Class: ProcessQueue

Inherits:
PartyProxy show all
Defined in:
lib/threadparty/partyproxies/processqueue.rb

Instance Method Summary collapse

Methods inherited from PartyProxy

dsl_accessor, dsl_method, is_proxy, #threaded

Constructor Details

#initialize ⇒ ProcessQueue

Returns a new instance of ProcessQueue.



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# File 'lib/threadparty/partyproxies/processqueue.rb', line 9

def initialize
  super
  @modify_queue = false
end

Instance Method Details

#execute(queue_override = nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/threadparty/partyproxies/processqueue.rb', line 14

def execute(queue_override = nil)
  raise ArgumentError, 'I don\'t have a perform' unless @perform

  process_queue = Queue.new()
  result_queue = Queue.new()

  #Oldstuff gets pushed in first
  [queue_override, @queue].each do |possible_things|
    case possible_things
    when Queue
      possible_things.to_a!
    else
      possible_things.to_a
    end.each do |thing|
      process_queue.push(thing)
    end
  end

  threaded do |number|
    while item = process_queue.pop(true)
      case @perform.arity
      when 0
        result_queue << @perform.call()
      when 1
        result_queue << @perform.call(
            @modify_queue ? process_queue : item
          )
      else
        result_queue << @perform.call(
            @modify_queue ? process_queue : item,
            *item
          )
      end
    end
  end
  result_queue.to_a!
end