Class: MQ::Exchange

Inherits:
Object
  • Object
show all
Includes:
AMQP
Defined in:
lib/mq/exchange.rb

Constant Summary

Constants included from AMQP

AMQP::DIR, AMQP::FIELDS, AMQP::HEADER, AMQP::PORT, AMQP::RESPONSES, AMQP::VERSION, AMQP::VERSION_MAJOR, AMQP::VERSION_MINOR

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from AMQP

client, client=, connect, settings, start, stop

Constructor Details

#initialize(mq, type, name, opts = {}) ⇒ Exchange

Returns a new instance of Exchange.



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# File 'lib/mq/exchange.rb', line 5

def initialize mq, type, name, opts = {}
  @mq = mq
  @type, @name = type, name
  @mq.exchanges[@name = name] ||= self
  @key = opts[:key]

  @mq.callback{
    @mq.send Protocol::Exchange::Declare.new({ :exchange => name,
                                               :type => type,
                                               :nowait => true }.merge(opts))
  } unless name == "amq.#{type}" or name == ''
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/mq/exchange.rb', line 17

def key
  @key
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/mq/exchange.rb', line 17

def name
  @name
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/mq/exchange.rb', line 17

def type
  @type
end

Instance Method Details

#publish(data, opts = {}) ⇒ Object 



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# File 'lib/mq/exchange.rb', line 19

def publish data, opts = {}
  @mq.callback{
    @mq.send Protocol::Basic::Publish.new({ :exchange => name,
                                            :routing_key => opts.delete(:key) || @key }.merge(opts))
  
    data = data.to_s

    @mq.send Protocol::Header.new(Protocol::Basic,
                                      data.length, { :content_type => 'application/octet-stream',
                                                     :delivery_mode => (opts.delete(:persistent) ? 2 : 1),
                                                     :priority => 0 }.merge(opts))
    @mq.send Frame::Body.new(data)
  }
  self
end