Class: EventHub::MessageProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/eventhub/message_processor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(processor) ⇒ MessageProcessor

Returns a new instance of MessageProcessor.



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# File 'lib/eventhub/message_processor.rb', line 4

def initialize(processor)
  @processor = processor
end

Instance Attribute Details

#processor ⇒ Object (readonly)

Returns the value of attribute processor.



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# File 'lib/eventhub/message_processor.rb', line 2

def processor
  @processor
end

Instance Method Details

#process(params, payload) ⇒ Object 



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# File 'lib/eventhub/message_processor.rb', line 8

def process(params, payload)
  messages_to_send = []

  # try to convert to EventHub message
  message = EventHub::Message.from_json(payload)
  EventHub.logger.info("-> #{message.to_s}")

  message.append_to_execution_history(self.processor.name)

  if message.invalid?
    messages_to_send << message
    EventHub.logger.info("-> #{message.to_s} => Put to queue [#{EventHub::EH_X_INBOUND}].")
  else
    # pass received message to handler or dervied handler
    if processor.method(:handle_message).arity == 1
      messages_to_send = Array(processor.handle_message(message))
    else
      messages_to_send = Array(processor.handle_message(message,params))
    end
  end

  messages_to_send
end