t.rb

class MyWorker < Ruote::Worker

  def initialize(name, storage, allowed_participants)

    super(name, storage)
    @allowed_participants = allowed_participants
  end

  def process(msg)

    return true if(
      DISP_ACTIONS.include?(msg['action']) &&
      ! @allowed_participants.include?(msg['participant_name']))

    super(msg)
  end
end