Class: Delayed::Worker

Inherits:
Object
  • Object
show all
Defined in:
lib/delayed/worker.rb

Constant Summary collapse

SLEEP = 
5

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Worker

Returns a new instance of Worker.



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# File 'lib/delayed/worker.rb', line 13

def initialize(options={})
  @quiet = options[:quiet]
  @idle_after = options[:idle_after] || 60
  Delayed::Job.min_priority = options[:min_priority] if options.has_key?(:min_priority)
  Delayed::Job.max_priority = options[:max_priority] if options.has_key?(:max_priority)
end

Instance Attribute Details

#idle_after ⇒ Object (readonly)

Returns the value of attribute idle_after.



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# File 'lib/delayed/worker.rb', line 5

def idle_after
  @idle_after
end

#next_idle ⇒ Object (readonly)

Returns the value of attribute next_idle.



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# File 'lib/delayed/worker.rb', line 5

def next_idle
  @next_idle
end

Instance Method Details

#say(text) ⇒ Object 



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# File 'lib/delayed/worker.rb', line 58

def say(text)
  puts text unless @quiet
  logger.info text if logger
end

#start ⇒ Object 



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# File 'lib/delayed/worker.rb', line 20

def start
  say "*** Starting job worker #{Delayed::Job.worker_name}"
  
  trap('TERM') { say 'Exiting...'; $exit = true }
  trap('INT')  { say 'Exiting...'; $exit = true }
  
  @next_idle = Time.new + @idle_after
  
  loop do
    result = nil

    realtime = Benchmark.realtime do
      result = Delayed::Job.work_off
    end

    count = result.sum

    break if $exit

    if count.zero?
      sleep(SLEEP)
    else
      @next_idle = Time.new + @idle_after
      say "#{count} jobs processed at %.4f j/s, %d failed ..." % [count / realtime, result.last]
    end
    
    if Time.new > @next_idle
      @next_idle = Time.new + @idle_after
      on_idle
    end
    
    break if $exit
  end

ensure
  Delayed::Job.clear_locks!
end