Module: Vx::Common::AMQP::Consumer::Subscribe

Included in:
ClassMethods
Defined in:
lib/vx/common/amqp/consumer/subscribe.rb

Instance Method Summary collapse

Instance Method Details

#pop(q) ⇒ Object 



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# File 'lib/vx/common/amqp/consumer/subscribe.rb', line 32

def pop(q)
  unpacked = nil
  delivery_info, properties, payload = q.pop(ack: ack)

  instrumentation = {
    properties:    properties,
    consumer_id:   consumer_id,
    consumer:      consumer_name
  }

  if payload
    instrument("unpacking.consumer.amqp", instrumentation) do
      unpacked = deserialize_message properties, payload
    end
  end

  [unpacked, delivery_info, properties]
end

#start ⇒ Object 



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# File 'lib/vx/common/amqp/consumer/subscribe.rb', line 14

def start
  rs = nil
  session.open
  session.with_channel do
    x = declare_exchange
    q = declare_queue

    instrumentation = { exchange: x.name, queue: q.name, consumer: consumer_id }
    instrument("start.consumer.amqp", instrumentation)

    q.bind(x, bind_options)
    rs = yield(x, q) if block_given?

    instrument("shutdown.consumer.amqp", instrumentation)
  end
  rs
end

#subscribe ⇒ Object 



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# File 'lib/vx/common/amqp/consumer/subscribe.rb', line 8

def subscribe
  start do |x, q|
    subscription_loop q
  end
end