Class: Meerkat::Backend::AMQP

Inherits:
Object
  • Object
show all
Defined in:
lib/meerkat/backend/amqp.rb

Instance Method Summary collapse

Constructor Details

#initialize(amqp_url = 'amqp://guest:guest@localhost') ⇒ AMQP

Returns a new instance of AMQP.



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# File 'lib/meerkat/backend/amqp.rb', line 6

def initialize(amqp_url = 'amqp://guest:guest@localhost')
  @conn = ::AMQP.connect amqp_url
end

Instance Method Details

#publish(topic, json) ⇒ Object 



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# File 'lib/meerkat/backend/amqp.rb', line 10

def publish(topic, json)
  ::AMQP::Channel.new @conn do |ch|
    ch.topic("meerkat").publish(json, :routing_key => topic)
  end
end

#subscribe(topic, &callback) ⇒ Object 



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# File 'lib/meerkat/backend/amqp.rb', line 16

def subscribe(topic, &callback)
  ::AMQP::Channel.new @conn do |ch|
    ch.queue('', :auto_delete => true) do |queue|
      queue.bind(ch.topic("meerkat"), :routing_key => topic)
      queue.subscribe do |headers, payload|
        callback.call headers.routing_key, payload
      end
    end
  end
end

#unsubscribe(channel) ⇒ Object 



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# File 'lib/meerkat/backend/amqp.rb', line 27

def unsubscribe(channel)
  channel.close
end