Class: Msgr::Binding

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/msgr/binding.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

#log, #log_name

Constructor Details

#initialize(connection, route, dispatcher) ⇒ Binding

Returns a new instance of Binding.



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# File 'lib/msgr/binding.rb', line 8

def initialize(connection, route, dispatcher)
  @connection = connection
  @route      = route
  @dispatcher = dispatcher
  @queue      = connection.queue(route.name)

  route.keys.each do |key|
    log(:debug) { "Bind #{key} to #{queue.name}." }

    queue.bind connection.exchange, routing_key: key
  end

  @subscription = queue.subscribe(ack: true) do |*args|
    begin
      dispatcher.call Message.new(connection, *args, route)
    rescue => err
      log(:error) do
        "Rescued error from subscribe: #{err.class.name}: #{err}\n#{err.backtrace.join("\n")}"
      end
    end
  end
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/msgr/binding.rb', line 6

def connection
  @connection
end

#dispatcher ⇒ Object (readonly)

Returns the value of attribute dispatcher.



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# File 'lib/msgr/binding.rb', line 6

def dispatcher
  @dispatcher
end

#queue ⇒ Object (readonly)

Returns the value of attribute queue.



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# File 'lib/msgr/binding.rb', line 6

def queue
  @queue
end

#route ⇒ Object (readonly)

Returns the value of attribute route.



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# File 'lib/msgr/binding.rb', line 6

def route
  @route
end

#subscription ⇒ Object (readonly)

Returns the value of attribute subscription.



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# File 'lib/msgr/binding.rb', line 6

def subscription
  @subscription
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/msgr/binding.rb', line 35

def delete
  release
  queue.delete
end

#release ⇒ Object 



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# File 'lib/msgr/binding.rb', line 31

def release
  subscription.cancel
end