class Msgr::Binding

Attributes

channel[R]
connection[R]
dispatcher[R]
queue[R]
route[R]
subscription[R]

Public Class Methods

new(connection, route, dispatcher) click to toggle source
# File lib/msgr/binding.rb, line 16
def initialize(connection, route, dispatcher)
  @connection = connection
  @channel    = connection.channel(prefetch: route.prefetch)
  @route      = route
  @dispatcher = dispatcher
  @queue      = @channel.queue(route.name)

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

    queue.bind @channel.exchange, routing_key: key
  end

  subscribe
end

Public Instance Methods

delete() click to toggle source
# File lib/msgr/binding.rb, line 36
def delete
  release
  queue.delete
end
purge(release: true) click to toggle source
# File lib/msgr/binding.rb, line 41
def purge(release: true)
  self.release if release

  queue.purge

  subscribe if release
end
release() click to toggle source
# File lib/msgr/binding.rb, line 32
def release
  subscription.cancel
end

Private Instance Methods

subscribe() click to toggle source
# File lib/msgr/binding.rb, line 51
def subscribe
  @subscription = queue.subscribe(manual_ack: true) do |*args|
    dispatcher.call Message.new(channel, *args, route)
  rescue StandardError => e
    log(:error) do
      "Rescued error from subscribe: #{e.class.name}: " \
      "#{e}\n#{e.backtrace.join("\n")}"
    end
  end
end