class RailsBand::BaseEvent

def initialize(event)
  @event = event
  @name = event.name
  @time = event.time
  @end = event.end
  @transaction_id = event.transaction_id
  @cpu_time = event.cpu_time
  @idle_time = event.idle_time
  @allocations = event.allocations
  @duration = event.duration
end

def non_hash_keys
  @non_hash_keys ||= []
end

def slice(*args)
  to_h.slice(*args)
end

def to_h
  @to_h ||= {
    name: @name, time: @time, end: @end, transaction_id: @transaction_id,
    cpu_time: @cpu_time, idle_time: @idle_time, allocations: @allocations, duration: @duration
  }.merge!(
    public_methods(false).reject { |meth| non_hash_keys.include?(meth) }.each_with_object({}) do |meth, h|
      h[meth] = public_send(meth)
    end
  )
end