Class: Barbeque::MessageQueue

Inherits:
Object
  • Object
show all
Defined in:
lib/barbeque/message_queue.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(queue_name) ⇒ MessageQueue

Returns a new instance of MessageQueue.



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# File 'lib/barbeque/message_queue.rb', line 8

def initialize(queue_name)
  @job_queue = Barbeque::JobQueue.find_by!(name: queue_name)
  @messages  = []
  @stop      = false
end

Instance Attribute Details

#job_queue ⇒ Object (readonly)

Returns the value of attribute job_queue.



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# File 'lib/barbeque/message_queue.rb', line 6

def job_queue
  @job_queue
end

Instance Method Details

#dequeue ⇒ Barbeque::Message::Base

Receive a message and delete them all from SQS queue immediately. TODO: Stop removing them immediately to implement retry.

Returns:



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# File 'lib/barbeque/message_queue.rb', line 17

def dequeue
  while valid_messages.empty?
    return nil if @stop
    messages = receive_messages
    messages = reject_invalid_messages(messages)
    valid_messages.concat(messages)
  end

  valid_messages.shift.tap do |message|
    delete_message(message)
  end
end

#stop! ⇒ Object 



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# File 'lib/barbeque/message_queue.rb', line 30

def stop!
  @stop = true
end