Method: PerfectQueue::Engine#restart

Defined in:
lib/perfectqueue/engine.rb

#restart(immediate, config) ⇒ Object 



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# File 'lib/perfectqueue/engine.rb', line 43

def restart(immediate, config)
  return nil if @finish_flag.set?

  # TODO connection check

  @log = config[:logger] || Logger.new(STDERR)

  num_processors = config[:processors] || 1

  # scaling
  extra = num_processors - @processors.length
  if extra > 0
    extra.times do
      @processors << @processor_class.new(@runner, @processors.size+1, config)
    end
  elsif extra < 0
    -extra.times do
      c = @processors.shift
      c.stop(immediate)
      c.join
    end
    extra = 0
  end

  @processors[0..(-extra-1)].each {|c|
    c.restart(immediate, config)
  }

  @child_keepalive_interval = (config[:child_keepalive_interval] || config[:child_heartbeat_interval] || 2).to_i

  self
end