Class: Actor::Messaging::Queue::Substitute

Inherits:
Object
  • Object
show all
Defined in:
lib/actor/messaging/queue/substitute.rb

Defined Under Namespace

Classes: Record

Constant Summary collapse

WouldBlockError = 
Class.new(StandardError)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Substitute

Returns a new instance of Substitute.



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# File 'lib/actor/messaging/queue/substitute.rb', line 5

def initialize
  @enqueued_records = []
end

Class Method Details

.build ⇒ Object 



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# File 'lib/actor/messaging/queue/substitute.rb', line 9

def self.build
  instance = new
  instance
end

Instance Method Details

#deq(non_block = nil) ⇒ Object 



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# File 'lib/actor/messaging/queue/substitute.rb', line 14

def deq(non_block=nil)
  if non_block
    raise ThreadError
  else
    raise WouldBlockError
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actor/messaging/queue/substitute.rb', line 22

def empty?
  true
end

#enq(message, non_block = nil) ⇒ Object 



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# File 'lib/actor/messaging/queue/substitute.rb', line 26

def enq(message, non_block=nil)
  non_block = false if non_block.nil?

  record = Record.new(message, non_block)
  @enqueued_records << record
  record
end

#enqueued?(message = nil, wait: nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actor/messaging/queue/substitute.rb', line 34

def enqueued?(message=nil, wait: nil)
  @enqueued_records.any? do |record|
    next unless message.nil? or record.message == message
    next unless wait.nil? or record.non_block == !wait

    true
  end
end

#max ⇒ Object 



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# File 'lib/actor/messaging/queue/substitute.rb', line 43

def max
  Float::INFINITY
end

#size ⇒ Object 



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# File 'lib/actor/messaging/queue/substitute.rb', line 47

def size
  0
end