Class: Delayed::Lifecycle

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

Constant Summary collapse

EVENTS = 
{
  create: [:args],
  error: %i[worker job exception],
  exceptional_exit: %i[worker exception],
  execute: [:worker],
  invoke_job: [:job],
  loop: [:worker],
  perform: %i[worker job],
  pop: [:worker],
  retry: %i[worker job exception],
  work_queue_pop: %i[work_queue worker_config],
  check_for_work: [:work_queue]
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Lifecycle

Returns a new instance of Lifecycle.



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# File 'lib/delayed/lifecycle.rb', line 21

def initialize
  reset!
end

Instance Method Details

#after(event, &block) ⇒ Object 



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# File 'lib/delayed/lifecycle.rb', line 37

def after(event, &block)
  add(:after, event, &block)
end

#around(event, &block) ⇒ Object 



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# File 'lib/delayed/lifecycle.rb', line 41

def around(event, &block)
  add(:around, event, &block)
end

#before(event, &block) ⇒ Object 



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# File 'lib/delayed/lifecycle.rb', line 33

def before(event, &block)
  add(:before, event, &block)
end

#reset! ⇒ Object 



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# File 'lib/delayed/lifecycle.rb', line 25

def reset!
  @callbacks = EVENTS.keys.each_with_object({}) do |e, hash|
    hash[e] = Callback.new
    hash
  end
  Delayed::Worker.plugins.each(&:reset!)
end

#run_callbacks(event, *args, &block) ⇒ Object 



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# File 'lib/delayed/lifecycle.rb', line 45

def run_callbacks(event, *args, &block)
  missing_callback(event) unless @callbacks.key?(event)

  unless EVENTS[event].size == args.size
    raise ArgumentError, "Callback #{event} expects #{EVENTS[event].size} parameter(s): #{EVENTS[event].join(", ")}"
  end

  @callbacks[event].execute(*args, &block)
end