Module: Deimos::Consume::MessageConsumption

Extended by:
ActiveSupport::Concern
Includes:
Phobos::Handler
Included in:
Deimos::Consumer
Defined in:
lib/deimos/consume/message_consumption.rb

Overview

Methods used by message-by-message (non-batch) consumers. These consumers are invoked for every individual message.

Instance Method Summary collapse

Instance Method Details

#around_consume(payload, metadata) ⇒ void

This method returns an undefined value.

Parameters:

  • payload (String)
  • metadata (Hash) 


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# File 'lib/deimos/consume/message_consumption.rb', line 14

def around_consume(payload, metadata)
  decoded_payload = payload.nil? ? nil : payload.dup
  new_metadata = metadata.dup
  benchmark = Benchmark.measure do
    _with_span do
      new_metadata[:key] = decode_key(metadata[:key]) if self.class.config[:key_configured]
      decoded_payload = decode_message(payload)
      _received_message(decoded_payload, new_metadata)
      yield(decoded_payload, new_metadata)
    end
  end
  _handle_success(benchmark.real, decoded_payload, new_metadata)
rescue StandardError => e
  _handle_error(e, decoded_payload, new_metadata)
end

#consume(_payload, _metadata) ⇒ void

This method returns an undefined value.

Consume incoming messages.

Parameters:

  • _payload (String)
  • _metadata (Hash)

Raises:

  • (NotImplementedError) 


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# File 'lib/deimos/consume/message_consumption.rb', line 34

def consume(_payload, _metadata)
  raise NotImplementedError
end