Class: ServerTiming::TimingMetric

Inherits:
Object
  • Object
show all
Defined in:
lib/server_timing/timing_metric.rb

Overview

Encapsulates a single metric that should be sent inside the server timing response header.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, duration, description: nil) ⇒ TimingMetric 



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# File 'lib/server_timing/timing_metric.rb', line 14

def initialize(name,duration, description: nil)
  @name        = name
  @duration    = duration
  @description = description
end

Instance Attribute Details

#description ⇒ Object (readonly)

Returns the value of attribute description.



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# File 'lib/server_timing/timing_metric.rb', line 6

def description
  @description
end

#duration ⇒ Object (readonly)

Returns the value of attribute duration.



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# File 'lib/server_timing/timing_metric.rb', line 5

def duration
  @duration
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/server_timing/timing_metric.rb', line 4

def name
  @name
end

Class Method Details

.from_scout(meta, stats) ⇒ Object 



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# File 'lib/server_timing/timing_metric.rb', line 8

def self.from_scout(meta,stats)
  name = meta.type
  duration = stats.total_exclusive_time*1000
  new(name, duration)
end

Instance Method Details

#description_to_header ⇒ Object 



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# File 'lib/server_timing/timing_metric.rb', line 24

def description_to_header
  return unless description
  "desc='#{description}';"
end

#to_header ⇒ Object 



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# File 'lib/server_timing/timing_metric.rb', line 20

def to_header
  "#{name}; dur=#{duration.to_d.truncate(2).to_f}; #{description_to_header}"
end