Class: Nanoc::Telemetry::Summary
- Inherits:
-
Object
- Object
- Nanoc::Telemetry::Summary
show all
- Defined in:
- lib/nanoc/telemetry/summary.rb
Defined Under Namespace
Classes: EmptySummaryError
Instance Method Summary
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Constructor Details
Returns a new instance of Summary
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# File 'lib/nanoc/telemetry/summary.rb', line 11
def initialize
@values = []
end
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Instance Method Details
#avg ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 29
def avg
sum / count
end
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#count ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 20
def count
@values.size
end
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#max ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 37
def max
quantile(1.0)
end
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#min ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 33
def min
quantile(0.0)
end
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#observe(value) ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 15
def observe(value)
@values << value
@sorted_values = nil
end
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#quantile(fraction) ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 41
def quantile(fraction)
raise EmptySummaryError if @values.empty?
target = (@values.size - 1) * fraction.to_f
interp = target % 1.0
sorted_values[target.floor] * (1.0 - interp) + sorted_values[target.ceil] * interp
end
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#sum ⇒ Object
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# File 'lib/nanoc/telemetry/summary.rb', line 24
def sum
raise EmptySummaryError if @values.empty?
@values.reduce(:+)
end
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