Class: Tronprint::Statistics

Inherits:

Object

• Object
• Tronprint::Statistics

show all

Defined in:

lib/tronprint/statistics.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) aggregator

  Returns the value of attribute aggregator.

• - (Object) cpu_monitor

  Returns the value of attribute cpu_monitor.

Instance Method Summary (collapse)

• - (Object) emission_estimate(from = nil, to = nil)
• - (Object) impact(from = nil, to = nil)

  Calculate emissions using aggregated data.

• - (Statistics) initialize(aggregator, cpu_monitor) constructor

  A new instance of Statistics.

• - (Object) range_duration(from, to)

  Fetch total CPU time (in seconds) for a given range.

• - (Object) total_duration

  Fetch the total CPU time (in seconds) used by the application.

• - (Object) total_electricity

  The total amount of electricity used by the application.

• - (Object) total_footprint

  The total amount of CO2e generated by the application.

• - (Object) total_footprint_methodology

  A URL for the methodology statement of the total_footprint calculation.

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# File 'lib/tronprint/statistics.rb', line 8

def initialize(aggregator, cpu_monitor)
  self.aggregator = aggregator
  self.cpu_monitor = cpu_monitor
end

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# File 'lib/tronprint/statistics.rb', line 6

def aggregator
  @aggregator
end

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# File 'lib/tronprint/statistics.rb', line 6

def cpu_monitor
  @cpu_monitor
end

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# File 'lib/tronprint/statistics.rb', line 34

def emission_estimate(from = nil, to = nil)
  if response = impact(from, to)
    response.decisions.carbon.object.value
  end
end

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# File 'lib/tronprint/statistics.rb', line 26

def impact(from = nil, to = nil)
  duration = from.nil? ? total_duration : range_duration(from, to)

  app = Application.new :zip_code => Tronprint.zip_code, :duration => duration, 
    :brighter_planet_key => Tronprint.brighter_planet_key
  app.impact
end

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# File 'lib/tronprint/statistics.rb', line 19

def range_duration(from, to)
  aggregator.range_total cpu_monitor.key, from, to
end

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# File 'lib/tronprint/statistics.rb', line 14

def total_duration
  aggregator[cpu_monitor.key]
end

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# File 'lib/tronprint/statistics.rb', line 46

def total_electricity
  if response = impact
    impact.decisions.electricity_use.object
  end
end

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# File 'lib/tronprint/statistics.rb', line 41

def total_footprint
  emission_estimate
end

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# File 'lib/tronprint/statistics.rb', line 53

def total_footprint_methodology
  if response = impact
    response.methodology
  end
end