Class: TranscodingMachine::ResultQueue

Inherits:
Object
  • Object
show all
Defined in:
lib/transcoding_machine/client/result_queue.rb

Instance Method Summary collapse

Constructor Details

#initialize(logger = nil) ⇒ ResultQueue

Returns a new instance of ResultQueue.



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# File 'lib/transcoding_machine/client/result_queue.rb', line 5

def initialize(logger = nil)
  @sqs = RightAws::SqsGen2.new
  @consuming = false
  @logger = logger
end

Instance Method Details

#consume_message(message, &block) ⇒ Object 



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# File 'lib/transcoding_machine/client/result_queue.rb', line 35

def consume_message(message, &block)
  message_properties = YAML.load(message.body)
  
  begin
    yield(message_properties)
  rescue Exception => e
    @logger.error(e) if @logger
  end
  
  @last_active_at = Time.now
end

#consume_queue(queue, &block) ⇒ Object 



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# File 'lib/transcoding_machine/client/result_queue.rb', line 23

def consume_queue(queue, &block)
  puts "consuming queue #{queue.name}"
  number_of_consumed_messages = 0
  
  while message = queue.pop
    consume_message(message, &block)
    number_of_consumed_messages += 1
  end
  sleep(5) if number_of_consumed_messages == 0
  number_of_consumed_messages
end

#start_consuming(queue_names, &block) ⇒ Object 



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# File 'lib/transcoding_machine/client/result_queue.rb', line 11

def start_consuming(queue_names, &block)
  @queue_names = queue_names.compact.uniq
  @queues = @queue_names.map {|name| @sqs.queue(name) }
  @consuming = true
  
  while(@consuming)
    @queues.map do |queue|
      consume_queue(queue, &block)
    end
  end
end