class Metrics::Statistics::UniformSample

Public Class Methods

new(size = 1028) click to toggle source
# File lib/ruby-metrics/statistics/uniform_sample.rb, line 4
def initialize(size = 1028)
  @values = Array.new(size)
  @size = size
  clear
end

Public Instance Methods

clear() click to toggle source
# File lib/ruby-metrics/statistics/uniform_sample.rb, line 10
def clear
  (0...@values.size).each do |i|
    @values[i] = 0
  end
  @count = 0
end
size() click to toggle source
# File lib/ruby-metrics/statistics/uniform_sample.rb, line 17
def size
  @values.size
end
update(value) click to toggle source
# File lib/ruby-metrics/statistics/uniform_sample.rb, line 21
def update(value)
  if @count < @values.length
    @values[@count] = value
    @count += 1
  else
    index = rand(@size) % @count
    @values[index] = value
  end
end
values() click to toggle source
# File lib/ruby-metrics/statistics/uniform_sample.rb, line 31
def values
  @values.dup
end