Class: MCollective::Aggregate::Summary

Inherits:
Base
  • Object
show all
Defined in:
lib/mcollective/aggregate/summary.rb

Instance Attribute Summary

Attributes inherited from Base

#action, #aggregate_format, #arguments, #name, #output_name, #result

Instance Method Summary collapse

Methods inherited from Base

#initialize, #result_class

Constructor Details

This class inherits a constructor from MCollective::Aggregate::Base

Instance Method Details

#add_value(value) ⇒ Object 



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# File 'lib/mcollective/aggregate/summary.rb', line 25

def add_value(value)
  if @result[:value].keys.include?(value)
    @result[:value][value] += 1
  else
    @result[:value][value] = 1
  end
end

#process_result(value, reply) ⇒ Object

Increments the value field if value has been seen before Else create a new value field



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# File 'lib/mcollective/aggregate/summary.rb', line 15

def process_result(value, reply)
  unless value.nil?
    if value.is_a? Array
      value.map{|val| add_value(val)}
    else
      add_value(value)
    end
  end
end

#startup_hook ⇒ Object

Before function is run processing



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# File 'lib/mcollective/aggregate/summary.rb', line 5

def startup_hook
  @result[:value] = {}
  @result[:type] = :collection

  # set default aggregate_format if it is undefined
  @aggregate_format = :calculate unless @aggregate_format
end

#summarize ⇒ Object 



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# File 'lib/mcollective/aggregate/summary.rb', line 33

def summarize
  if @aggregate_format == :calculate
    max_key_length = @result[:value].keys.map do |k|

      # Response values retain their types. Here we check
      # if the response is a string and turn it into a string
      # if it isn't one.
      if k.respond_to?(:length)
        k.length
      elsif k.respond_to?(:to_s)
        k.to_s.length
      end
    end.max
    @aggregate_format = "%#{max_key_length}s = %s"
  end

  super
end