Class: Sneakers::Handlers::DelayedRetry

Inherits:
Object
  • Object
show all
Defined in:
lib/sneakers/handlers/delayed_retry.rb

Instance Method Summary collapse

Constructor Details

#initialize(channel, queue, opts) ⇒ DelayedRetry

Returns a new instance of DelayedRetry.



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# File 'lib/sneakers/handlers/delayed_retry.rb', line 6

def initialize(channel, queue, opts)
  @worker_queue_name = queue.name
  Sneakers.logger.debug do
    "#{log_prefix} creating handler, opts=#{opts}"
  end

  @channel = channel
  @opts = opts

  error_exchange_name = @opts[:error_exchange_name] || 'error_exchange'
  Sneakers.logger.debug do
    "#{log_prefix} creating exchange=#{error_exchange_name}"
  end
  @error_exchange = @channel.exchange(
    error_exchange_name,
    type: 'direct',
    durable: exchange_durable?
  )

  error_queue_name = @opts[:error_queue_name] || "error.#{@worker_queue_name}"
  Sneakers.logger.debug do
    "#{log_prefix} creating queue=#{error_queue_name}"
  end
  error_queue = @channel.queue(
    error_queue_name,
    durable: queue_durable?
  )

  error_queue.bind(@error_exchange, routing_key: @worker_queue_name)

  @max_retries = @opts[:number_of_retries] || 5
  @sleep_before_retry = @opts[:sleep_before_retry] || 0
  @retriable_errors = @opts[:retriable_errors] || []
  @on_retry = @opts[:on_retry] || proc {}
  @on_error = @opts[:on_error] || proc {}
end

Instance Method Details

#acknowledge(hdr, _props, _msg) ⇒ Object 



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# File 'lib/sneakers/handlers/delayed_retry.rb', line 43

def acknowledge(hdr, _props, _msg)
  @channel.acknowledge(hdr.delivery_tag, false)
end

#error(hdr, props, msg, err) ⇒ Object 



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# File 'lib/sneakers/handlers/delayed_retry.rb', line 55

def error(hdr, props, msg, err)
  handle_retry(hdr, props, msg, err)
end

#noop(hdr, props, msg) ⇒ Object 



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# File 'lib/sneakers/handlers/delayed_retry.rb', line 59

def noop(hdr, props, msg); end

#reject(hdr, props, msg, requeue = false) ⇒ Object 



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# File 'lib/sneakers/handlers/delayed_retry.rb', line 47

def reject(hdr, props, msg, requeue = false)
  if requeue
    @channel.reject(hdr.delivery_tag, requeue)
  else
    handle_retry(hdr, props, msg, :reject)
  end
end