/delayed/worker.rb, line 59
def hostname
  @hostname ||= `hostname`.strip
end
id() click to toggle source
# File lib/qu/delayed/worker.rb, line 51
def id
  @id ||= "#{hostname}:#{pid}"
end
pid() click to toggle source
# File lib/qu/delayed/worker.rb, line 55
def pid
  @pid ||= Process.pid
end
poll_frequency() click to toggle source
# File lib/qu/delayed/worker.rb, line 11
def poll_frequency
  Qu.backend.poll_frequency
end
start() click to toggle source
# File lib/qu/delayed/worker.rb, line 41
def start
  logger.warn "Sheduler #{id} starting"
  handle_signals
  loop { work }
rescue Abort => e
  # Ok, we'll shut down, but give us a sec
ensure
  logger.debug "Sheduler #{id} done"
end
work(options = {:block => true}) click to toggle source
# File lib/qu/delayed/worker.rb, line 25
def work(options = {:block => true})
  loop do
    logger.debug { "Getting next delayed job" }

    if payload = Qu.backend.next_delayed_job
      return Qu.backend.enqueue(payload)
    end

    if options[:block]
      sleep poll_frequency
    else
      break
    end
  end
end